301, 304, 304L, 316, 316L, 309, 310S, 321 Seamless Stainless Steel Pipe Tubing

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Specifications of Seamless stainless steel pipe

Product Name	Seamless stainless steel pipe
Material Grade	301, 304, 304L, 316, 316L, 309, 310S, 321
Standard	ASTM A249, A240, A269, A213, A312, A268, A270, A554, 632, 688, JIS G4304, G4305, BS 1449, DIN17460, DIN 17441, etc
Outside Diameter	Within 700mm
Thickness	Customizable
Length	Customizable
Surface treatment	Polishing, Annealing, Mirror surface, Bright, Pickling
Type	Welded, Seamless
Shape	Round, Square, Irregular
Packing	Please send details packing to us if you have other requirements

Equivalent grades

UNS	ASTM	JIS	DIN	EN	NF	BS
S30100	301	SUS301	X12CrNi17 • 7	1.4319	Z12CN17 • 07	301S21
S30400	304	SUS304	-	1.4301	-	-
S31600	316	SUS316	X5CrNiMo18 • 10	1.4401	Z6CND17 • 12	316S16
S31603	316L	SUS316L	X2CrNiMo18 • 10	1.4404	Z2CNDT17 • 12	316S12
S30403	304L	SUS304L	-	1.4306	-	-
S30908	309S	SUS309S	X7CrNi23 • 14	1.4833	-	-
S31008	310S	SUS310S	-	1.4845	-	-
S32100	321	SUS321	-	1.4541	Z2CN18 •10(Az)	-

Chemical Composition

Grade	C	Si	n	P≤	S≤	Cr	Mo	Ni	Other
301	≤0.15	≤1.00	≤2.00	0.045	0.03	16-18	-	6.0	-
304	≤0.07	≤1.00	≤2.00	0.035	0.03	17-19	-	8.0	-
304L	≤0.075	≤1.00	≤2.00	0.045	0.03	17-19	-	8.0
309S	≤0.08	≤1.00	≤2.00	0.045	0.03	22-24	-	12.0	-
310	≤0.08	≤1.5	≤2.00	0.045	0.03	24-26	-	19.0	-
316	≤0.08	≤1.00	≤2.00	0.045	0.03	16-18.5	2	10.0	-
316L	≤0.03	≤1.00	≤2.00	0.045	0.03	16-18	2	10.0	-
321	≤0.12	≤1.00	≤2.00	0.045	0.03	17-19	-	9.0	Ti≥5×C

Mechanical Properties

Grade	YS(Mpa) ≥	TS (Mpa) ≥	El (%) ≥	Hardness(HV) ≤
301	200	520	40	180
304	200	520	50	165-175
304L	175	480	50	180
309S	200	520	40	180
310	200	520	40	180
316	200	520	50	180
316L	200	480	50	180
321	200	520	40	180

304L Stainless Steel

Unyielding Durability: 304L is renowned for its excellent corrosion resistance, making it ideal for applications in harsh environments, including chemical processing, pharmaceuticals, and food processing.
High Heat Resistance: 304L exhibits exceptional thermal stability, making it suitable for use in heat exchangers, boilers, and other high-temperature applications.
Versatile Applications: 304L is widely utilized in the construction of pipelines, storage tanks, architectural structures, and various components in the automotive and aerospace industries.
Key Distinction: 304L contains a lower carbon content compared to 316L, enhancing its weldability and reducing the risk of carbide precipitation during welding.

316L Stainless Steel

Superior Corrosion Resistance: 316L offers outstanding resistance to corrosion, including pitting and crevice corrosion, making it an excellent choice for marine and coastal applications, chemical processing equipment, and medical devices.
Elevated Temperature Performance: 316L maintains its integrity even at higher temperatures, making it suitable for furnace components, exhaust systems, and other heat-intensive environments.
Hygienic and Sanitary Applications: 316L's exceptional corrosion resistance and low-maintenance properties make it an ideal material for pharmaceutical equipment, food processing machinery, and sanitary piping systems.
Key Distinction: 316L contains molybdenum, which enhances its overall corrosion resistance, particularly in chloride environments, compared to 304L.

304L vs 316L

Corrosion Resistance: Both 304L and 316L offer excellent corrosion resistance, but 316L provides superior resistance to chloride-induced corrosion, making it preferable for applications in marine and chemical environments.
Weldability: 304L exhibits better weldability due to its lower carbon content, reducing the risk of carbide precipitation during welding. 316L may require additional precautions to avoid carbide precipitation.
Cost Considerations: 304L is generally more cost-effective compared to 316L, making it a popular choice for applications where superior corrosion resistance to chlorides is not critical.
Application Specificity: Selecting between 304L and 316L depends on the specific application requirements, with 304L being preferred for general-purpose applications and 316L for environments demanding higher corrosion resistance.

