China ASTM A312 316 stainless steel welded pipe Factory, Pricelist

1 / 3

China ASTM A312 316 stainless steel welded pipe Factory, Pricelist

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

Send Inquiry

Product Description

ASTM A312 Stainless Steel 316 Welded Pipe

ERW Pipes are widely used in a diverse range of applications such as Petrochemical, Chemical, Oil & Gas, Refinery, Fertilizer, Automotive, Bearing, Power, and Structural Mechanical applications. We provide high-quality welded pipes in different grades, thicknesses, and sizes custom-tailored to our clients' precise technical requirements.

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 & manufacturers

✓ Stainless steel pipe coil

Types of Stainless Steel Welded Pipes

▪Stainless steel welded pipe

▪DIN Stainless Steel Welded Pipe

▪Stainless Steel ERW Pipes

▪SS ERW Pipes

▪AISI SS Welded Pipes

▪ASME SS ERW Pipes

▪Steel Welded Pipes

▪ASTM A312 Stainless Steel Welded pipe

ASTM A312 Stainless Steel 316 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.

Thickness

0.2 - 12.7.0 mm

Pipe Length

5.8m, 6m, 11.85m, 12m

Ends

Plain End, Beveled End

Pipe Surface

180G, 320G, 400G, 500G, 600G, Satin, Hairline, 2B, BA, Mirror, 8K

Pipe Sizes & Dimensions

Round Pipe: OD 8-219mm | Square Pipe: OD 10x10mm - 150x150mm | Rectangle Pipe: 10x20mm to 120x180mm

Standard Applications

1. Decoration & Construction

✔Road & Bridge handrails and railings

✔Bus stop, airport, and gym structures

✔Architectural ornamentation

2. Industrial Fields

✔Petroleum, food processing, and chemical sectors

✔Paper mills, fertilizer production, and textile processing

✔Aviation and nuclear power facilities

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 of Stainless Steel Polishing Pipe

Grade	Composition, %
Grade	Carbon, max	Manganese, max	Phosphorus, max	Sulfur, max	Silicon, max	Nickel	Chromium	Molybdenum	Titanium	Columbium + Tantalum
Austenitic
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,	...
									0.75 max

