4140圓鋼4140鋼板,4140合金鋼,4140價格
4140拉力鋼,4140鋼材,4140廠家
佳洲金屬專業(yè)直銷4140合金鋼板,4140合金鋼性能。
進(jìn)口4140合金鋼棒、4140是什么材料?廣東進(jìn)口4140鋼材用途、4140鋼材用途、進(jìn)口4140冷拉圓鋼價格、佳洲進(jìn)口4140鉻鉬鋼棒材、進(jìn)口4140力學(xué)性能、進(jìn)口4140合金結(jié)構(gòu)鋼、佳洲批發(fā)進(jìn)口4140鋼材、進(jìn)口4140圓鋼價格、4140圓棒廠家、4140鋼材密度、進(jìn)口4140鋼材成份、進(jìn)口合金鋼牌號、進(jìn)口合金鋼棒廠家、佳洲進(jìn)口合金鋼
合金結(jié)構(gòu)鋼 :4140
執(zhí)行標(biāo)準(zhǔn): ASTM-A29/A29M-04
●特性及適用范圍:
強(qiáng)度、淬透性高,韌性好,淬火時變形小,高溫時有高的蠕變強(qiáng)度和持久強(qiáng)度。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,如機(jī)車牽引用的大齒輪、增壓器傳動齒輪、后軸、受載荷極大的連桿及彈簧夾,也可用于 2000m以下石油深井鉆桿接頭與打撈工具等。
●4140合金鋼化學(xué)成份:
碳 C :0.38~0.43
硅 Si:0.15~0.35
錳 Mn:0.75~1.00
硫 S :允許殘余含量≤0.040
磷 P :允許殘余含量≤0.030
鉻 Cr:0.80~1.10
鎳 Ni:允許殘余含量≤0.030
銅 Cu:允許殘余含量≤0.030
鉬 Mo:0.15~0.25
4140合金鋼力學(xué)性能:
抗拉強(qiáng)度 σb (MPa):≥1080(110)
屈服強(qiáng)度 σs (MPa):≥930(95)
伸長率 δ5 (%):≥12
斷面收縮率 ψ (%):≥45
沖擊功 Akv (J):≥63
沖擊韌性值 αkv (J/cm2):≥78(8)
硬度 :≤217HB
試樣尺寸:試樣毛坯尺寸為25mm
熱處理規(guī)范及金相組織:
熱處理規(guī)范:淬火850℃,油冷;回火560℃,水冷、油冷。
金相組織:回火索氏體。
交貨狀態(tài):以熱處理(正火、退火或高溫回火)或不熱處理狀態(tài)交貨。
1330H,1335H,1340H,1345H,4027H,4028H,4032H,4037H,4042H,4047H,4118H,4130H,4135H,4137H,4140H,4142H,4145H,4147H,4150H,4161H,4320H,4340H,4340H 4419H 4620H 4621H 4626H 4718H 4720H 4815H 4817H 4720H 50B40H 50B44H 5046H 50B46H 50B50H 50B60H 5120H 5130H 5132H 5135H 5140H 5145H 5147H 5150H 5155H 5160H 51B60H 6118H 6150H 81B45H 8617H 8620H 8622H 8625H 8627H 8630H 86B30H 8637H 8640H 8642H 8645H 86B45H 8650H 8655H 8660H 8720H 8740H 8822H 9260H 9310H 94B15H 94B17H 94B30H 1038H 1045H 1522H 1524H 1526H 1541H 15B21H 15B35H 15B37H 15B41H 15B48H 15B62H
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,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,SNCM439,SNCM447,SNCM616,SNCM625,SNCM630,SNCM815,SACM645
4140材料 4140價格