硅 Si：≤1.00
錳 Mn：≤1.00
鉻 Cr：11.50～13.50
鎳 Ni：允許含有≤0.60
抗拉強(qiáng)度 σb (MPa)：淬火回火,≥540
條件屈服強(qiáng)度 σ0.2 (MPa)：淬火回火,≥345
伸長(zhǎng)率 δ5 (％)：淬火回火,≥25
斷面收縮率 ψ (％)：淬火回火,≥55
沖擊功 Akv (J)：淬火回火,≥78
】硬度 ：退火,≤200HB;淬火回火,≥159HB
用途 冶金軋輥堆焊；軌道輥修復(fù)
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說(shuō)明:2Cr13是堿性藥皮的Cr13不銹鋼焊條，采用直流反接，可進(jìn)行全位置焊接。 |
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