Stainless Steel Coiled Tubing Material Grade Comparison

U.S.A.	GERMANY (DIN)	GERMANY (W.N.)	FRANCE	JAPAN	ITALY	SWEDEN	U.K.	E.U.	SPAIN	RUSSIA
AISI	DIN 17006	W.N. 17007	AFNOR	JIS	UNI	SIS	BSI	EURONORM
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	X 12 CrNi 17-07
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	X 10 CrNi 18-09	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	X 10 CrNiS 18-09
303 Se			Z 10 CNF 18-09	SUS 303 Se	X 10 CrNiS 1809		303S41		X 10 CrNiS 18-09	12KH18N10E
304	X 5 CrNi 18 10 X 5 CrNi 18 12	1.4301 1.4303	Z 6 CN 18-09	SUS 304	X 5 CrNi 1810	23 32	304S15 304S16	X 6 CrNi 18 10	X 6 CrNi 19-10	08KH18N10 06KH18N11
304 N				SUS 304N1	X 5 CrNiN 1810
304 H				SUS F 304H	X 8 CrNi 1910				X 6 CrNi 19-10
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	X 2 CrNi 19-10	03KH18N11
	X 2 CrNiN 18 10	1.4311	Z 2 CN 18-10-Az	SUS 304LN	X 2 CrNiN 1811	23 71
305			Z 8 CN 18-12	SUS 305	X 8 CrNi 1812	23 33	305S19	X 8 CrNi 18 12	X 8 CrNi 18-12
			Z 6 CNU 18-10	SUS XM7				X 6 CrNiCu 18 10 4 Kd
309	X 15 CrNiS 20 12	1.4828	Z 15 CN 24-13	SUH 309	X 16 CrNi 2314		309S24	X 15 CrNi 23 13
309 S				SUS 309S	X 6 CrNi 2314			X 6 CrNi 22 13
310	X 12 CrNi 25 21	1.4845		SUH 310	X 22 CrNi 2520		310S24			20KH23N18
310 S	X 12 CrNi 25 20	1.4842	Z 12 CN 25-20	SUS 310S	X 5 CrNi 2520	23 61		X 6 CrNi 25 20		10KH23N18
314	X 15 CrNiSi 25 20	1.4841	Z 12 CNS 25-20		X 16 CrNiSi 2520			X 15 CrNiSi 25 20		20KH25N20S2
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	X 6 CrNiMo 17-12-03
316	X 5 CrNiMo 17 13 3	1.4436	Z 6 CND 17-12	SUS 316	X 5 CrNiMo 1713	23 43	316S33	X 6 CrNiMo 17 13 3	X 6 CrNiMo 17-12-03
316 F	X 12 CrNiMoS 18 11	1.4427
316 N				SUS 316N
316 H				SUS F 316H	X 8 CrNiMo 1712				X 5 CrNiMo 17-12
316 H					X 8 CrNiMo 1713				X 6 CrNiMo 17-12-03
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	X 2 CrNiMo 17-12-03	03KH17N14M2
	X 2 CrNiMoN 17 12 2	1.4406	Z 2 CND 17-12-Az	SUS 316LN	X 2 CrNiMoN 1712
316 L	X 2 CrNiMo 18 14 3	1.4435	Z 2 CND 17-13		X 2 CrNiMo 1713	23 53	316S13	X 3 CrNiMo 17 13 3	X 2 CrNiMo 17-12-03	03KH16N15M3
	X 2 CrNiMoN 17 13 3	1.4429	Z 2 CND 17-13-Az		X 2 CrNiMoN 1713	23 75
	X 6 CrNiMoTi 17 12 2	1.4571	Z6 CNDT 17-12		X 6 CrNiMoTi 1712	23 50	320S31	X 6 CrNiMoTi 17 12 2	X 6 CrNiMoTi 17-12-03	08KH17N13M2T 10KH17N13M2T
	X 10 CrNiMoTi 18 12	1.4573			X 6 CrNiMoTi 1713		320S33	X 6 CrNiMoTI 17 13 3	X 6 CrNiMoTi 17-12-03	08KH17N13M2T 10KH17N13M2T
	X 6 CrNiMoNb 17 12 2	1.4580	Z 6 CNDNb 17-12		X 6 CrNiMoNb 1712			X 6 CrNiMoNb 17 12 2		08KH16N13M2B
	X 10 CrNiMoNb 18 12	1.4583			X 6 CrNiMoNb 1713			X 6 CrNiMoNb 17 13 3		09KH16N15M3B
317				SUS 317	X 5 CrNiMo 1815	23 66	317S16
317 L	X 2 CrNiMo 18 16 4	1.4438	Z 2 CND 19-15	SUS 317L	X 2 CrNiMo 1815	23 67	317S12	X 3 CrNiMo 18 16 4
317 L	X 2 CrNiMo 18 16 4	1.4438	Z 2 CND 19-15	SUS 317L	X 2 CrNiMo 1816	23 67	317S12	X 3 CrNiMo 18 16 4
330	X 12 NiCrSi 36 16	1.4864	Z 12NCS 35-16	SUH 330
321	X 6 CrNiTi 18 10 X 12 CrNiTi 18 9	1.4541 1.4878	Z 6 CNT 18-10	SUS 321	X 6 CrNiTi 1811	23 37	321S31	X 6 CrNiTi 18 10	X 6 CrNiTi 18-11	08KH18N10T
321 H				SUS 321H	X 8 CrNiTi 1811		321S20		X 7 CrNiTi 18-11	12KH18N10T
329	X 8 CrNiMo 27 5	1.4460		SUS 329J1		23 24
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	X 6 CrNiNb 18-11	08KH18N12B
347 H				SUS F 347H	X 8 CrNiNb 1811				X 7 CrNiNb 18-11
904L		1.4939	Z 12 CNDV 12-02
UNS31803	X 2 CrNiMoN 22 5	1.4462
UNS32760	X 3 CrNiMoN 25 7	1.4501	Z 3 CND 25-06Az
403	X 6 Cr 13 X 10 Cr 13 X 15 Cr 13	1.4000 1.4006 1.4024	Z 12 C 13	SUS 403	X 12 Cr 13	23 02	403S17	X 10 Cr 13 X 12 Cr 13	X 6 Cr 13	12Kh13
405	X 6 CrAl 13	1.4002	Z 6 CA 13	SUS 405	X 6 CrAl 13		405S17	X 6 CrAl 13	X 6 CrAl 13
	X 10 CrAl 7	1.4713	Z 8 CA 7					X 10 CrAl 7
	X 10 CrAl 13	1.4724			X 10 CrAl 12					10Kh13SYu
	X 10 CrAl 18	1.4742						X 10 CrSiAl 18		15Kh18SYu
409	X 6 CrTi 12	1.4512	Z 6 CT 12	SUH 409	X 6 CrTi 12		409S19	X 5 CrTi 12
					X 2 CrTi 12
410	X 6 Cr 13 X 10 Cr 13 X 15 Cr 13	1.4000 1.4006 1.4024	Z 10 C 13 Z 12 C 13	SUS 410	X 12 Cr 13	23 02	410S21	X 12 Cr 13	X 12 Cr 13	12Kh13
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 Facility

