SK，直边，相当于JISA等级，未淬火，2000mm 铁轨类型直边（A级） R-A2000

Nominal dimensions (mm): 2000
Length (mm): 2000
Width (mm): 50
Straightness (μm): 10
Type: Hardened product
Shape: Work type
Height (mm): 120
JIS grade: A grade equivalent
Nominal dimensions (mm): 2000

主体：机械结构的碳钢

56kg

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