Stainless steel grade list in different countries

No	China	Japan	America		Korea	EU	India	Australia	Taiwan
No	GB	JIS	ASTM	UNS	KS	BS EN	IS	AS	CNS
1	12Cr17Mn6Ni5N	SUS201	201	S20100	STS201	1.4372	10Cr17Mn6Ni4N20	201-2	201
2	12Cr18Mn9Ni5N	SUS202	202	S20200	STS202	1.4373		–	202
3	12Cr17Ni7	SUS301	301	S30100	STS301	1.4319	10Cr17Ni7	301	301
4		SUS302	302	S30200	STS302	1.43	–	–	302
5		SUS303	303	S30300	STS303	1.4305	–	–	–
6	06Cr19Ni10	SUS304	304	S30400	STS304	1.4301	07Cr18Ni9	304	304
7		SUS304S	304S	S31008		1.4845		304S	304S
8	022Cr19Ni10	SUS304L	304L	S30403	STS304L	1.4306	02Cr18Ni11	304L	304L
9	06Cr19Ni10N	SUS304N1	304N	S30451	STS304N1	1.4315	–	304N1	304N1
10	06Cr19Ni9NbN	SUS304N2	XM21	S30452	STS304N2	–	–	304N2	304N2
11	022Cr19Ni10N	SUS304LN	304LN	S30453	STS304LN	–	–	304LN	304LN
12	10Cr18Ni12	SUS305	305	S30500	STS305	1.4303	–	305	305
13		SUS308	308	S30800			–
14	06Cr23Ni13	SUS309S	309S	S30908	STS309S	1.4833	–	309S	309S
15		SUS309	309	S30900	STS309	1.4828	–	–	–
16		SUS310	310	S31000		1.4841	–	–
17	06Cr25Ni20	SUS310S	310S	S31008	STS310S	1.4845	–	310S	310S
18	06Cr17Ni12Mo2	SUS316	316	S31600	STS316	1.4401	04Cr17Ni12Mo2	316	316
19	06Cr17Ni12Mo2Ti	SUS316Ti	316Ti	S31635	–	1.4571	04Cr17Ni12MoTi20	316Ti	316Ti
20	022Cr17Ni12Mo2	SUS316L	316L	S31603	STS316L	1.4404	~02Cr17Ni12Mo2	316L	316L
21	06Cr17Ni12Mo2N	SUS316N	316N	S31651	STS316N	–	–	316N	316N
22	022Cr17Ni13Mo2N	SUS316LN	316LN	S31653	STS316LN	1.4429	–	316LN	316LN
23	06Cr18Ni12Mo2Cu2	SUS316J1	–	–	STS316J1	–	–	316J1	316J1
24	022Cr18Ni14Mo2Cu2	SUS316J1L	–	–	STS316J1L	–	–	–	316J1L
25	06Cr19Ni13Mo3	SUS317	317	S31700	STS317	–	–	317	317
26	022Cr19Ni13Mo3	SUS317L	317L	S31703	STS317L	1.4438	–	317L	317L
27		SUS321H	321H
28	06Cr18Ni11Ti	SUS321	321	S32100	STS321	1.4541	04Cr18Ni10Ti20	321	321
29		SUS303Se	303Se	S30323	STS303Se	–	–	–	–
30	06Cr18Ni11Nb	SUS347	347	S34700	STS347	1.455	04Cr18Ni10Nb40	347	347
31	–	DP11	SAF2304	S32304	–	1.4362	–	–	–
32	–	DP1	–	S31500	–	1.4417	–	–	–
33	–	DP8	SAF2205	S31803	–	1.4462	–	–	–
34	–	329J2l		S631260	–	1.4501	–	–	–
35	–	UR47N+	SAP2507	S32750	–	1.441	–	–	–
36	–	UR52N+	SAP2507	S32550	–	1.4507	–	–	–
37	–	SUS329J1	329	S32900	STS329J1	1.4477	–	329J1	329J1
38	022Cr19Ni5Mo3Si2N	SUS329J3L	–	S31803	STS329J3L	1.4462	–	329J3L	329J3L
39	06Crl3Al	SUS405	405	S40500	STS405	1.4002	04Cr13	405	405
40	022Cr11Ti	SUH409	409	S40900	STS409	1.4512	–	409L	409L
41	–	SUS410L	410L	–	STS410L	–	–	–	–
42	–	SUS447J1	447J1	–	–	–	–	–	–
43	–		XM27	–	–	–	–	–	–
44	–	SUS410S	410S	–	–	–	–	–	–
45	–		429	–	–	–	–	–	–
46	022Cr12	SUS410L	–	–	STS410L	–	–	410L	410L
47	10Cr17	SUS430	430	S43000	STS430	1.4016	05Cr17	430	430
48		SUS430F	430F	S43020	STS430F	1.4104	–	430F	430F
49			430L				–
50	10Cr17Mo	SUS434	434	S43400	STS434	1.4113	–	434	434
51		SUS436L	436L				–
52	022Cr18NbTi	–	–	S43940	–	1.4509	–	439	439
53	019Cr19Mo2NbTi	SUS444	444	S44400	STS444	1.4521	–	444	444
54	–	–	446	–	–	–	–	–	–
55	00Cr18Mo2Ti	–	–	–	–	–	–	–	–
56	00Cr17Ti	–	–	–	–	–	–	–	–
57	12Cr12	SUS403	403	S40300	STS403	–	–	403	403
58	12Cr13	SUS410	410	S41000	STS410	1.4006	12Cr13	410	410
59		SUS414	414
60		SUS416	416			1.4005
61	20Cr13	SUS420J1	420	S42000	STS420J1	1.4021	20Cr13	420	420J1
62	30Cr13	SUS420J2	–	–	STS420J2	1.4028	30 Cr13	420J2	420J2
63		SUS420F
64	68Cr17	SUS440A	440A	S44002	STS440A	–	–	440A	440A
65		SUS440B	440B
66		SUS440f	440f
67		SUS440C	440C
68	2Cr16Ni2	SUS431	431	S43100	–	1.4057	–	431	431
69		SUS410J1	410J1
70		SUS420J1	429J1
71		–	–	–	–	–	–	–	–

Shanghai Yinggui Metal Products Company visited the factory and cooperated with customers

Shanghai Yinggui Metal Products Company factory

Shanghai Yinggui Metal Products Co., Ltd. cooperative customer

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Tp316l/tp304l seamless stainless steel pipe

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Tp316l/tp304l seamless stainless steel pipe

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301, 304, 316, 309, 310S, 321 seamless stainless steel pipe