ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

US$3,000.00-4,500.00 1 Ton (MOQ)
Product Details
Customization: Available
Type: Stainless Steel Pipes
Standard: ASTM, AISI, GB, DIN, EN, GOST 9941-81
Wenzhou Guohao Steel Co., Ltd

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ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes pictures & photos
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes pictures & photos
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes pictures & photos
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes pictures & photos
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes pictures & photos
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes pictures & photos
  • ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
  • ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
  • ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
  • ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
  • ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
  • ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
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Product Description

Company Info.
Overview

Basic Info.

Model NO.
347H UNS S34709 1.4961
Grade
300 Series
Certification
ISO
Shape
Round
Technique
Cold Rolled
Surface Treatment
Ap/Ba/Polishing/Sand Blasting/Shot Blasting
Material
347H Stainless Steel
Outer Diameter
1/8inch-24inch
Wall Thickness
Sch10s~Sch160
Length
Random Length or Fixed length
Test
Hydraulic Test /Eddy Current Test/Ultrasonic Test
Delivery Time
Stock 7 Days; MTO 30 Days
Trade Terms
EXW, FOB, FCA, CFR, CIF etc.
Markings
ASTM A312 TP347H 168.3x7.11x6000 MM HEAT NO.:
Transport Package
Packed in Bundles or Plywooden Box
Specification
TP347H UNS S34709 1.4961
Trademark
GH-STEEL
Origin
China
HS Code
7304419000
Production Capacity
2000ton Per Month

Product Description


Product Description

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

Material Standard Grade
Stainless Steel ASTM A312  TP304,TP304L,TP304H,TP316,TP316L,316Ti,TP316H,
TP317, TP317L, TP321,TP321H, TP310S, TP347H,
S31254(254SMO),S30815(253MA),N08904(904L)
ASTM A213 TP304,TP304L,TP304H,TP316,TP316L,316Ti,TP316H,
TP317, TP317L, TP321,TP321H, TP310S, TP347H,
S31254(254SMO),S30815(253MA),N08904(904L)
ASTM A269 TP304,TP304L,TP304H,TP316,TP316L,316Ti,TP316H,
TP317, TP317L, TP321,TP321H, TP310S, TP347H,
S31254(254SMO),S30815(253MA),N08904(904L)
GOST 9941 08х18н10т,12х18н10т(AISI 321), 10х17н13м2т(AISI 316Ti), 20х23н18(AISI 310S), 06хн28мдт(AISI 904L), 08х18н10(AISI304)
Duplex Steel ASTM A789 S31803,S32205,S32750, S32760
ASTM A790 S31803,S32205,S32750, S32760
Specification D(Outer Diameter) 6mm-630mm
1/8inch-24inch
T(Wall Thickness) 0.89mm-40mm
SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS
10 BWG, 12 BWG, 14 BWG , 16 BWG, 18 BWG, 20 BWG
10 SWG, 12 SWG, 14 SWG , 16 SWG, 18 SWG, 20 SWG
L(Length) Random length 5~7m
Fixed length 6m /6.096m /6.1m/12m or as customer's actual request
Surface Annealing&Pickling
Polishing (180#,240#,320#,400#,600#)
Bright Annealing
Sand Blasting
Shot Blasting / Shot Peening
Pipe End Plain End (PE)
Beveled End (BE)
Markings GH-STEEL S.S SMLS TUBE  ASTM A213 TP347H  20x2x6000 MM HEAT NO.***********
Flattening Test For material heat treated in a continuous furnace flattening tests shall be made on a sufficient number of pipes to constitute 5% of the lot, but in no case less than 2 lengths of pipe.
Hydraulic Test or Nondestructive Test Each pipe shall be subjected to the Nondestructive Test or the hydraulic test
Value Added Services Customize Length
Bending
Polishing
Shot Blasting
Drilling/Punching
Oil Degreasing
Print Colour Code
Delivery Time For ready stock :7 days after receiving the deposit of T/T
For MTO: 35 days after receiving the  deposit of T/T
Trade Terms EXW,FOB,FCA, CFR, CIF etc.
Loading Port Ningbo/Wenzhou/Shanghai
Remittance method TT/LC/DP
Product Parameters

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless PipesASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

TP347H  is a modified version of TP347 with the addition of higher carbon content and an increased amount of niobium. This modification improves the high-temperature strength and corrosion resistance of the steel.
 

