10#精密钢管 0.07~0.13 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035

精密钢管

　　35# 精密钢管0.32~0.39 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035

　　45#精密钢管 0.42~0.50 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035

　　40cr 精密钢管0.37~0.44 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 0.08~1.10

　　25Mn 精密钢管0.22~0.2 0.17~0.37 0.70~1.00 ≤0.035 ≤0.035 ≤0.25

　　37Mn5精密钢管 0.30~0.39 0.15~0.30 1.20~1.50 ≤0.015 ≤0.020