seamless:
Outer Diameter: 32 - 630 mm
Standard: ASTM A106-B, ASTM A53-B, API 5L-B, API 5L CT, X42, X52, and 5CT, J55, K55
          SAE1020, SAE1045
          JIS G4051, S20C ,S45C, JIS G3454, JIS 3454 ,STPG42
          DIN 17175 ST 45-8, ST37, ST 52
seam/welded:
Outer Diameter: 219 – 2200 mm
Material: 10#, 20#, 45#, 16Mn, A106(B,C), St37, St...20#, or others as require
Wall Thickness: SCH5 SCH40 SCH80 SCH160 XXS
Tolerate: OD: +1% / -1%
Wall Thickness: +12.5% / -10%
PED, ISO, API
Packaging Detail: blacking painting, oiled, caped, steel strips bundled or as clients' requirement
Delivery Detail: 25 days after conformed or as per requested
Payment: By T/T Or L/C
Output: 200 ton per month.
Application field: Transportation of oil / gas / fluid, Construction, Electricity,
Machine building industy, Chemical industry, Petroleum, Traffic.