TP347H is a stabilized austenitic stainless steel that is used in reheaters, heat exchangers, and superheaters. It is a corrosion-resistant material with a high creep strength. The high carbon content of TP347H gives it extra toughness. The chemical composition of TP347H includes: Silicon, Chromium, Nickel, Columbium +Tantalum.TP347H has been used as the material of tubes in 600°C USC power plants in China. It can be easily elongated by 40%.

Grade UNS Composition, %
Design C Mn P S Si Cr Ni Nb
TP347 S34700 ≤0.08 2.00 0.045 0.030  1.00  17.0-19 9.0-13 10xC-1.00
TP347H S34709 0.04 - 0.1 2.00 0.045 0.030  1.00  17.0-19 9.0-13 8xC-1.00

 

Grade UNS Heat Treat Type Austenitizing/ Solutioning Temperature,
min or range °F [°C]		 Cooling Media ASTM Grain Size
No. B
Designation
TP347 S34700 Solution treatment 1900 °F [1040 °C] water or another rapid cool . . .
TP347H S34709 Solution treatment cold worked:2000 water or another rapid cool 7
[1100] hot rolled: 1925 [1050]H
 
Grade UNS Tensile Strength, Min ksi [MPa] Yield strength, min ksi [MPa] Elongation in 2 in. or 50 mm,
min, %A, B		 Hardness, Max
Designation Brinell/Vickers Rockwell
TP347 S34700 75 [515] 30 [205] 35 192HBW/200Hv 90HB
TP347H S34709 75 [515] 30 [205] 35 192HBW/200Hv 90HB
Chemical Composition and Mechanical Properties of Available Stainless Steel Materials for Seamless Tubes and Pipes
Chemical Composition (%) Mechanical Performance
Grade C Mn P S Si Cr Ni Mo N Ti Others Tensile
strength
Mpa(min)		 Yield
strength
Mpa(min)		 Elongation.
(%) em 2"
(min)		 Hardness
HRB(max)
(AISI) (max) (max) (max) (max) (max) (min) (min) (min) (min) (min)
(max) (max) (max) (max) (max)
304 0,080 2,0 0,045 0,030 1,00 18,0 8,0 - - - - 515 205 35 90
20,0 11,0
304L 0,035 2,00 0,045 0,030 1,00 18,0 8,0 - - - - 485 170 35 90
20,0 13,0
304H 0,040 2,00 0,045 0,030 1,00 18,0 8,0 - - - - 515 205 35 90
0,100 20,0 11,0
309S 0,080 2,00 0,045 0,030 1,00 22,0 12,0 0,75 - - - 515 205 35 90
24,0 15,0
310 0,150 2,00 0,045 0,030 1,00 24,0 19,0 - - - - 515 205 35 90
26,0 22,0
310S 0,080 2,00 0,045 0,030 1,00 24,0 19,0 0,75 - - - 515 205 35 90
