Description

The varieties, standards, common grades and foreign standards of seamless steel pipes are as follows:

# Seamless Steel Pipes for High-pressure Boilers
Standard: GB5310-2008
Common Grades: 20G, 20MnG, 25MnG, 15MoG, 20MoG, 12Cr1MoVG, 15CrMoVG, 12Cr2MoG, 12Cr2MoWVTiB, 12Cr3MoVSiTiB
Common Foreign Standards: ASTM A106-96a, ASTM A210C, ASTM A213-95a, JIS G3461-1988, JIS G3462-1998, DIN 17175-1979, BS3059: Part 2:1990

# Seamless Steel Pipes for Low and Medium-pressure Boilers
Standard: GB3087-2008
Common Grades: 10#, 20#
Common Foreign Standards: ASTM A179, ASTM A192, ASTM SA179, SA192

# Seamless Steel Pipes for Structural Purpose
Standard: GB/T8162-2008
Common Grades: 10, 20, 35, 45, 40Mn2, 45Mn2, 27SiMn, 20Cr, 40Cr, 20CrMo, 35CrMo, 38CrMoAl, 50CrV, 30CrMnSi, ASTM A500-98
Common Foreign Standards: ASTM A501-98, ASTM A519-98, JIS G3441

# Seamless Steel Pipes for Fluid Transportation
Standard: GB/T8163-2008
Common Grades: 10#, 20#, Q295, Q345
Common Foreign Standards: ASTM A53-98, ASTM A192, ASME S192, JIS G3452-1998, JIS G3454-1998, DIN 1629-1984

# High-pressure Seamless Steel Pipes for Chemical Fertilizer Equipment
Standard: GB6479-2000
Common Grades: 10#, 20G, Q345, Q390, 10MoVNb, 12CrMo, 15CrMo, 12Cr2Mo
Common Foreign Standards: ISO 9329-2-1997, ASTM A161-94