常用材料化学成分和力学性能.doc

钢号质量等级化学成分（%）σs (MPa)σb(MPa)CMnSiSP钢材厚度（直径，mm）≤16＞16～40＞40～60＞60～100≤Q195—0.06～0.120.25～0.50.30.0500.045(195)（185）——315～390Q215A0.09～0.150.25～0.550.30.0500.045215205195185335～410B0.045Q235A0.14～0.220.25～0.50.30.0500.045235225215205375～460B0.12～0.20.25～0.50.045C≤0.180.35～0.80.040.04D≤0.170.0350.035Q255A0.18～0.280.4～0.70.30.0500.045255245235225410～510B0.045Q275—0.28～0.380.5～0.80.350.0500.045275265255245490～610Q3450.12～0.21.2～1.6Si：0.2～0.6280～350480～520钢号化学成分（%）力学性能σs(MPa)σb(MPa)δ5(%)ψ(%)Ak(J)CMnSiSP≤≥08F0.05～0.110.25～0.5≤0.030.035175295356010F0.07～0.140.25～0.5≤0.07185315335515F0.12～0.190.25～0.5≤0.072053552955080.05～0.120.35～0.650.17～0.371953253360100.07～0.140.35～0.650.17～0.372053353155150.12～0.190.35～0.650.17～0.372253752755200.17～0.240.35～0.650.17～0.372454102555250.22～0.30.5～0.80.17～0.37275450235071300.27～0.350.5～0.80.17～0.37295490215063350.32～0.40.5～0.80.17～0.37315530204555400.37～0.450.5～0.80.17～0.37335570194547450.42～0.50.5～0.80.17～0.37355600164039500.47～0.550.5～0.80.17～0.37375630144031550.52～0.60.5～0.80.17～0.373806451335600.57～0.650.5～0.80.17～0.374006751235650.62～0.70.5～0.80.17～0.374106951030700.67～0.750.5～0.80.17～0.37420715930750.72～0.80.5～0.80.17～0.378801080730800.77～0.850.5～0.80.17～0.379301080630850.82～0.90.5～0.80.17～0.37980113063015Mn0.12～0.190.7～1.00.17～0.37245410265520Mn0.17～0.240.7～1.00.17～0.37275450245025Mn0.22～0.30.7～1.00.17～0.3729549022507130Mn0.27～0.350.7～1.00.17～0.37315540204563 / 35Mn0.32～0.40.7～1.00.17～0.370.03533556019455540Mn0.37～0.450.7～1.00.17～0.3735559017454745Mn0.42～0.50.7～1.00.17～0.3737562015403950Mn0.48～0.560.7～1.00.17～0.3739064513403160Mn0.57～0.650.7～1.00.17～0.37410695113565Mn0.62～0.70.9～1.20.17～0.3743073593070Mn0.67～0.750.9～1.20.17～0.3745078583018MnMoNb钢化学成分（%）力学性能CMnSiNbMoσs(MPa)σb(MPa)δ5(%)0.17～0.231.35～1.650.17～0.370.025～0.050.45～0.65450～500600～65016～17 友情提示：方案范本是经验性极强的领域，本范文无法思考和涵盖全面，供参考!最好找专业人士起草或审核后使用。