26,0 22,0
310H 0,040 2,00 0,045 0,030 1,00 24,0 19,0 - - -   515 205 35 90
0,100 26,0 22,0
314 0,200 2,00 0,045 0,015 1,50 24,0 19,0 - 0,11 - - 515 205 35 90
2,50 26,0 22,0
316 0,080 2,00 0,045 0,030 1,00 16,0 11,0 2,0 - - - 515 205 35 90
18,0 14,0 3,0
316H 0,040 2,00 0,045 0,030 1,00 16,0 11,0 2,0 - - - 515 205 35 90
0,100 18,0 14,0 3,0
316L 0,035 2,00 0,045 0,030 1,00 16,0 10,0 2,0 - - - 485 170 35 90
18,0 14,0 3,0
316Ti 0,080 2,00 0,045 0,030 0,75 16,0 10,0 2,0 0,10 5x(C+N) - 515 205 35 90
18,0 14,0 3,0 0,70
317L 0,035 2,00 0,045 0,030 1,00 18,0 11,0 3,0 - - - 515 205 35 90
20,0 15,0 4,0
321 0,080 2,00 0,045 0,030 1,00 17,0 9,0 - 0,10 5x(C+N) - 515 205 35 90
19,0 12,0 0,70
321H 0,040 2,00 0,045 0,030 1,00 17,0 9,0 - 0,10 4x(C+N) - 515 205 30 90
0,100 19,0 12,0 0,70
347 0,080 2,00 0,045 0,030 1,00 17,0 9,0 - - - Nb:
10xC-1,0		 515 205 35 90
19,0 13,0
347H 0,040 2,00 0,045 0,030 1,00 17,0 9,0 - - - Nb:
8xC-1,0		 515 205 35 90
0,100 19,0 13,0
254SMO
S31254		 0,020 1,00 0,030 0,030 0,08 19,5 17,50 6,0 0,18 - Cu:
0,5-1,0		 675
(T≤5mm)		 315
(T≤5mm)		 35 90
20,5 18,50 6,5 0,25 655
(T>5mm)		 310
(T>5mm)
253MA
S30815		 0,05 0,80 0,040 0,030 1,40 20,0 10,0 - 0,14 - Ce:
0,03-0,08		 600 310 40 95
0,100 2,00 22,0 12,0 0,20
904L
N08904		 0,020 2,00 0,040 0,030 1,00 19,0 23,0 4,0 0,10 - Cu:
1,0-2,0		 490 215 35 90
23,0 28,0 5,0
S31803 0,030 2,00 0,030 0,020 1,00 21,0 4,5 2,5 0,080 - - 620 450 25 HRC 30
23,0 6,5 3,5 0,20
S32205 0,030 2,00 0,030 0,020 1,00 22,0 4,5 3,0 0,14 - - 655 485 25 HRC 30
23,0 6,5 3,5 0,20
S32750 0,030 1,20 0,035 0,020 0,80 24,0 6,0 3,0 0,24 - Cu:≤0,5 800 550 15 HRC 34
26,0 8,0 5,0 0,32
S32760 0,030 1,00 0,030 0,010 1,00 24,0 6,0 3,0 0,20 - Cu:0,5-1,0 750 550 25 HRC 32
26,0 8,0 4,0 0,30 W:0,5-1,0
Grade Material number C
(max)		 Si
(max)		 Mn
(max)		 P
(max)		 S
(max)		 N
(max)		 Cr Mo Ni Ti Nb
X5CrNi18-10 1.4301 0.070  1.00  2.00  0.045 0.015 0.11 17.00-19.50   8.00-10.50    
X2CrNi19-11 1.4306 0.030  1.00  2.00  0.045 0.015 0.11 18.00-20.00   10.00-12.00    
