| 摘要 |
Ferritic stainless steel consisting essentially of, in % by weight, 0.0050 to 0.0500 of C, 10.00 to 18.00 of Cr, up to 0.50 of Si, up to 0.50 of Mn, more than 0.040 but not more than 0.200 of P, up to 0.030 of S, up to 0.60 of Ni, 0.005 to 0.200 of Sol. Al, and 0.0020 to 0.0050 of B, the balance being Fe and impurities, and having a longitudinal cracking transition temperature of not higher than -10 DEG C. as determined by the cup expansion test hereinbefore described. The steel has excellent formability and secondary workability.
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