1 Main use
Steel for automobile drive shaft tube series, special steel for axle tube for automobile supporting pipe factory
2 grades and standards
Grade 440QZ 480QZ 700QZ; Standard: "Technical Agreement for Steel Hot Rolled Steel Sheet for Shaft Tubes".
3 Technical conditions of supply
3.1 Product Specifications
2.0~19×800~1650×C
3.3 Mechanical properties
Steel Grade | Tensile test (transverse) | 180 ° Cold Bending Test B=35mm | ||
Tensile Strength Rm (MPa) | Yield Strength ReL (MPa) | Elongation A50 (%) | ||
AG440QZ | 500-600 | ≥440 | ≥22 | 2a |
AG480QZ | 550-650 | ≥470 | ≥22 | 2a |
AG700QZ | ≥690 | ≥550 | ≥16 | 2a |