Main steel grade

Carries out the standard

S460Q,S460QL,S460QL1 S500Q,S500QL,S500QL1, S550Q,S550QL,S550QL1, S620Q,S620QL,S620QL1,

S690Q,S690QL,S690QL1, S890Q,S890QL,

S890QL1, S960Q,S960QL,S960QL1
P355M,P355ML1,P355ML2,P420M,P420ML1,P420ML2,


P460M,P460ML1 P460ML2,
S275M,S355M,S420M,S460M,S275ML,
S355ML,S420ML,S460ML



12Mn,15MnVN,16Mn,15MnV
14MnNb
Q295(A,B),Q345(A,B,C,D,E)
Q390(A,B,C,D,E)
Q420(A,B,C,D,E)
Q460(C,D,E)
Q500(D,E),Q550(D,E),
Q620(D,E),Q690(D,E) Q850, Q490(A,B,C),SM490Y(A,B)
SM520(B,C),SM570
SS490,SS540
St44-3,St37-2,St52-3,St50-2
St60-2,St70-2
StE315,StE355,StE380
StE420,StE460,StE500,StE520
A572(Gr42,50,55,60,65), A588(GrA,B,C,K), A514(GrA,B,L,E,F,H,J,K,M,P,Q,R,S,T)
A633M(A,C,D,E),A633(GrA,C,D,E),A871(Gr60,65) S235(JR,J0,JRG1, JRG2,J2G3,J2G4)
S275(JR,J0,J2,J2G3,J2G4)
S355(JR,J0,J2,J2G3,J2G4,K,K2G3,K2G4) S450JO
E395,E335,E360
S275N,S275NL,S355N,S355NL
S420N,S420NL,S450JO,S460N,S460NL
50(A,B,C,D,DD,EE,F),40(A,B,C,D,EE)
43(A,B,C,D,EE),55(A,EE,F)
WH60,WH410LK(BB41BF)
WH490LK(BB503)
E355(DD,E),E460(CC,DD,E)
E420(DD,E),E460(DD,E)
E550(DD,E),E690(DD,E)
Fe430(A,B,C,D)
Fe510(B,C,D)
WStE380, WStE420, WStE460, WStE520,TStE380, TStE420 TstE460, TstE520,EstE380, EstE420,EstE460,EstE520

GB1591
GB/T1591
JIS G 3106
JIS G 3101
GB/T16270
JIS G 3106
JIS G 3101
DIN17100
DIN17102
ASTM
EN10025
EN10113
BS4360
ISO4950-2
ISO4950-3
ISO630 EN10025-6

Main use

Makes mechanical device and other structural elements and so on 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 the workshop, the general construction and each kind of project machinery, like the mine and each kind of project construction uses.