42CrMoA小規(guī)格圓棒
42CrMoA許用應(yīng)力
42CrMo許用應(yīng)力186~310/MPa,屈服點(diǎn)930σs/MPa,42CrMo強(qiáng)度、淬透性高,韌性好,淬火時(shí)變形小,高溫時(shí)有高的蠕變強(qiáng)度和持久強(qiáng)度。42CrMo用于制造要求較35CrMo鋼強(qiáng)度更高和調(diào)質(zhì)截面更大的鍛件。
42CRMOA力學(xué)性能
抗拉強(qiáng)度 σb (MPa):≥1080(110)
屈服強(qiáng)度 σs (MPa):≥930(95)
伸長(zhǎng)率 δ5 (%):≥12
斷面收縮率 ψ (%):≥45
42CrMoA熱處理
退火annealing No.1 "760±10℃退火,爐冷至400℃空冷。HB220-230
正火normalize No.4 860±10℃正火,出爐空冷。
調(diào)質(zhì)quenching+tdivpering No.5 840±10℃淬水或油(視產(chǎn)品型狀復(fù)雜程度),680-700度回火HB<217
調(diào)質(zhì)quenching+tdivpering No.6 840±10℃淬油,再470度回火處理。 HRC41-45
調(diào)質(zhì)quenching+tdivpering No.7 840±10℃淬油,再480度回火處理。 HRC35-45
調(diào)質(zhì)quenching+tdivpering No.8 850℃淬油,再510度回火處理。 HRC38-42
調(diào)質(zhì)quenching+tdivpering No.9 850℃淬油,再500度回火處理。 HRC40-43
調(diào)質(zhì)quenching+tdivpering No.10 850℃淬油,再510℃回火處理。 HRC36-42
調(diào)質(zhì)quenching+tdivpering No.11 850℃淬油,再560℃回火處理。 HRC32-36
調(diào)質(zhì)quenching+tdivpering No.12 860℃淬油,再390度回火處理。 HRC48-52
20Cr,5120,SCr420,35Cr,SCr435,37Cr4,5135,40Cr,SCr440,41Cr4,5140,15CrMo,SCM415,13CrMo4-5,20CrMo,SCM418,18CrMo4,25CrMo4,20CrMnMo,20MnCr5,4320H,4118H,8520H,20CrNiMo,805M20,20NCD2,8720,20CrNiMo2,1.6523,70M40,EN41B,B5F4K2,EN-19C,35CrMo,SCM435,4137,34CrMo4,1.7220,35CrMoV,31CrMoV9,42CrMo,SCM440,SCM420,SCM421 ,SCM425,SCM430,8620,SCM432,SCM445,SCM822,SCM445,4170,42CrMo4,1.7225,4140,40CrMnMo,42CrMoA,38CrMoAL,SACM645,34CrALMo5,41CrALMo7,1.8509,20CrMnTi,40CrNIMoA,SNCM432,4340,36CrNiMo4,1.6511,40CrH,4130,16Mn,T10,30CrMo,SCM430,16MnCr5,16MnCr5H,SMnC420,5120H,17CrNiMo6,34CrNiMo6,18CrNiMo7-6,50CrVA,SUP10,SUP9,6150,51CrV4,1.8759,60Si2Mn,65Mn,1065,1050,1070,9260,61SiCr7,1.7108,60Si2MnA,50CrV4,SK3,SK4,SK5,SK7,SUJ2,GCr15,52100,100Cr6,9Cr18MoV,SUS440C,GCr15SiMo,GCr15SiMn,SNCM420,SNCM220,S44004,X108CrMo17,SMn420,SMn433,SMn438,SMn443,SCr415,SCr420 ,SCr430 ,SCr440 ,SCr445 ,SNC236,SNC415,SNC631,SNC815,SNC836,SNCM415,SNCM431,SNCM21,SNCM420,SNCM220,SNCM439,SNCM447,SNCM616,SNCM625,SNCM630,SNCM815,SACM645