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Advanced Automotive Structural Steel
Bainite Dual Phase Steel: FB450, FB590, FB780;
Martensite Dual Phase Steel: DP600, DP780
- Commodity name： Advanced Automotive Structural Steel
Detailed
- Product Description
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Dual Phase Steel:
Mechanical Property of Bainite Dual Phase Steel
Steel grades Available thickness Yield strength Tensile strength Elongation after fracture， A80mm Hole
expansion rate180° Cold bending MPa MPa % % b=35mm FB450 1.5–6.0 ≥300 450–530 ≥24 ≥80 d=0.5a FB590 1.5–6.0 440–620 ≥580 ≥ 14 ≥75 d= 1.0a FB780 1.5–6.0 600–800 ≥780 ≥ 12 ≥55 d=2.0a Remark: 1）a is test thickness, B is width of cold bending test, d is bending diameter. 2）The direction of stretching sample is Longitudinal, i.e. P14 sample in GB/T 228. The direction of cold bending is transverse, i.e. GB/T 232 flap type test. Mechanical Property of Martensite Dual Phase Steel
Steel grade Available thickness Yield strength Tensile strength Elongation after fracture
,A80mmn value 180° Cold bending MPa MPa % % b=35mm DP600 1.5~6.0 330~470 ≥580 ≥ 19 ≥0.14 d = 1.0a DP780 1.5~6.0 450~610 ≥780 ≥ 14 ≥0.11 d = 2.0a Remark:1）a refer to sample thickness, B refer to width of cold bending sample, d refers to bending diameter。2）The direction of stretching sample is Longitudinal, i.e.P14 sample in GB/T 228. The direction of cold bending sample is transverse, i.e. GB/T 232 flap type test.
Keywords:
Hot-rolled, cold-rolled, hot-dip galvanized, silicon steel, steel pipes, steel structures
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