供应调质型高强度钢板WH785D

2016-05-18 328 0
核心提示:化学性能:C0.12Si0.40Mn1.8P0.025S0.015Ni0.75Cr0.70Mo0.50Nb0.060Ti0.020B0.0020力学性能:Rel Mpa685Rm Mpa785标距(mm)LO=5

 化学性能:

C

≤0.12

Si

≤0.40

Mn

≤1.8

P

≤0.025

S

≤0.015

Ni

≤0.75

Cr

≤0.70

Mo

≤0.50

Nb

≤0.060

Ti

≤0.020

B

≤0.0020

力学性能:

Rel  Mpa

≥685

Rm Mpa

≥785

标距(mm)

LO=50

A%

≥15

180°弯曲试验

d=3a

冲击试验Akv J

-20℃冲击≥40

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