Stainless Steel Welded Pipe


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Size: OD: 11/8″ - 36″
WT: 5S, 10S, STD, XH, 40, 80, 100, 120, 160, XXH
LENGTH: 5.8/6/11.8/12m
Standard: ASTM A240,ASTM A269, ASTM A312, ASTM A358, ASTM A778,ASTM A789, ASTMA813,JS G3459
Grade: 304,304/L,304H,310/S,310H,316,316L,321,321H
Surface: Annealed, Pickling, Polished

Product Description

Diameter of Stainless Pipe	11/8″ thru 36″
300 Series Stainless Steel Grades	304 ，304/L, 304H, 309/S, 309H, 310/S, 310H, 316L, 317L, 321 , 321H , 347 ,347H
400 Series Stainless Steel Grades	410 , 410S
Nickel Alloy Grades	Duplex 2205, Duplex 2507

Welded Stainless Steel Pipe Tolerances

NPS Designator	Permissible Variations in Outside Diameter
NPS Designator	Over In.	Under In.
1/8 to 1-1/2, incl	1/64 (0.015)	1/32 (0.031)
Over 1-1/2 to 4, incl	1/32 (0.031)	1/32 (0.031)
Over 4 to 8, incl	1/16 (0.062)	1/32 (0.031)
Over 8 to 18, incl	3/23 (0.093)	1/32 (0.031)

Nominal Wall Thickness:

NPS Designator	Outside Diameter in.	Schedule 5S in.	Schedule 10S in.	Schedule 40S in.	Schedule 80S in.
1/4	0.540		0.065	0.088	0.119
3/8	0.675		0.065	0.091	0.126
1/2	0.840	0.065	0.083	0.109	0.147
3/4	1.050	0.065	0.083	0.113	0.154
1.0	1.315	0.065	0.109	0.133	0.179
1 1/4	1.660	0.065	0.109	0.140	0.191
1 1/2	1.900	0.065	0.109	0.145	0.200
2	2.375	0.065	0.109	0.154	0.218
2 1/2	2.875	0.083	0.120	0.203	0.276
3	3.500	0.083	0.120	0.216	0.300
3 1/2	4.000	0.083	0.120	0.226	0.318
4	4.500	0.083	0.120	0.237	0.337
5	5.563	0.109	0.134	0.258	0.375
6	6.625	0.109	0.134	0.280	0.432
8	8.625	0.109	0.148	0.322	0.500
10	10.750	0.134	0.165	0.365	0.500
12	12.750	0.156	0.180	0.375	0.500