Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe

Product Details
Customization: Available
Application: Aviation, Electronics, Industrial, Medical, Chemical
Standard: JIS, GB, DIN, BS, ASTM, AISI, GOST
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  • Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
  • Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
  • Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
  • Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
  • Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
  • Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
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Basic Info.

Model NO.
GH3030
Alloy
Alloy
Type
Nickel Pipe
Powder
Not Powder
Technique
Cold Drawn/Cold Roll
Surface Treatment
Annealed Pickled, Bright Annealed
Section Shape
Round/Hollow
Transport Package
Bundles/Wooden Box
Specification
XH78T GH3030
Trademark
GH-STEEL
Origin
China
HS Code
75052200
Production Capacity
1000ton Per Month

Product Description

Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe

Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / PipeThis grade HN78T XH78T is manufactured with a help of open-type remelt method. This alloy is widely used in industries for manufacturing floating details that are exploited at a temperature range of 1000−1100°C (f. e. in manufacturing of flame tubes, thermocouple cases, combustion chambers etc.) International analogous grades of alloy are marked as 2.4951NiCr20Ti (Germany), GH3030 (PR China). Alloy has main types of mill-products: tube, wire, strip, sheet, rod. Due to high nickel content, it relates to a group of heat-resisting materials. Its main demerit is non-stability to environments that contain sulphur. It causes a brittle behavior. Its oxidation rate is 0,2 mm/h up to a temperature of 1100 °C.

1. Material Steel Grade GH3030  KhN78T  XH78T ЭИ435
Production Process Available in cold rolled and cold drawn
Standard

GBT-15062  GOST9941 

ASTM B829 / ASME SB829
2. Diameter of Seamless Pipe W.T 1mm-10mm
Diameter 20mm thru 630mm
Length 2m-12m, or customer required
3.Heat-treated Condition 

Solution and Aging, Annealing, Ausaging, Q+T, etc

4. Application
  • The Organic chemical process parts contain chloride, especially in the use of acid chloride catalyst.
  • The digester and bleachers use paper pulp and paper making industry.
  • Absorption tower, re-heater, gas import board, fan, blender, fairwater fin, flue, and so on for use in flue gas desulfurization system.
  • The equipment and parts in the use of acidic gas environments.
  • Acetic acid and anhydride reaction generator
  • Sulfur acid cooling
5. Packing *All of our nickel alloy seamless pipes and tubes are packaged according to international standards to prevent any possible damage or loss. By default, we will use thick woven plastic bags to bundle the finished pipes together in batches.
For some special pipes and tubes that are vulnerable to dirt, scratches, stress, or rough handling, we will suggest using wooden cases for protection. Please note that wooden cases may incur extra costs not only for the case itself but also for increased freight costs, especially when using air transportation. To enhance customer experience, we also provide dedicated packaging according to your specific requirements."
6. Delivery Time 1.for ready stock :days after receiving the deposit of T/T
2.For MTO: 35 days after receiving the  deposit of T/T
7. Trade Terms EXW,FOB, CFR, CIF etc.
8. Payment Terms 1.30%T/T in advance, the balance against the B/L copy
2.30%T/T in advance, the balance against the L/C at sight
9. Loading Port Ningbo/Wenzhou/Shanghai
Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe

CHEMICAL COMPOSITION FOR GH3030 XH78T SEAMLESS PIPE 

Alloy Grade   C Si Mn P S Cr Ni Al Ti Fe
GH3030
XH78T
MIN - - -   - 19.0 Balance - 0.15 -
MAX 0.12 0.80 0.70 0.030 0.020 22.0 0.15 0.35 1.50

PHYSICAL CHARACTERISTICS AT THE TEMPERATURE 100 °C
- thermal-expansion coefficient is 12,2 [1/deg]; - module of elasticity is 2,19 MPa;
- heat conduction coefficient or heating capacity of alloy is not more than 14,6 V/(m-deg);
- alloy density is 8, 4 g/cm³. It can insignificantly change at a temperature rising;
- electrical resistivity- 1,1 Ohm-mm2 /m;

MECHANICAL PROPERTIES FOR GH3030 XH78T SEAMLESS PIPE

Alloy Grade Tensile Strength
min,MPa
Elongation
GH3030 / XH78T 785 35%
MECHANICAL PROPERTIES AT T° OF 20°С
- short term limit of lasting-quality is from 590 up to 880 MPa (depending on a type of product). It decreases with a temperature rising;
- for permanent deformation a flow limit changes depending on type of millproducts. It does not exceed 300 MPa; A minimal index at a temperature of 800 °C is 98 MPa. When a temperature is closer to 1100 °C, it rises to 105 MPa; - contraction ratio is not more than 50%;
- heat treatment performs at a temperature of 980 - 1100 °C. There is recommended a method of thermohardening in air or in water.

