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精密钢管常用材质及化学成分

精密钢管常用材质及化学成分特点如下:


10# 0.07~0.13 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035 ,


20# 0.17~0.23 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035  ,


35# 0.32~0.39 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035  ,


45# 0.42~0.50 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 , 40cr 0.37~0.44 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 0.08~1.10 ,


25Mn 0.22~0.2 0.17~0.37 0.70~1.00 ≤0.035 ≤0.035 ≤0.25,


37Mn5 0.30~0.39 0.15~0.30 1.20~1.50 ≤0.015 ≤0.020。

精密钢管常用材质及化学成分特点如下:


10# 0.07~0.13 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035 ,


20# 0.17~0.23 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035  ,


35# 0.32~0.39 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035  ,


45# 0.42~0.50 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 , 40cr 0.37~0.44 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 0.08~1.10 ,


25Mn 0.22~0.2 0.17~0.37 0.70~1.00 ≤0.035 ≤0.035 ≤0.25,


37Mn5 0.30~0.39 0.15~0.30 1.20~1.50 ≤0.015 ≤0.020。

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