B750L steel Mechanical Properties
Designation
(Thickness)
|
Welding wire
|
pass
|
Q
Heat input (KJ/mm)
|
Tensile test
|
|
Rm(MPa)
|
Breaking point
|
||||
B750L(8mm)
|
HS80
|
2 layers 3 passes
|
0.8
|
835
|
（HAZ）
|
B750L(8mm)
|
BHG-4
|
2 layers 3 passes
|
0.8
|
835
|
（HAZ）
|
B750L(8mm)
|
GMn3Ni1CrMo
|
2 layers 3 passes
|
0.8
|
820
|
（HAZ）
|
B750L steel Mechanical Properties
Grade
|
Yield strength
(MPa)
|
Tensile strength
(MPa)
|
Elongation (%)
|
180 degree cold bend, diameter
|
|
Thickness＜3mm
Lo=80mm, b=20mm
|
Thickness≥3mm
L0=5.65√S0
|
||||
B750L
|
≥750
|
800-950
|
≥10
|
≥12
|
2.0a
|
B750L steel plate application :
B750L Hot-rolled high strength steel sheets widely used in wheel, beam, carriage, axle, drive shaft, chassis, suspension and other important parts etc.
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