Wholesale ASTM A312 Stainless Steel 201 Welded Pipe Suppliers, Factory

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Wholesale ASTM A312 Stainless Steel 201 Welded Pipe Suppliers, Factory

Stianless Steel Pipe /TUBE 1. : Grade :201 202 304 304l 316 316l 409 409H 410 430 etc 2. Standard:ASTM DIN JIS AISI GB 3.Surface: 2B BA NO.4 Mirror 320# 380# 400#600# 800# 4.Length :6M 11.5 M 12M or As Per your requirment. 5.OD :Round Tube 9.52-219MM Retangle :10*10-150-150 6.Inner packing :Plastic Bag 7.Outer Packing: Carton /Woven/Wooden Packaging 8.Od:+/- 0.2mm, Thickness: +/- 0.02mm

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Product Description

ASTM A312 Stainless Steel 201 Welded Pipe

ASTM A312 welded pipes Suppliers, Stainless Steel Welded Pipes Manufacturer, Stainless Steel ERW Pipes Stockholder, SS ERW Pipes Exporter.

ERW Pipes are being found in widespread range of applications such as in Petrochemical, Chemical, oil & Gas, Refinery, Fertilizer, Automotive, Bearing, Power, Structural Mechanical applications.

We provide these welded pipes in different grades, thickness and sizes as per tailored needs given by our customers.

⚙ Stainless Steel Coil Products

stainless steel coil tube
stainless steel tube coil
stainless steel coil tubing
stainless steel coil pipe
stainless steel coil tube suppliers
stainless steel coil tube manufacturers
stainless steel pipe coil

📋 Types of Stainless Steel Welded Pipes

201 Stainless steel welded pipe
DIN 201 Stainless Steel Welded Pipe
Stainless Steel ERW Pipes
201 SS ERW Pipes

201 AISI SS Welded Pipes
201 ASME SS ERW Pipes
201 Stainless Steel Welded Pipes
201 ASTM A312 Stainless Steel Welded pipe

🔧 ASTM A312 Stainless Steel 201 Welded Pipe Specification

Item stainless steel welded polishing pipe

Type Welded, EFW, ERW

Standard ASTM A312 / ASTM SA312

Grade 201, 202, 304, 304L, 316, 316L, 409, 430, etc

Size (Round pipe) OD 8-219mm

Size (Square Pipe) OD 10x10mm -150x150mm

Size (Rectangle Pipe) 10x20mm to 120x180mm

Thickness 0.2-12.7.0mm

Pipe surface 180G, 320G, 400G, 500G, 600G, Satin, hairline, 2B, BA, mirror, 8K

Pipe length 5.8m, 6M, 11.85M, 12m

End Plain End ,Beveled End

🚀 Applications

Decoration usage: road, bridge handrail, railing, bus stop, airport and gym
Construction and ornament: structural reinforcement and building components
Industry area: petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear

📊 Steel Tube Dimensions

Square Steel Tube (mm)	Rectangular Steel Tube (mm)	Round Steel Tube (mm)
10×10×0.6~3.0	10×20×0.6~3.0	6x0.6~1.0
15×15×0.6~3.0	20×30×0.6~3.0	12x0.6~1.5
20×20×0.6~3.0	20×40×0.6~3.0	13x0.6~1.5
25×25×0.6~3.0	25×50×0.6~3.5	16x0.6~2.0
30×30×0.6~3.5	30×50×0.6~3.5	19x0.6~3.0
40×40×0.6~3.5	40×60×0.6~3.5	20x0.6~3.0
50×50×0.6~3.5	40×80×0.6~3.5	22x0.6~3.0
60×60×0.6~3.5	60×80×1.0~6.0	25x0.6~3.0
70×70×0.6~3.5	50×100×1.0~6.0	27x0.6~3.0
75×75×0.6~3.5	60×120×1.0~6.0	32x0.6~3.0
80×80×1.0~6.0	80×120×2.0~8.0	40x0.6~3.5
100×100×2.0~8.0	80×160×2.0~8.0	38x0.6~3.0
120×120×2.0~8.0	100×150×2.0~8.0	48x0.6~3.5
150×150×2.0~8.0	100×200×2.0~8.0	60x0.6~3.5
200×200×4.0~16.0	150×250×4.0~12.0	76x0.6~3.5
250×250×4.0~16.0	200×300×4.0~16.0	89x1.0~6.0
300×300×4.0~16.0	300×400×4.0~16.0	104x1.0~6.0
400×400×4.0~16.0	300×500×4.0~16.0	114x1.0~6.0

