■ Tube for Structures

Standard:

GB/T 8162 China National Standard

Q/BQB 203 Baosteel Corporation Standard

DIN 1629 Deutsche Industrie Normen

Uses:

For manufacture of pipelines,vessels,equipment,pipe fittings and steel structures.

 

■ Tube for Conveyance of Fluid

Standard:

GB/T 8163 China National Standard

ASTM A 53M Standard of American Society for Testing & Materials

ASTM A 106M Srandard of American Society for Testing & Materials

JIS G 3454 JIS G 3455 JIS G 3456 Japanese Industrial Standard

Uses:

For conveying oil, gas and other fluids.

 

■ Tube for Geological Drilling

Standard:

Q/BQB 230 Baosteel Corporation Standard

YB 235 Standard of China Metallurgical Industry

YB/T 5052 Standard of China Metallurgical Industry

Uses:

For geological drilling.

 

■ Seamless Steel Tubes for Gas Cylinder

Standard:

GB 18248 China National Standard

Uses:

For manufacturing gas cylinder

 

■ Seamless Steel Tubes for Automobile

Standard:

YB/T 5035 Standard of China Metallurgical Industry

GB/T 8162 China National Standard

MAL 010 Baosteel Delivery Technical Requirement

Uses:

For manufacturing auto axle and housing.

 

■ Seamless Steel Tubes for Hydraulic Prop

Standard:

GB/T 17396 China National Standard

Uses:

For manufacturing cylinder and piston of hydraulic props for coal mine or other purposes.