SK正常直缘等于JISA等级，硬化450mm 直边标准类型（A级，硬化） S-A450H

Nominal dimensions (mm): 450
Kinting hardness (HV): 490-620
Length (mm): 450
Width (mm): 40
Straightness (μm): 19
Type: Hardened product
Shape: Normal type
Height (mm): 5
JIS grade: A equivalent
Nominal尺寸（mm）：450
Kinting硬度（HV）：490-620

主体：机械结构的碳钢

700G

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