Professionally engage in manufacturing seamless steel pipe with good quality.
Seamless steel pipe
1. General used seamless steel pipe ASTM A53 GR. B, steel: SA53 B, Size: 1/4"-28", 13.7-711.2mm.
2. High pressure used boiler carbon steel seamless pipes ASTM A106 GR. B, steel: SA106B, Size: 1/4"-28", 13.7-711.2mm.
3. Carbon steel seamless pipes 20# steel same as ASTM A106/A53/API 5L GR. B, steel: B, size: 1/4"-24", 13.7-610mm
4. -40degree-101degree low temperature ASTM A333, steel: GR. A, GR. 1, GR. 6, GR. 7, GR. 3, low temperature concussion test can offer.
Size: 1/4"-28"*SCH20, 30, STD, 60, 80, 100, 120, 140, 160, XXS.
5. DIN2448/1629 seamless steel pipe, steel: St37, St44, St52
Size: 1/4"-28", 13.7-711.2mm

6. Refractory steel pipe DIN17175-1979
Steel: St35.8-St45.8/I, St35.8-St45.8/III, Alloy steel: 15Mo3, 13CrMo44, 10CrMo910, Sie: 1/4"-28"*SCH20, SCH30, SCH40, SCH160, SCHXXS, 13.7-610mm.
7. Structure used seamless steel pipe GB/T8162-1999, steel: 10#, 20#, 35#, 45#, 16Mn(Q345)
Size: 6-720*1-70mm
8. Liquid transport carbon steel seamless pipe GB/T8163-1999, steel: 10#, 20#, 16Mn(Q345)
Size: 6-720*1-70mm
9. Low or Medium pressure boiler seamless pipe GB3087-1999, steel: 10#, 20#
Size: 6-720*1-70mm
10. High pressure boiler seamless pipe GB5310-1995, steel: 20G, size: 6-720*1-70mm
11. DIN 2391 hydraulic pressure seamless steel pipe (Chinese standard GB3639-83), OD10-68MM, WT1-10mm.