304/316/321 BA (Bright Annealed) Stainless Steel Coiled Tubes,for Heat Exchanger Applications

• Customization: Available
• Application: Automotive Industry, Chemical Industry, Food Industry, Oil and Gas Industry, Pharmaceutical Industry
• Certification: ISO9001
• Model NO.: GH-379
• Length: Max. 800meter Per Coi
• Material: 304 Stainless Steel
• Outer Diameter: 3/16"-1 1/4 "(4.76mm-31.8mm)
• Type: Seamless Pipe
• Wall Thickness: 0.028"-0.083"(0.7mm-2.11mm).
• Test: HT/ET/UT
• Delivery Time: Stock 7 Days; MTO 30 Days
• Trade Terms: EXW, Fob, CFR, CIF etc.
• Markings: According to A999/A999m
• State: Soft
• Transport Package: Packed in Bundles or Plywooden Box
• Specification: BA Coiled Tube
• Trademark: GH-STEEL
• Origin: China
• HS Code: 7304419000
• Production Capacity: 2000ton Per Month
• Package Size: 1500.00cm * 110.00cm * 110.00cm
• Package Gross Weight: 300.000kg

Product Description

Product Description

Description of goods:	304/316/321 BA (Bright Annealed) Stainless Steel Coiled Tubes,for Heat Exchanger Applications Stainless Steel Seamless Coiled Tube / Tubing
Outer diameter:	3/16" - 1 1/4"  (4.76-31.8mm)
Wall thickness :	0.028"-0.083" (0.7mm-2.11mm)
Length:	The weight of a single coil of stainless steel seamless coiled tubes ranges from 80 kg to 100 kg, depending on outer diameter and wall thickness. Longer seamless coiled tubes are more expensive, with the most cost-effective option being coils under 28 kg. The length of stainless steel seamless coiled tubes is calculated based on required dimensions using the theoretical weight formula. These coils have no weld points. Multiple coils can be butt-welded to create super-long tubes several thousand meters in length.
Standard:	ASTM A213/ ASME SA213, ASTM A269/ASME SA269, EN10216-5, etc.
Delivery Condition:	Bright Annealing
Hardness:	Soft annealed max. 90 HRB
Specification Tolerance:	±10 μm
Testing:	100% tested at the appropriate pressure stated under water/air.
Marking:	GH-STEEL, TP304 SMLS BA  ASTM A269  9.53  × 0.89 MM HEAT NO.
Package:	Wooden drums or spools, metal reels, wooden boxes,Woven bag, wooden case, or as per customer's requirement.
Quality Requirement:	Mill Test Certificate (EN 10204/3.1); Third Part Inspection is acceptable.
Application:	The automotive industry, the aircraft/aerospace sector, the instrumentation and electrical field, and the chemical industry, among others.

What is stainless steel coiled tubing?

Advantages of stainless steel coil tubing:

Stainless steel coiled tubing consists of long, continuous lengths of tubing that are wound tightly onto a spool or drum in a coiled configuration, eliminating the requirement for coupling or joining multiple shorter lengths. This approach can reduce installation time and minimize potential leak points. Coiled tubing occupies less storage space compared to straight lengths of tubing. The compact coiled design enables efficient transportation, storage, and handling, especially in scenarios where space is limited.

The traditional method of welding long stick tubing end - to - end or with fittings is a highly labor - intensive procedure. This welding process is time - consuming and costly. In contrast, using coil tubing not only requires a fraction of the time, thereby reducing labor costs, but also enables a much safer and maintenance - free installation. Additionally, coil tubing offers increased corrosion resistance due to the properties of stainless steel, duplex, and nickel alloys. It also provides improved reliability as using fewer mechanical fittings or welds reduces the likelihood of defects such as leaks and other long - term failures. Moreover, it leads to reduced installation labor costs as installing a continuous length of tube takes less time and is more reliable than coupling multiple shorter lengths.

Chemical Composition of ASTM A269 Seamless Coiled Tube/Tubing
Material	Chemical Composition %
	C(max)	Mn(max)	P(max)	S(max)	Si(max)	Cr(max)	Ni	Mo	Ti
TP304	0.080	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0	/	/
TP304L	0.035	2.00	0.045	0.030	1.00	18.0-20.0	8.0-12.0	/	/
TP316	0.080	2.00	0.045	0.030	1.00	16.0-18.0	10.0-14.0	2.00-3.00	/
TP316L	0.035	2.00	0.045	0.030	1.00	16.0-18.0	10.0-15.0	2.00-3.00	/
TP321	0.080	2.00	0.045	0.030	1.00	17.0-19.0	9.0-12.0	/	5x(C+N) -0.70
Mechanical Properties of ASTM A269 Seamless Coiled Tube/Tubing
Material	Heat treatment			Temperure F (C) Min.		Hardness
						Brinell		Rockwell
TP304	Solution			1900 (1040)		192HBW/200HV		90HRB
TP304L	Solution			1900 (1040)		192HBW/200HV		90HRB
TP316	Solution			1900 (1040)		192HBW/200HV		90HRB
TP316L	Solution			1900 (1040)		192HBW/200HV		90HRB
TP321	Solution			1900 (1040)		192HBW/200HV		90HRB

