Our China Zhonghai Steel Pipe Manufacture produce Smls Steel Pipe/Smls Steel Pipes/Smls Pipe/smls steel pipe,smls steel pipes,carbon seamless steel pipe,seamless steel pipes.smls pipe,smls pipes,API smls steel pipe,welcome u and u team come to visit at any time
Production Steel pipe
Type Seamless
Size 3" To 24"
Wall thickness Sch5S-Sch160, XS,XXS
Standards ANSI, ASTM,API,DIN, JIS, BS, ISO, GB, SH, AND HG etc
Material Carbon Steel: ASTM A53/A106,ASTM A179,API 5L X42/52/60,Gost,En.
Surface treatment Black painting, anti-rust varnish, anti-rust oil, hot
galvanized,3PE coating, epoxy coating.
Packing Plastic pipe cap, plastic bag, steel strips bundled
Applications Petroleum,chemical,power,gas,metallurgy, shipbuilding, construction, etc
Min order 1 ton
Delivery time 7 after receipt of advanced payment
Certificate API, CE and ISO9001:2000
Productivity 200000 ton per year
Seamless Steel Pipe(SMLS) is made from a solid round steel ‘billet’ which is heated and pushed or pulled over a form until the steel is shaped into a hollow tube. The seamless pipe is then finished to dimensional and wall thickness specifications in sizes from 1/8'' to 36'' OD.
Dimension Tolerances:
Standards | Outer Diameter Tolerance | Thickness Tolerance | ||
GB/T | D<50 | ±0.50mm | S<4mm | ±12.5% |
D≥50 | ±1% | 4-20mm | +158-12.5% | |
S≥20mm | ±12.5% | |||
DIN | D50 | ±0.50mm | S2Sn | +158-10% |
D48.3D48.3 | ±1% | 2SnS4Sn | +12.5/-10% | |
S4Sn | ±9% | |||
ASTM A53 | D<48.3 | ±0.4/-0.79mm | ±12.5% | |
D≥48.3 | ±1% | |||
ASTM A106 | D<48.3 | ±0.4/-0.79mm | ±12.5% | |
D48.3-114.3 | ±0.79mm | |||
D≥114.3 | ±1.59/-0.79mm |