X2CrNiN18-10 1.4311 0.030  1.00  2.00  0.045 0.015 0.12-0.22 17.00-19.50   8.50-11.50    
X6CrNiTi18-10 1.4541 0.080  1.00  2.00  0.045 0.015   17.00-19.00   9.00-12.00 5×C-0.70  
X6CrNiNb18-10 1.4550 0.080  1.00  2.00  0.045 0.015   17.00-19.00   9.00-12.00   10×C-1.00
X5CrNiMo17-12-2 1.4401 0.070  1.00  2.00  0.045 0.015 0.11 16.50-18.50 2.00-2.50 10.00-13.00    
X2CrNiMo17-12-2 1.4404 0.030  1.00  2.00  0.045 0.015 0.11 16.50-18.50 2.00-2.50 10.00-13.00    
X6CrNiMoTi17-12-2 1.4571 0.080  1.00  2.00  0.045 0.015   16.50-18.50 2.00-2.50 10.50-13.50 5×C-0.70  
X2CrNiMoN17-13-3 1.4429 0.030  1.00  2.00  0.045 0.015 0.12-0.22 16.50-18.50 2.50-3.00 11.00-14.00    
X2CrNiMo18-14-3 1.4435 0.030  1.00  2.00  0.045 0.015 0.11 17.00-19.00 2.50-3.00 12.50-15.00    
X3CrNiMo17-13-3 1.4436 0.050  1.00  2.00  0.045 0.015 0.11 16.50-18.50 2.50-3.00 10.50-13.00    
X2CrNiMoN17-13-5 1.4439 0.030  1.00  2.00  0.045 0.015 0.12-0.22 16.50-18.50 4.00-5.00 12.50-14.50    
ANSI/ASME B36.10M B36.19M Dimension Comparison Table For Stainless Steel Seamless Tube Pipe
Outside Diameter Wall Thicknesses Schedule ANSI/ASME B36.10M,B36.19M
DN(in) D(mm) SCH
5S		 SCH
10S		 SCH
10		 SCH
20		 SCH
30		 SCH
40S		 SCH
STD		 SCH
40		 SCH
60		 SCH
80s		 SCH
XS		 SCH
80		 SCH
100		 SCH
120		 SCH
140		 SCH
160		 SCH
XXS
1/8" 10.3 - 1.24 - - - 1.73 1.73 1.73 - 2.41 2.41 2.41 - - - - -
1/4" 13.7 - 1.65 - - - 2.24 2.24 2.24 - 3.02 3.02 3.02 - - - - -
3/8" 17.1 - 1.65 - - - 2.31 2.31 2.31 - 3.2 3.2 3.2 - - - - -
1/2" 21.3 1.65 2.11 - - - 2.77 2.77 2.77 - 3.73 3.73 3.73 - - - 4.78 7.47
3/4" 26.7 1.65 2.11 - - - 2.87 2.87 2.87 - 3.91 3.91 3.91 - - - 5.56 7.82
1" 33.4 1.65 2.77 - - - 3.38 3.38 3.38 - 4.55 4.55 4.55 - - - 6.35 9.09
1-1/4" 42.2 1.65 2.77 - - - 3.56 3.56 3.56 - 4.85 4.85 4.85 - - - 6.35 9.7
1-1/2" 48.3 1.65 2.77 - - - 3.68 3.68 3.68 - 5.08 5.08 5.08 - - - 7.14 10.15
2" 60.3 1.65 2.77 - - - 3.91 3.91 3.91 - 5.54 5.54 5.54 - - - 8.74 11.07
2-1/2" 73 2.11 3.05 - - - 5.16 5.16 5.16 - 7.01 7.01 7.01 - - - 9.53 14.02
3" 88.9 2.11 3.05 - - - 5.49 5.49 5.49 - 7.62 7.62 7.62 - - - 11.13 15.24