ASTM B829 STANDARD DIMENSION AND PERMISSIBLE

Permissible Variations
Nominal Outside Diameter, Outside Thickness of Specified Thickness of Specifined
in. (mm) Diameter, in (mm) Average Wall, % Minimum Wall, %
  Plus Minus Plus Minus Plus Minus
Over 0.400(10) to 5/8(16), excl 0.005(0.13) 0.005(0.13) 15 15 30 0
5/8(16) to 1 1/2(38), incl 0.075(0.19) 0.075(0.19) 10 10 22 0
Over 1 1/2(38) to 3 (76), incl 0.010(0.25) 0.010(0.25) 10 10 22 0
Over 3(76) to 4 1/2(114), incl 0.010(0.38) 0.010(0.38) 10 10 22 0
Over 4 1/2(114) to 6(152), incl 0.020(0.51) 0.020(0.51) 12.5 12.5 28 0
Over 6(162) to 6 5/8(168), incl 0.025(0.64) 0.025(0.64) 12.5 12.5 28 0
Over 6 5/8(168) to 8 5/8(219), incl 0.031(0.79) 0.031(0.79) 12.5 12.5 28 0
AOvality -The permissible variations in this table apply to individual measurements, incluluding out-of-roundness (ovality) except for the following: For pipe and tube having a nominal wall thickness of 3% or less of the nominal outside diameter, the mean outside diameter shall conform to the permissible variations of this table and individual measurements (including ovality) shall conform to the plus and minus values of the table, with the values increased by 0.5% of the nominal ouside diameter. For pipe and tube over 4 1/2 in. (114 mm) in outside diameter with a nominal wall thickness greater than 3% of the nominal ouside diameter with a nominal wall thickness greater than 3% of the nominal outside diameter, the mean outside diameter shall conform to the permissible variations of this table and individual measurements shall not exceed twice the permissible variations of the table.BEccentricity - The permissible variations in this table to individual measurements including eccentricity.

Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / PipeNi-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe

Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe

Alloy XH78T GH3030 is used in manufacturing a bar section and detail forging.They work at a temperature that does not exceed 1100 °C. Alloy is widely used in aircraft mechanical engineering, manufacture of engines. Wire of this alloy is in muchrequest when welding nickel alloys in energetic mechanical engineering or when welding metallic constructions made of carbon and stainless steel. While doing this, there must be used electrodes and all-rolled wheels. Welding is performed with a previous heating up to a temperature of 200−300°С and further annealing of seams. 
Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe

Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / PipeNi-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe
 Positive Material Identification (PMI) Guohao Steel can perform PMI testing in house for most stainless steel grades, or we can work with independent labs to complete PMI in order to meet customer specifications.
Testing In some cases, HT/ET/UT testing of the stainless steel pipes may be required. We can assist you with this requirement.
 
Ni-Base Superalloy Tube, High Temperature Alloy Gh3030 Gh30 Xh78t Seamless Tube / Pipe Q1:How many countries you already exported ?
A1:Exported to more than 30 countries mainly from America, Russia, Ukraine, Vietnam, Egypt, Iran, Turkey, Mexico etc.
Q2:How can I get some samples?
A2:Small samples in store and can provide the samples for free. Catalogue is available, most patterns we have ready samples in stock. Customized samples will take about 5-7days.
Q3:Do you have any MOQ limit for stainless steel products order? 
A3: MOQ, 1pc for ready stock of stainless steel seamless pipe. MOQ :1 tons for MTO.
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional. For mass products, ship freight is preferred.
Q5:How does your company do regarding quality control?
A5:Mill Test Certificate is supplied with shipment. If needed, a Third Party Inspection is acceptable or SGS.
Q6: Is it OK to print my logo on products??
A7: Yes. OEM and ODM are available for us.

 

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