1. Standard: ASTM A53-98, ASTM192, JISG3454-1998, API SPEC 5L, ASTM A106-96A, JIS G3462-1998, ASTM A179, DIN17175-1979, BS3059, DIN1626, BS 1387, BS EN10296, BS 1139, etc.
2. Grade: 10, 20, 20G, 16Mn, 45#, STB30-STB42, 15CrMo, 12Cr1MOV, 10CrMo910, 12CrMo, 20CrMo, J55, N80, L210, Q320, Q360, L290, etc.
3. Classification:
A. Seamless steel pipe for structural purposes; (GB/T8162-2008, JIS G3441-1994, ASTM A519-98)
B. Seamless steel pipe for low and medium pressure;
(GB/T8163-2008, ASTM A53-98, ASTM192, JIS G3452-1998, JIS G3454-1998, DIN 1629-1984)
C. Seamless steel pipe for high pressure boiler;
(GB/T 5310-2008, ASTM A106-96A, ASTM A213-95A, JIS G3462-1998, DIN17175, BS3059)
D. Hot rolled seamless steel pipe for hydraulic pillar service; (GB/T17398, DIN1629)
E. Seamless steel pipe for petroleum cracking; (GB/T9948, JIS G3441, ASTM A161, A200)
F. Seamless steel pipe for chemical fertilizer equipments; (GB/T6479, ISO2602, ISO9329, ASTM A161-94)
G. Line pipe: Pipe suitable for conveying gas, water, and oil in oil and natural gas industries;
(API 5L, GB/T 9711.1, GB/T9711.2, ISO3183-1.2, JIS G3454, DIN1629, JIS G3452)
4. Dimensions: 20-1219*1.5-30mm
5. Place of Origin: China (Mainland)
6. Surface Treatment: Painting, Coating or oiled
