Double Submerged Arc Welded Steel Pipe
Specifications China Standard Steel Grade Standard
seamless steel tubes
and pipes

for structural purpose

 

 
 GB/T8162-1999 10, 20, 35, 45, 40Mn2, 45Mn2, 27SiMn, 20Cr, 40Cr, 20CrMo, 35CrMo, 38CrMoA1, 50CrV, 30CrMnSi ASTM A500-98
ASTM A501-98

ASTN A519-98

JIS G3441-1994

JIS G3444-1994
 
Seamless steel tubes and pipes for
liquid service

 

 

 

 
 GB/T8163-1999 10, 20, Q295, Q345 ASTM A53-98
ASTM A192

ASME S192

JIS G3452-1998

FIS G3454-1998

DIN 1629-1984
 
seamless steel tubes
and pipesfor casing
 API SPEC 5CT J55, N80 API
Seamless steel tubes for
oil casing and

tubing in oil wells
 APE SPEC 5L A, B, X42 API
Seamles Steel Tubes
and Pipes for

High Pressure Boiler

 

 

 
 GB5310-1995 20G, 20MnG, 25MnG, 15MoG, 20MoG, 12Cr1MoVG, 15CrMoVG, 12Cr2MoG, 12Cr2MoWVTiB, 12Cr3MoVSiTiB, ASTM A106-96a
ATSM A213-95a

JIS G3461-1988

JIS G3462-1998

DIN 17175-1979

BS3059Part 21990
 
Seamless Steel Tubes
for low and Medium Pressure Boilers

 
 GB3087-1999 10, 20 ASTM A179, ASTM A192
ASTM SA179,SA192,

BS3059
 
Seamless Steel Tubes
 for high pressure --Chemical fertilizer equipment
 GB6479-86 10, 20G, Q345, Q390, 10MoVNb, 12CrMo, 15CrMo, 12Cr2Mo ISO 9329-2-1997
ASTM A161-94
 
Seamless steel tubes
for petroleum cracking
 GB9948-86 10, 20, 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo,   JIS G3441-1988