📊 Physical Properties & Chemical Composition

Grade	C, max	Mn, max	P, max	S, max	Si, max	Nickel	Chromium	Molybdenum	Titanium	Columbium + Tantalum
Austenitic Grades
301	0.15	2.00	0.040	0.030	1.00	6.0–8.0	16.0–18.0	...	...	...
302	0.15	2.00	0.040	0.030	1.00	8.0–10.0	17.0–19.0	...	...	...
304	0.08	2.00	0.040	0.030	1.00	8.0–11.0	18.0–20.0	...	...	...
304L	0.035A	2.00	0.040	0.030	1.00	8.0–13.0	18.0–20.0	...	...	...
305	0.12	2.00	0.040	0.030	1.00	10.0–13.0	17.0–19.0	...	...	...
309S	0.08	2.00	0.040	0.030	1.00	12.0–15.0	22.0–24.0	...	...	. . .
309S-Cb	0.08	2.00	0.040	0.030	1.00	12.0–15.0	22.0–24.0	...	...	B
310S	0.08	2.00	0.040	0.030	1.00	19.0–22.0	24.0–26.0	...	...	...
316	0.08	2.00	0.040	0.030	1.00	10.0–14.0	16.0–18.0	2.0–3.0	...	...
316L	0.035A	2.00	0.040	0.030	1.00	10.0–15.0	16.0–18.0	2.0–3.0	...	...
317	0.08	2.00	0.040	0.030	1.00	11.0–14.0	18.0–20.0	3.0–4.0	...	...
321	0.08	2.00	0.040	0.030	1.00	9.0–13.0	17.0–20.0	...	C	...
330	0.15	2.00	0.040	0.030	1.00	33.0–36.0	14.0–16.0	...	...	...
347	0.08	2.00	0.040	0.030	1.00	9.0–13.0	17.0–20.0	...	...	B
429	0.12	1.00	0.040	0.030	1.00	0.50 max	14.0–16.0	...	...	...
430	0.12	1.00	0.040	0.030	1.00	0.50 max	16.0–18.0	...	...	...
430-Ti	0.10	1.00	0.040	0.030	1.00	0.075 max	16.0–19.5	...	5 × C min	...

🗺 Stainless steel coiled tubing / coiled tubes material grade:

AISI (U.S.A.)	DIN 17006 (GERMANY)	W.N. 17007 (GERMANY)	AFNOR (FRANCE)	JIS (JAPAN)	UNI (ITALY)	SIS (SWEDEN)	BSI (U.K.)	EURONORM (E.U.)	RUSSIA
201	-	-	-	SUS 201	-	-	-	-	-
301	X 12 CrNi 17 7	1.4310	Z 12 CN 17-07	SUS 301	X 12 CrNi 1707	23 31	301S21	X 12 CrNi 17 7	-
302	X 5 CrNi 18 7	1.4319	Z 10 CN 18-09	SUS 302	X 10 CrNi 1809	23 31	302S25	X 10 CrNi 18 9	12KH18N9
303	X 10 CrNiS 18 9	1.4305	Z 10 CNF 18-09	SUS 303	X 10 CrNiS 1809	23 46	303S21	X 10 CrNiS 18 9	-
304	X 5 CrNi 18 10	1.4301	Z 6 CN 18-09	SUS 304	X 5 CrNi 1810	23 32	304S15	X 6 CrNi 18 10	08KH18N10
304 L	X 2 CrNi 18 11	1.4306	Z 2 CN 18-10	SUS 304L	X 2 CrNi 1911	23 52	304S11	X 3 CrNi 18 10	03KH18N11
316	X 5 CrNiMo 17 12 2	1.4401	Z 6 CND 17-11	SUS 316	X 5 CrNiMo 1712	23 47	316S31	X 6 CrNiMo 17 12 2	-
316 L	X 2 CrNiMo 17 13 2	1.4404	Z 2 CND 17-12	SUS 316L	X 2 CrNiMo 1712	23 48	316S11	X 3 CrNiMo 17 12 2	03KH17N14M2
321	X 6 CrNiTi 18 10	1.4541	Z 6 CNT 18-10	SUS 321	X 6 CrNiTi 1811	23 37	321S31	X 6 CrNiTi 18 10	08KH18N10T
347	X 6 CrNiNb 18 10	1.4550	Z 6 CNNb 18-10	SUS 347	X 6 CrNiNb 1811	23 38	347S31	X 6 CrNiNb 18 10	08KH18N12B
409	X 6 CrTi 12	1.4512	Z 6 CT 12	SUH 409	X 6 CrTi 12	-	409S19	X 5 CrTi 12	-
410 S	X 6 Cr 13	1.4000	Z 6 C 13	SUS 410S	X 6 Cr 13	23 01	403S17	X 6 Cr 13	08Kh13

