Seamless Steel Tubes for Boilers

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 purposes

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 SA192, 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