3-1/2" 101.6 2.11 3.05 - - - 5.74 5.74 5.74 - 8.08 8.08 8.08 - - - - -
4" 114.3 2.11 3.05 - - - 6.02 6.02 6.02 - 8.56 8.56 8.56 - 11.13 - 13.49 17.12
5" 141.3 2.77 3.4 - - - 6.55 6.55 6.55 - 9.53 9.53 9.53 - 12.7 - 15.88 19.05
6" 168.3 2.77 3.4 - - - 7.11 7.11 7.11 - 10.97 10.97 10.97 - 14.27 - 18.26 21.95
8" 219.1 2.77 3.76 - - 7.04 8.18 8.18 8.18 10.31 12.7 12.7 12.7 15.09 18.26 20.62 23.01 22.23
10" 273.1 3.4 4.19 - 6.35 7.8 9.27 9.27 9.27 12.7 12.7 12.7 15.09 18.26 25.4 28.58 25.4 -
12" 323.9 3.96 4.57 - 6.35 8.38 9.53 9.53 10.31 14.27 12.7 12.7 17.48 21.44 25.4 28.58 33.32 25.4
14" 355.6 3.96 4.78 6.35 7.92 9.53 - 9.53 11.13 15.09 - 12.7 19.05 23.83 27.79 31.75 35.71 -
16" 406.4 4.19 4.78 6.35 7.92 9.53 - 9.53 12.7 16.66 - 12.7 21.44 26.19 30.96 36.53 40.49 -
18" 457.2 4.19 4.78 6.35 7.92 11.13 - 9.53 14.27 19.05 - 12.7 23.83 29.36 34.93 39.67 45.24 -
20" 508 4.78 5.54 6.35 9.53 12.7 - 9.53 15.09 20.62 - 12.7 26.19 32.54 38.1 44.45 50.01 -
22" 558.8 4.78 5.54 6.35 9.53 12.7 - 9.53 - 22.23 - 12.7 28.58 34.93 41.28 47.63 53.98 -
24" 609.6 5.54 6.35 6.35 9.53 14.27 - 9.53 17.48 24.61 - 12.7 30.96 38.89 46.02 52.37 59.54 -
BWG Gauge Weight Chart for Tube Wall thickness (Heat Exchanger Tube & Condensers Tube & Boilier Tube)
Outside Diameter Stainless Steel Tube Weight (kg/m)
Birmingham wire Gauge Conversion from BWG to mm
20 BWG 18 BWG 16 BWG 14 BWG 12 BWG 10 BWG
mm inch 0.89 mm 1.24 mm 1.65 mm 2.11 mm 2.77 mm 3.4 mm
6.35  1/4 0.121 0.158 0.193 - - -
9.53  3/8 0.192 0.256 0.324 0.39 0.466 -
12.7  1/2 0.262 0.354 0.454 0.557 0.685 0.788
15.88  5/8 0.332 0.452 0.585 0.724 0.905 1.057
19.05  3/4 0.403 0.55 0.715 0.89 1.123 1.325
25.4 1     0.543 0.746 0.976 1.224 1.561 1.863
31.75 1 1/4 0.684 0.942 1.237 1.558 2 2.401
38.1 1 1/2 - 1.139 1.498 1.892 2.438 2.939
44.5 1 3/4 - 1.336 1.761 2.228 2.879 3.481
50.8 2     - 1.531 2.02 2.559 3.314 4.014
63.5 2 1/2 - - 2.542 3.227 4.19 5.09
76.2 3     - - 3.064 3.894 5.067 6.166
88.9 3 1/2 - - 3.586 4.562 5.943 7.241
101.6 4     - - 4.108 5.229 6.819 8.317
114.3 4 1/2 - - - 5.897 7.696 9.393
 
