Stainless steel seamless pipe, also known as stainless steel seamless tube, is a long hollow cylinder used for moving fluids (liquids or gases).
"Stainless seamless pipe" and "stainless steel tube" are almost interchangeable, although minor distinctions exist-generally, a tube has tighter engineering requirements than a pipe.
Jiangsu Sheye Metal is a professional manufacturer specialized in manufacturing seamless pipes in large, medium, and small diameters.
Various stainless steel seamless pipe are produced with complete specifications and supreme quality.
Sheye Metal has fine equipment and complete quality management, establishes modern quality management system, introduces internationally advanced technology and adopts international advanced production technique.
Stainless steel seamless pipe are widely used in such industries as petroleum, chemical industry, machinery, electric power, chemical fiber, papermaking, printing and dyeing, food and pneumatic parts etc.
The company is provided with complete inspection equipment and adopts technical standards for products such as: seamless pipe for fluid transportation, seamless pipe for construction, seamless for boiler and heat exchanger.
The outside diameter of seamless stainless we produce ranges from 4.0mm to 1219mm. The wall thickness is 0.5mm to 100mm. For metal, we are serious.
OD: 4.0 ~ 1219mm; WT: 0.5 ~ 100mm; Length: 6m, 12m, Max.18m
Seamless, Cold Drawn, Cold Rolled, Hot Rolled
PE(Plain End), BE(Beveled End), NPT, BW(Butt Weld End)
Aid Pickling, Polishing(180#, 220#, 240#, 320#, 400#, 600#)
Weight/meter = (OD-WT)*WT*0.02507 Both OD and WT in mm.
OD is the specified outside diameter.
WT is the specified wall thickness
Stainless steel pipes shall be pickled free of scale. When bright annealing is used, pickling is not necessary.
Austenitic/Super Austenitic Stainless Steel Seamless Pipe
304, 304H, 304L, 304LN, 321, 321H, 316, 316L, 316LN, 316Ti, 317L, 310S, 310H, 314, 347H, 904L, S31254, N08367, N08926, S32654, S31277
Ferrite/Super Ferrite Stainless Steel Seamless Pipe
405, 430, 439, 444, TP446-1/TP446-2, S44660, S44735, S44736
Duplex/Super Duplex Stainless Steel Seamless Pipe
S31500, S31803, S32205, S32304, S32520， S32550, S32750, S32760
Martensite/Super Martensite Stainless Steel Seamless Pipe
410S, 410, 420, 420J2, 431, 17-4PH, 13Cr110, 17Cr110/125
Nickel Alloy Seamless Pipe
N04400, N05500, N06600, N06601, N06025, N06617, N06625, N06690, N08810, N10276, N06022, N10665, N10675, N08020, N08028, N08031, N06985, N06030, N06035, N07750
GB 5310, GB13296, GB/T 9948, GB/T14976, GB/T14975
ASTM A213/213M(ASME SA213/SA213M), ASTM A312/312M(ASME SA312/SA312M), ASTM A789/789M(ASME SA789/SA789M), ASTM A790/790M(ASME SA790/SA790M), ASTM B163(ASME SB163), ASTM B423(ASME SB423), ASTM B407(ASME SB407), ASTM B668(ASME SB668)
DIN 17456, DIN17458
JIS G3459, JIS G3463
Tolerances in Wall Thickness (ASTM A312)
Tolerance, % from Nominal
1/8 to 2-1/2 incl., all t/D ratios
3 to 18 inch., t/D up to 5% incl.
3 to 18 inch., t/D＞5%
20 and larger, welded, all t/D ratios
20 and larger, seamless, t/D up to 5% incl.
20 and larger, seamless, t/D＞5%
t = Nominal Wall Thickness;
D = Ordered Outside Diameter.
Tolerances in Outside Diameter (ASTM A312)
Tolerances in Outside Diameter
1/8 to 1-1/2, incl.
Over 1-1/2 to 4, incl.
Over 4 to 8, incl.
Over 8 to 18, incl.
Over 18 to 26, incl.
Over 26 to 34, incl.
Over 34 to 48, incl.
Tolerances in Straightness (ASTM A312)
Specified OD, in.
Specified Wall Thickness, in.
Maximum Curvature in any 3ft, in.
Maximum Curvature i Total Length, in.
Up to 5.0 incl.
Over 3% OD to 0.5, incl.
0.010 x length, ft
Over 5.0 to 8.0, incl.
Over 4% OD to 0.75, incl.
0.015 x length, ft
Over 8.0 to 12.75, incl.
Over 4% OD to 1.0, incl.
0.020 x length, ft
Stainless steel seamless pipes from Sheye Metal are packed according to the customer's requirement. To avoid any damage which might be caused during international transportation, we provide some optional packaging methods, including woven bags, plywood cases, and wooden boxes.