High strength plate steel for welded structure BWELDY700QL2, BWELDY700QL4,…
Available materials(Product Standards: BZJ 611-2013)
Grade
Thickness(mm)
BWELDY700QL2
10-80
BWELDY700QL4
Mainly used for the excavator, forklft, concrete mixter, motocrane, hydraulic support and huge hoist.
BWELDY900QL2
10-50
BWELDY900QL4
BWELDY960QL2
BWELDY960QL4
BWELDY1100QL2
BWELDY1100QL4
Mainly used for the excavator, forklft, concrete mixter, motocrane, hydraulic support and huge hoist.
Chemical composition
Grade
Chemical composition%
C
Si
Mn
P
S
Nb
Ti
V
Al
BWELDY700QL2
≤0.18
≤0.50
≤1.60
≤0.025
≤0.015
≤0.05
≤0.05
≤0.06
≥0.018
BWELDY700QL4
≤0.18
≤0.50
≤1.60
≤0.020
≤0.010
≤0.05
≤0.05
≤0.06
≥0.018
BWELDY900QL2
≤0.20
≤0.50
≤1.70
≤0.025
≤0.015
≤0.05
≤0.05
≤0.06
≥0.018
BWELDY900QL4
≤0.20
≤0.50
≤1.70
≤0.020
≤0.010
≤0.05
≤0.05
≤0.06
≥0.018
BWELDY960QL2
≤0.20
≤0.50
≤1.70
≤0.025
≤0.015
≤0.05
≤0.05
≤0.06
≥0.018
BWELDY960QL4
≤0.20
≤0.50
≤1.70
≤0.020
≤0.010
≤0.05
≤0.05
≤0.06
≥0.018
Mechanical properties
Grade
Thickness
Mechanical properties
YS(MPa)
TS(MPa)
EL%
BWELDY700QL2
≤50
≥700
770-940
≥14
>50
≥670
760-930
≥14
BWELDY700QL4
≤50
≥700
770-940
≥14
>50
≥670
760-930
≥14
BWELDY900QL2
≤50
≥900
940-1150
≥12
>50
–
–
≥12
BWELDY900QL4
≤50
≥900
940-1150
≥12
>50
–
–
≥12
BWELDY960QL2
≤50
≥960
980-1150
≥12
>50
–
–
≥12
BWELDY960QL4
≤50
≥960
980-1150
≥12
>50
–
–
≥12
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