Summary Standards
Standard Specification For Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes ASTM A213
Standard Specification For Seamless and Welded Austenitic Stainless Steel Tubing for General Service ASTM A269
Standard Specification For Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes ASTM A312
Standard Specification For Seamless Stainless Steel Mechanical Tubing ASTM A511
Standard Specification For Seamless Stainless Steel Tube for Pressure purposes EN 10216-5
Standard Specification For Seamless Stainless Steel Tubes,cold and hot finished GOST9941-81
Permissible Variations in Dimensions of Stainless Steel Seamless Tubes and Pipe
Standard Outside Diameter Tolerance(mm) Thickness Tolerance Length Tolerance (mm)
ASTM A213 D<25.4 ±0.1 D≤38.1 +20%/-0% D≤50.80 +3/-0
[25.4~38.1] ±0.15
(38.1~50.8) ±0.2 D>38.1 +22%/-0% D>50.8 +5/-0
[50.8~63.5) ±0.25
[63.5~76.2) ±0.30
[76.2~101.6] ±0.38
(101.6~190.5] +0.38/-0.64
(190.5~228.6] +0.38/-1.14
ASTM A312
A790		 [10.29~48.26] +0.4/-0.8 10.3~73 +20% / -12.5% +6/-0
88.9~457 T/D≤5% +22.5%/-12.5%
(48.26~114.30] ±0.80 88.9~457 T/D>5% +15%/-12.5%
(114.30~219.08] +1.6/-0.8 508above T/D<5% +22.5%/-12.5%
(219.08~457.20] +2.4/-0.8 508above T/D>5% +15%/-12.5%
ASTM A269
A789		 D<12.7 ±0.13 ±15% +3/-0
(12.7~38.1] ±0.13 ±10%
[38.1~88.9) ±0.25 +5/-0
[88.9~139.7) ±0.38
[139.7~203.2) ±0.76
ASTM A270 <25.40 ±0.13 ±12.5% +3/-0
(25.4~50.8] ±0.20
(50.8~76.2] ±0.25
(76.2~101.6] ±0.38
(101.6~139.7] ±0.38 +5/-0
(139.7~203.2] ±0.75%
(203.2~304.8] ±1.25%
EN10216-5 D3 ±0.75%/±0.30 T3 ±10%/ ±0.20mm L≤6m +5/-0
D4 ±0.5%/±0.10 T4 ±7.5% / ±0.15mm ≥6~12m +10/-0
ГОСТ 9941-2022
(except 06ХН28МДТ)		 D<10 Normal:±0.30 T<0.3 Normal:±0.05 mm +15/-0
High:±0.03 mm
High:±0.20 (0.3~0.4] Normal:±0.07 mm
High:±0.05 mm
Higher:±0.15 (0.4~0.6] Normal:±0.10 mm
High:±0.07 mm
(10~30] Normal:±0.40 (0.6~1.0] Normal:±0.15 mm
High:±0.10 mm
High:±0.30 (1~3]
D/S <40		 Normal:+12.5%/-15%
High:±12.5%
Higher:±0.20 Higher:+12.5%/-10%
(1~3]
D/S  >40		 Higher:±15%
(30~95] Normal:±1.2% Normal:+12.5%/-15%
High:±1% (3~7]
D/S <40		 Normal:±12.5%
Higher:±0.8% High:+12.5%/-10%
D>95 
D/S <40		 Normal:±1.2% Higher:±10%
High:±1% (3~7]
D/S >40		 Normal:+12.5%/-15%
Higher:±0.8% High:±12.5%
D>95 
D/S >40		 Normal:±1.5% T>7
D<325		 Normal:+12.5%/-10%
High:±1.2% High:±10%
Higher:±1.0% T>7
D>325		 Normal:+12.5%/-15%
  High:±12.5%
Packaging & Shipping

