JIS G3141 SPCC-1B. −. H1B_EP. 85 ∼ 101. 低硬度. Low. Hardness. JIS G3141 SPCC-1B. −. H1B_H1. 85 ∼ 97. 1/2 硬板. 1/2 Hard. JIS G3141 SPCC-2B.
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