Product name

desingnation

desingnation meaning

executive standard

purpose

low-alloy high strength steel plates

Q345/Q390

Q-Steel the yield point "yield" the word is the first Chinese phonetic alphabet; Numerical-represent the yield point;

GB/T1591-94

Used for engineering machinery, steel structure, Bridges, buildings, etc, and has good strength, toughness and welding performance. Manufacturing plant, general construction and all kinds of engineering machinery, such as mining and all kinds of engineering construction with drill, excavator, electric round the DouChe, mine car, excavator, loaders, bulldozer, all kinds of crane, hydraulic support coal mine machinery equipment and other structures.

Q420

Q460

AH60

AH-Representatives of angang high strength steel;

60,70-Representative tensile strength were mostly congregated for 60 kg category.

The enterprise standard or the technical agreement

AH70DB