🏭 Factory

🛡 Quality Advantage

The quality of our products for the control line in oil and gas sector is assured not just during the controlled manufacturing process but also by way of finished product testing. Typical tests include:

⚙ Non-destructive tests

💧 Hydrostatic tests

✨ Surface finish controls

📏 Dimensional accuracy measurements

💥 Flare and coning tests

🔬 Mechanical and chemical property testing

🔬 Application Capillary Tube

Medical device industry
Temperature-guided industrial temperature control, sensors used pipe, tube thermometer
Pens care industry core tube
Micro-tube antenna, various types of small precision stainless steel antenna
With a variety of electronic small-diameter Stainless steel capillary
Jewelry needle punch
Watches, picture
Car antenna tube, bar antennas using tubes, antenna tube
Laser engraving equipment to use stainless steel tube

Fishing gear, accessories
Diet with stainless steel capillary
All types of mobile phone stylus & computer stylus
Heating pipe industry, oil industry
Printers, silent box needle
Pull a double-melt stainless steel tube used in window-coupled
A variety of industrial small diameter Precision stainless steel tubes
Precision dispensing with stainless steel needles
Microphone, headphones and microphone to use stainless steel tube, etc.

❓ Frequently Asked Questions (FAQ)

Q1: What are the main applications of ASTM A312 Stainless Steel 201 Welded Pipes?

A1: These pipes are widely used in industrial applications such as Petrochemical, Chemical, Oil & Gas, Refinery, Fertilizer, Automotive, Power, and Structural Mechanical systems, as well as decorative and construction usages.

Q2: What steel pipe dimensions and shapes are available?

A2: We offer round pipes (OD 8-219mm), square pipes (OD 10x10mm to 150x150mm), and rectangular pipes (10x20mm to 120x180mm) with thickness ranges from 0.2mm to 12.7mm.

Q3: How is the quality of the control line and welded pipes assured?

A3: Product quality is guaranteed through a series of finished testing methods, including Non-destructive, Hydrostatic, Flare & Coning, Surface Finish, Dimensional Accuracy, and Mechanical/Chemical property tests.

Q4: What surface finishes can be provided on these stainless steel pipes?

A4: Available pipe surfaces include 180G, 320G, 400G, 500G, 600G, Satin, Hairline, 2B, BA, Mirror, and 8K.

Q5: Which industries use stainless steel capillary tubes?

A5: Capillary tubes are commonly utilized in the medical device industry, temperature control sensors, electronic components, laser engraving equipment, automotive antennas, and printing applications.

Q6: What material grades are compatible with the coiled tubing?

A6: Coiled tubing material grades cover multiple standards, including AISI 201, 301, 302, 304, 304L, 316, 316L, 321, 347, 409, and 410S under global systems (AISI, DIN, JIS, UNI, etc.).