Quality Advantage

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

✓Non-destructive testing (NDT)

✓Hydrostatic pressure testing

✓Surface finish controls

✓Dimensional accuracy measurements

✓Flaring and coning mechanical tests

✓Full mechanical and chemical property verification

Capillary Tube Applications

▪Medical device industry applications

▪Industrial temperature control sensors & thermometer tubes

▪Pens care industry core tubes

▪Micro-tube antennas & precision small-diameter steel structures

▪Precision electronic device small-diameter capillary tubes

▪Jewelry needle punches & watch component tubes

▪Automobile bar antennas & antenna tubes

▪Laser engraving equipment specialized tubes

▪Fishing gear components and accessories

▪Dietary industry usage and food-grade capillary tubes

▪Mobile phone and computer styluses

▪Heating element pipes & oil industry applications

▪Printers & silent box needle tubes

▪Double-melt window-coupled stainless steel tubes

▪High precision industrial dispensing needles

▪Microphones, headphones, and related acoustic components

Frequently Asked Questions (FAQ)

What is ASTM A312 316 Stainless Steel Welded Pipe?

ASTM A312 is the standard specification for seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipes. Grade 316 is a molybdenum-bearing grade, which provides superior corrosion resistance in harsh environments, particularly against chloride pitting and crevice corrosion.

What is the difference between ASTM A312 316 and 316L?

The primary difference is the carbon content. Grade 316 has a maximum carbon limit of 0.08%, while Grade 316L (Low Carbon) has a maximum limit of 0.035%. The lower carbon content in 316L minimizes harmful carbide precipitation during welding, making it highly suitable for heavy-gauge welded components.

What welding methods are used for these stainless steel pipes?

These pipes are commonly produced via ERW (Electric Resistance Welding) and EFW (Electric Fusion Welding) methods. These processes ensure robust seams, reliable structural integrity, and uniform wall thickness across the length of the pipe.

What typical testing is conducted to ensure quality?

Typical quality tests include Hydrostatic pressure tests, Non-Destructive Testing (NDT), mechanical properties testing (tensile, yield, elongation), chemical composition analysis, dimensional tolerance measurements, and surface finish checks.

Can these welded pipes be customized in size and surface finish?

Yes, they are available in various outer diameters (OD), wall thicknesses, and shapes (round, square, and rectangular). They can also be customized with various surface finishes including BA (Bright Annealed), Hairline, Satin, Mirror polished, and specific grit options (180G to 600G).