Weight per Meter (kg/m) of Stainless Steel Seamless Coiled Tubes
Outside Diameter		Birmingham wire Gauge Conversion from BWG to mm
		22 BWG	20 BWG	18 BWG	16 BWG	14 BWG	12 BWG	10 BWG
mm	inch	0.71mm	0.89 mm	1.24 mm	1.65 mm	2.11 mm	2.77 mm	3.4 mm
6.35	1/4"	0.1	0.121	0.158	0.193	–	–	–
9.53	3/8"	0.156	0.192	0.256	0.324	0.39	0.466	–
12.7	1/2"	0.212	0.262	0.354	0.454	0.557	0.685	0.788
15.88	5/8"	0.268	0.332	0.452	0.585	0.724	0.905	1.057
19.05	3/4"	0.324	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
Normal Size of Stainless Steel Seamless Coiled Tube
Specification (inch)	Specification (mm)	Specification (inch)	Specification (mm)	Specification (inch)	Specification (mm)	Specification (inch)	Specification (mm)	Specification (inch)	Specification (mm)
3/16" × 0.02”	4.76 × 0.51	3/16" × 0.028”	4.76 × 0.71	3/16" × 0.02”	4.76 × 0.89	3/16" × 0.049”	4.76 × 1.24
6/25" × 0.04”	6 × 1	0.024" × 0.06”	6 × 1.5
1/4" × 0.02”	6.35 × 0.51	1/4" × 0.028”	6.35 × 0.71	1/4" × 0.035”	6.35 × 0.89	1/4" × 0.049”	6.35 × 1.24	1/4" × 0.065”	6.35 × 1.65
5/16" × 0.028”	7.94 × 0.71	5/16" × 0.035”	7.94 × 0.89	5/16" × 0.049”	7.94 × 1.24	5/16" × 0.065”	7.94 × 1.65
3/8" × 0.028”	9.53 × 0.71	3/8" × 0.035”	9.53 × 0.89	3/8" × 0.049”	9.53 × 1.24	3/8" × 0.065”	9.53 × 1.65
2/5" × 0.04”	10 × 1	2/5" × 0.06”	10 × 1.5	2/5" × 0.079”	10 × 2
0.47" × 0.065”	12 × 1	0.047" × 0.06”	12 × 1.5
1/2" × 0.028”	12.7 × 0.71	1/2" × 0.035”	12.7 × 0.89	1/2" × 0.049”	12.7 × 1.24	1/2" × 0.065”	12.7 × 1.65
0.55" × 0.04”	14 × 1	0.55" × 0.06”	14 × 1.5
5/8" × 0.028”	15.88 × 0.71	5/8" × 0.035”	15.88 × 0.89	5/8" × 0.049”	15.88 × 1.24	5/8" × 0.065”	15.88 × 1.65	5/8" × 0.083”	15.88 × 2.11
0.63" × 0.065”	16 × 1	0.63" × 0.06”	16 × 1.5	0.63" × 0.079”	16 × 2
3/4" × 0.04”	19.05 × 1	3/4" × 0.049”	19.05 × 1.24	3/4" × 0.065”	19.05 ×1.65	3/4" × 0.083”	19.05 × 2.11
1" × 0.049”	25.4 × 1.24	1" × 0.0665”	25.4 × 1.65	1" × 0.083”	25.4 × 2.11	1" × 0.1”	25.4 × 2.54

ASTM A269 Standard Dimensional Tolerance for Stainless Steel Seamless Tube
Standard	Outside Diameter Tolerance(mm)		Thickness Tolerance	Length Tolerance
ASTM A269	D<12.7 mm	± 0.13 mm	±15%	+3.2/-0 mm
	> 12.7 mm to 38.1 mm	± 0.13 mm	± 10%	+3.2/-0 mm
	> 38.1 mm to 88.9 mm	± 0.25 mm	± 10%	+4.8/-0 mm
	> 88.9 mm to 139.7 mm	± 0.38 mm	± 10%	+4.8/-0 mm
	> 139.7 mm to 203.2 mm	± 0.76 mm	± 10%	+4.8/-0 mm

Bright annealed  BA Stainless Steel Seamless Coild Tube Tubing

Among the various available diameters of stainless steel coiled tubing, 1/2 inch and 1 inch are the most commonly selected options.

Long-length coiled tubing offers significant advantages over alternative material forms, including:

- Reduced material waste and scrap  
- Lower labor costs  
- Excellent corrosion resistance  
- Minimal maintenance requirements  
- Cost-effective and efficient transportation  
- Fewer welds or mechanical fittings needed  

Furthermore, the installation of coiled stainless steel tubing is faster, safer, and more economical. Compared to joining multiple sections of rigid tubing through welding, a continuous length of seamless coiled tubing requires less time and labor to install. Enhanced system reliability and safety are additional benefits when sourcing coiled tubing from a leading supplier. Utilizing a single, uninterrupted tube eliminates potential leak points and reduces the risk of long-term system failures.

When sourcing stainless steel coiled tubing for manufacturing processes, ensure procurement from a trusted and experienced supplier. Based on your technical specifications, the supplier will recommend the appropriate gauge, diameter, and length to meet your operational needs.

Application of  Bright Annealed (BA) Stainless Steel Coil Tube / Tubing

Bright annealed (BA) stainless steel coil tubing is utilized in high - hygiene, high - purity, and aesthetic applications such as

- Transfer of gases and liquids for heating, cooling, and various industrial purposes  
- Medical equipment systems  
- Solar energy installations  
- Plumbing systems  
- Gas manifolds  
- Steam surface condensers  

This is because it has an exceptionally smooth, clean, and corrosion - resistant surface that prevents contamination and bacterial growth, rendering it ideal for fluid transfer in critical industries. Additionally, it is employed in heat exchangers, automotive, and oil and gas sectors owing to its durability and resistance under harsh conditions.

FAQ

1.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.