钣金材料

选择钣金材料加工时要考虑的因素:

材料

表面处理

屈服强度 (MPa)

拉伸强度 (MPa)

硬度

国标

喷粉

电泳

镀锌

达克罗

氧化

钝化

冷轧钢 (CRS)

SPCC

X

X

X

X

≥210

≥350

HB 65 – 80

JIS G3141-2009

SAPH440

X

X

X

X

≥305

≥440

HB 80 ±30

Q/BQB 310-2009

热轧钢

Q235

X

X

X

X

≥235

375 – 500

HB 120 ±40

GB/T 700-2006

Q345

X

X

X

X

≥345

490 – 675

HB 120 ±40

GB/T 1591-2008

弹簧钢

65Mn 锰钢

X

X

≥785

≥980

HB 190 – 340

GT/T 1222-2007

铝材

AL1060

X

X

≥35

≥75

HB 26 ±5

GB/T 3190-2008

AL6061 T6

X

X

≥276

≥260

HV 15 – 18

GB/T 3190-2008

AL6063 T5

X

X

≥170

≥250

HB 25 ±5

GB/T 3190-2008

AL5052 H32

X

X

≥70

210 – 260

HV 11 ±2

GB/T 3190-2008

不锈钢

SS301

X

X

≥205

≥520

HB 76 – 187

GB/T 8170-2008

SS304

X

X

≥205

≥520

HB 76 – 187

GB/T 24511-2009

SS316

X

X

≥205

≥520

HB 76 – 187

GB/T 24511-2009

冷镀锌钢

SGCC

X

≥200

≥380

HB 50 – 65

JIS-G3302

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