碳 C :0.35~0.42
硅 Si:0.20~0.45
錳 Mn:0.30~0.60
硫 S :允許殘余含量≤0.035
磷 P :允許殘余含量≤0.035
鉻 Cr:1.35~1.65
鋁 Al:0.70~1.10
鎳 Ni:允許殘余含量≤0.30
銅 Cu:允許殘余含量≤0.30
鉬 Mo:0.15~0.25
●力學性能:
抗拉強度 σb (MPa):≥980(100)
屈服強度 σs (MPa):≥835(85)
伸長率 δ5 (%):≥14
斷面收縮率 ψ (%):≥50
沖擊功 Akv (J):≥71
沖擊韌性值 αkv (J/cm2):≥88(9)
硬度 :≤229HB
試樣尺寸:試樣毛坯尺寸為30mm
熱處理規(guī)范
●熱處理規(guī)范及金相組織:
熱處理規(guī)范:淬火940℃,水冷、油冷;回火640℃,水冷、油冷。
●交貨狀態(tài):以(正火、退火或高溫回火)或不熱處理狀態(tài)交貨,交貨狀態(tài)應在合同中注明 。
●退火annealing No.1 "760±10℃退火,爐冷至400℃空冷。
中外牌號對照
中國GB/T3077: 38CrMoAl
國際標準ISO: 41CrAlMo74
原蘇聯(lián)ГОСТ: 38X2MЮA(38XMЮA)
美國ASTM: -
美國UNS: -
日本JIS: SACM645
德國DIN: 41CrAlMo7 34CrAlMo5
英國BS: 905M39 905M31
法國NF: 40CAD6.12 30CAD6.12
嘉旺合金結(jié)構(gòu)鋼:09MnNb 09Mn2 18Nb 09MnCuPTi 12MnSiCu 14MnNb16Mn 16MnRE 10MnPNbRE 14MnViRE 15MnVN 20Mn2 30Mn2 35Mn2 40Mn2 45Mn2 50Mn2 20MnV30Mn2MoW 27SiMn 35SiMn 42SiMn 20SiMn2MoV 25SiMn2MoV 37SiMn2MoV 40B 45B 40MnB 45MnB20Mn2B 20MnMoB 20MnVB 40MnVB 20MnTiB 25MnTiBRF 20SiMnVB 15Cr 30Cr 35Cr 40Cr 45Cr50Cr 38CrSi 12CrMo 20CrMo 30CrMo 35CrMo 42CrMo 12CrMoV 12Cr1MoV 35CrMoV 24CrMoV25Cr2MoVA 25Cr2Mo1VA 20Cr3MoWVA 38CrMoA1 20CrV 40CrV 50CrVA 15CrMn 20CrMn 40CrMn20CrMnSi 25CrMnSi 30CrMnSi 30CrMnSiA 35CrMnSiA 15CrMnMo 20CrMnMo 40CrMnMo 20CnMnTi30CrMnTi 20CrNi 40CrNi 45CrNi 50CrNi 12CrNi2 30CrNi3 37CrNi3 12Cr2Ni420Cr2Ni4 20CrNiMoA 40CrMiMoA 45CrNiMoVA 18Cr2Ni4WA 25Cr2Ni4WA
俄羅斯合金結(jié)構(gòu)鋼:20Г2,30Г2,35Г2,40Г2,45Г2,50Г2,35CГ,35CГ,15X,20X,30X,35X,40X,45X,38XC,12XM,15XM,20XM,30XM,35XM,12XMΦ,12X1MΦ,25X2M1ΦA,20XΦ,40XΦA,50XΦA,15XГ,18XГ,20XГCA,30XГCA,40XH,20XH3A,30XH3A,38XMIOA,40XHMA
美國合金結(jié)構(gòu)鋼:1330,1335,1340,1345,TS14B35,50B46H,50B40,50B44,5115,5120,5130,5132,5140,51,455,147,A-387Cr. B,4125,4130,4140,4135,6120,6140,6150,5152,3140H,3316,3325,3330,80B20,4340
英國合金結(jié)構(gòu)鋼:150M19,150M28,150M36,En46,En46,523M15,527A19,530A30,530A36,520M40,534A99,620Cr.B,1653,CDS12,CDS110,En20A,1717COS110,708A42,708M40,708A37,735A30,527A60,640M40,653M31,905M39,871M40
日本合金結(jié)構(gòu)鋼:**n420,**n433H,**n438(H),**n443,SCr415(H),SCr420H,SCr430,SCr430(H),SCr440,SCr445,STC42,STT42,STB42,SCT42,STT42,STB42,SCM420,SCM3,SNC236,SNC631H,SNC631,SACM645,SNCM439
法國合金結(jié)構(gòu)鋼:32M5,35M5,40M5,~55M5,12C3,18C3,32C4,42C4,45C4,12CD4,18CD4,25CD4,30CD4,42CD4,35CD4,20NC11,40CAD6.12
德國合金結(jié)構(gòu)鋼:20Mn5,30Mn5,36Mn5,46Mn7,20MnV6,37MnSi5,46MnSi4,15Cr3,20Cr4,28Cr4,34Cr4,41Cr4,13CrMo44,16CrMo44,20CrMo44,25CrMo4,42CrMo4,34CrMo4,13CrMoV42,22CrV4,42CrV6,40NiCr6,20NiCr14,28NiCr10,41CrAlMo07,40NiCrMo22