Q345,Q390,Q420,Q460

GB/T1591

Makes mechanical device and other structural elements like drilling machine, power shovel, electricity drive wheel counter- mine trolley, mineral product automobile, excavator, car loader, bulldozer, each kind of hoist crane, coal mine hydraulic pressure support which were widely used in workshop, the general construction and each kind of project machinery, like the mine and each kind of project construction.

12Mn,15MnVN,16Mn,15MnV

GB1591

Q295(A,B),Q345(A,B,C,D,E)

GB1591

SM520(B,C),SM570

JISG3106

St44-3,St37-2,St52-3,St50-2

DIN17100

St60-2,St70-2

DIN17100

StE315,StE355,StE380

BS4360

StE420,StE460,StE500,StE520

A572(Gr42,50,55,60,65), 

ISO4950-2

S275(JR,J0,J2,J2G3,J2G4)

EN10025

S355(JR,J0,J2,J2G3,J2G4)

EN10025

S420N,S420NL,S450JO,S460N,

EN10025

WH60,WH410LK(BB41BF)