Stainless Steel Pipes Exporter | SS 304/316L Seamless & Welded Pipes ASTM A312 Mumbai India

ASTM A312 • ASME B36.19

Exporter & Stockist

Stainless Steel Pipes

Rasen Stainless LLP stocks and exports seamless, welded (EFW/ERW) and large-diameter fabricated stainless steel pipes in ⅛″ NB to 48″ NB, Sch 5S through XXS, to ASTM A312, A358, A778 and A790 (duplex).

Pipes are supplied solution annealed and pickled in random lengths of 6 m, or cut to your lengths, with plain or bevelled ends. Each length is marked with size, schedule, grade, standard and heat number and covered by an EN 10204 3.1 mill certificate.

01 Specifications

Size Range⅛″ NB to 48″ NB (6 NB to 1200 NB)

ScheduleSch 5S, 10S, 20, 40S, 80S, 160, XXS

StandardsASTM A312 / A358 / A778 / A790, ASME B36.19M & B36.10M, EN 10216-5, EN 10217-7, DIN 17456/17457, JIS G3459

TypesSeamless, Welded (EFW), ERW, Fabricated (large bore)

LengthSingle random (4–7 m), Double random (11–12 m), Cut length

EndsPlain, Bevelled (ASME B16.25), Threaded

FinishAnnealed & Pickled, Bright Annealed, Polished (180/240/320 grit, mirror)

TestingHydrostatic, Eddy Current, PMI, IGC Practice E, Flattening, Flaring

CertificationEN 10204 3.1 MTC, 3.2 on request

02 Grades Available

SS 304 / 304L — TP304 / TP304LSS 304H — TP304HSS 316 / 316L — TP316 / TP316LSS 316Ti — TP316TiSS 317L — TP317LSS 321 / 321H — TP321SS 347 / 347H — TP347SS 310S — TP310SSS 904L — N08904Duplex 2205 — A790 S31803 / S32205Super Duplex 2507 — A790 S32750 / S32760

Grades marked with a light-blue diamond are duplex / super duplex. Other austenitic, ferritic and nickel-alloy grades on request.

03 Dimension Chart

Schedule Chart (B36.19)Wall thickness in mm per ASME B36.19M. Sch 5S not standardised below ½″ NB.

NPS	O.D. (mm)	Sch 5S	Sch 10S	Sch 40S	Sch 80S
1/8	10.3	-	1.24	1.73	2.41
1/4	13.7	-	1.65	2.24	3.02
3/8	17.1	-	1.65	2.31	3.2
1/2	21.3	1.65	2.11	2.77	3.73
3/4	26.7	1.65	2.11	2.87	3.91
1	33.4	1.65	2.77	3.38	4.55
1 1/4	42.2	1.65	2.77	3.56	4.85
1 1/2	48.3	1.65	2.77	3.68	5.08
2	60.3	1.65	2.77	3.91	5.54
2 1/2	73.0	2.11	3.05	5.16	7.01
3	88.9	2.11	3.05	5.49	7.62
3 1/2	101.6	2.11	3.05	5.74	8.08
4	114.3	2.11	3.05	6.02	8.56
5	141.3	2.77	3.4	6.55	9.53
6	168.3	2.77	3.4	7.11	10.97
8	219.1	2.77	3.76	8.18	12.7
10	273.0	3.4	4.19	9.27	12.7
12	323.8	3.96	4.57	9.53	12.7
14	355.6	3.96	4.78	9.53	12.7
16	406.4	4.19	4.78	9.53	12.7
18	457.0	4.19	4.78	9.53	12.7
20	508.0	4.78	5.54	9.53	12.7
24	610.0	5.54	6.35	9.53	12.7

Weight Chart kg/mApproximate weight in kg/m for austenitic stainless (density 7.93 g/cm³). Weight = 0.02466 × (OD – WT) × WT.

NPS	O.D. (mm)	Sch 10S	Sch 40S	Sch 80S
1/8	10.3	0.28	0.37	0.47
1/4	13.7	0.49	0.63	0.8
3/8	17.1	0.63	0.84	1.1
1/2	21.3	1.0	1.27	1.62
3/4	26.7	1.28	1.69	2.2
1	33.4	2.09	2.5	3.24
1 1/4	42.2	2.69	3.39	4.47
1 1/2	48.3	3.11	4.05	5.41
2	60.3	3.93	5.44	7.48
2 1/2	73.0	5.26	8.63	11.41
3	88.9	6.46	11.29	15.27
3 1/2	101.6	7.41	13.57	18.63
4	114.3	8.37	16.07	22.32
5	141.3	11.56	21.77	30.97
6	168.3	13.83	28.26	42.56
8	219.1	19.97	42.55	64.64
10	273.0	27.77	60.29	81.52
12	323.8	35.98	73.86	97.43
14	355.6	41.35	81.33	107.39
16	406.4	47.34	93.27	123.3
18	457.0	53.31	105.16	139.15
20	508.0	68.64	117.15	155.12
24	610.0	94.53	141.12	187.06