1.7225拉光圓
1.7225小圓棒硬度,1.7225小圓棒用途,1.7225小圓棒密度,1.7225小圓棒規(guī)格 1.7225小圓棒價格,1.7225小圓棒廠家,1.7225小圓棒性能,1.7225小圓棒硬度 佳洲金屬批發(fā)進口1.7225合金鋼棒、1.7225是什么材料?進口1.7225冷拉圓鋼價格、1.7225鉻鉬鋼棒材、進口1.7225力學性能、進口1.7225合金結(jié)構(gòu)鋼、進口1.7225鋼材、進口1.7225圓鋼價格、1.7225圓棒廠家、1.7225棒材、1.7225鋼材密度、進口1.7225鋼材成份、1.7225進口合金鋼牌號、進口合金鋼棒廠家、進口合金鋼圓棒 1.7225是一種工業(yè)材料。1.7225用于制造要求較35CrMo鋼強度更高和調(diào)質(zhì)截面更大的鍛件,如機車牽引用的大齒輪、增壓器傳動齒輪、后軸、受載荷極大的連桿及彈簧夾,1.7225也可用于2000m以下石油深井鉆桿接頭與打撈工具等。 1.7225概述: 1.7225化學成份: 硅 Si:≤0.40 錳 Mn:0.60~0.90 硫 S :允許殘余含量≤0.035 磷 P :允許殘余含量≤0.035 鉻 Cr:0.90~1.20 鉬 Mo:0.15~0.30 1.7225力學性能: 屈服強度 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 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
特性:1.7225強度、淬透性高,韌性好,淬火時變形小,高溫時有高的蠕變強度和持久強度。
碳 C :0.38~0.45
抗拉強度 σb (MPa):≥1080(110)
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