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless PipesASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
  1. All of our stainless steel seamless pipe & tubes are packaged as per international standard to prevent any possible damage or loss. By default, we will use thick woven plastic bag to bundle the finished pipes together in batches.
  2. For some special pipes & tubes that are vulnerable to dirt, scratches, stress or rough handling, we will suggest wooden case for protection. Kindly note, wooden case can incur extra cost, not only its own cost, but also the increased freight cost, which is especially true for air transportation.
  3. For enhanced customer experience, we also provide dedicated package as per your special requirements.
 
Certifications

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
Our company Guohao Steel welcomes inspections conducted by customers directly or through their designated third-party inspection agencies, such as SGS, BV, TUV, DNV, and other industry-recognized organizations.

We provide Manufacturer TC (Test Certificate) in accordance with EN 10204/3.1, Raw Materials Certificate, HT/DNT Test Reports, and Third-Party Inspection Reports.

Material Testing: All materials undergo rigorous quality testing procedures prior to shipment to ensure compliance with required standards and customer specifications.
1. Mechanical Testing
2. Hardness Test
3. Chemical Analysis - Spectro Analysis
4. Positive Material Identification - PMI Testing
5. Flattening Test
6. Flaring Test
7.Intergranular Corrosion (IGC) Test

 

PRODUCT APPLICATION

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless PipesASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

Company Profile
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
Wenzhou Guohao Steel was established in 2008. We are ISO 9001:2015 approved manufacturer, having a state-of-the-art infrastructure facility for having smooth production process. It has successfully grown by focusing on serving customers across a range of high technology industries. One of our company strengths is its people, with many colleagues having been with the company from the beginning. This provides our customers with the benefit of a wealth of experience and industry knowledge. Guohao Steel now has the whole of manufactured stainless steel products to add to its already large range of High Performance Nickel Alloys.
Guohao Steel adhere to the high standards of integrity and compliance required, including:
  1. Environmental standards
  2. Health and safety standards
  3. Ethical trading standards
  4. Export compliance requirements
We now stock and have direct access to a wide range of other materials, including stainless steels and nickel alloys. We supply and process pipes for numerous key industry sectors, collaborating with both small businesses and large international manufacturers across various countries. Due to our reputation for quality, reliability, and industry approvals, we are a well-regarded supplier in diverse sectors. Our delivery of long-term tangible benefits enables our customers to compete in today's challenging global marketplace.
In order to achieve our goals, we are improving our facilities and expanding our machinery to offer broader processing capabilities. Additionally, our investment extends to the growth and development of our teams, which represent our most valuable resource. We aim for our customers to receive the best experience and trust in the expertise, knowledge, and experience of our teams. As we continue looking towards the future, we rely on our core values to guide both decisions and actions.
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes
ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

 
Our Advantages

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless PipesASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless PipesASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes

  1. More than 16 Years of Experience in Stainless Steel Production.
  2. Provides cost-effective products and professional services to you.
  3. We offer an extensive range of stainless steel, super duplex steel,nickel alloy.
FAQ

ASME SA312 TP 347H UNS S34709 1.4961 Stainless Steel Seamless Pipes1.Q: Do you provide customized product services?
A: Of course, we can design and produce the products you need based on your specifications and drawings. For example: special dimensions, special controls, OEM, etc.

2.Q: Are you a manufacturer or trader?
A: We are manufacturers. We have our own factory to produce and process various kinds of stainless steel /nickel alloy pipes.

3.Q: Can we get the some samples?Is there a charge?
A: Yes, we will provide you with the samples you want. The samples are free of charge, but the customer may have to pay the freight.

4.Q: Can we visit your factory?
A: Of course, we welcome you to visit our factory on-site or visit our production line through online videos to learn more about our strength and quality. Once we have your schedule, we will arrange a professional sales team to follow up with you.

5.Q: How do you ensure the quality of the product?
A: All products must undergo three inspections throughout the entire manufacturing process, including production, cutting, and packaging. The factory inspection report is provided with the goods. If necessary, third-party inspections such as SGS can be accepted.

6.Q: What is your delivery time?
A: Different products and procurement quantities have different delivery times. The product will be delivered as soon as possible on the basis of quality assurance. Usually, if the goods are in stock, it takes 3-10 days. Alternatively, if the goods are out of stock, it will take 25 to 45 days.

7.Q: Can you arrange shipment?
A: Of course, we have freight forwarders who have been cooperating for many years. We are VIP and can provide you with the most favorable prices and professional services.

8.Q: What if I don't have import experience?
A: We have rich export experience. As long as you have an import license, please leave the rest to us! We will help you choose the most suitable transportation service to safely and accurately deliver the product to the place where it is needed.

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