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[供應]20NCD2材料圓棒
- 產品產地:進口
- 產品品牌:國標
- 包裝規格:20NCD2
- 產品數量:100000
- 計量單位:KG
- 產品單價:17
- 更新日期:2024-12-22 14:51:49
- 有效期至:2025-12-22
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20NCD2材料圓棒
詳細信息
20NCD2合金鋼
20NCD2價格,20NCD2鋼材,20NCD2圓鋼,20NCD2材料
20NCD2性能,20NCD2廠家,20NCD2硬度,20NCD2特性
佳洲金屬直銷20NCD2合金鋼力學性能
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20NCD2是一種常用的合金滲碳鋼,滲碳處理后表面有相當高的硬度、耐磨性和接觸疲勞強度,同時心部還保留良好的韌性,能承受高的沖擊負荷。20NCD2軸承等耐沖擊、耐磨損零件的材料。20NCD2用途:20NCD2圓鋼的淬透性較高,無回火脆性,焊接性相當好,形成冷裂的傾向很小,可切削性及冷應變塑性良好。一般在調質或滲碳淬火狀態下使用.
20NCD2化學成分:
質量分數(%):
碳C:0.17~0.23
硅Si:0.17~0.37
錳Mn:0.60~0.95
硫S:允許殘余含量≤0.035
磷P:允許殘余含量≤0.035
鉻Cr:0.40~0.70
鎳Ni:0.35~0.75
鉬Mo:0.20~0.30
銅Cu:允許殘余含量≤0.30
20NCD2力學性能:
【試樣毛坯尺寸】15mm
【熱處理】
淬火加熱溫度(℃):850;冷卻劑:油
回火加熱溫度(℃):200;冷卻劑:空
抗拉強度σb(MPa):≥980(100)
屈服強度σs(MPa):≥785(80)
伸長率δ5(%):≥9
斷面收縮率ψ(%):≥40
沖擊功Akv(J):≥47
沖擊韌性值αkv(J/cm2):≥59(6)布氏硬度(HBS100/3000)(退火或高溫回火狀態):≤197
交貨狀態:以熱處理(正火、退火或高溫回火)或不熱處理狀態交貨,交貨狀態應在合同中注明。
1330H,1335H,1340H,1345H,4027H,4028H,4032H4037H4042H4047H4118H4130H4135H4137H4140H4142H4145H4147H4150H4161H4320H4340H4340H4419H4620H4621H4626H4718H4720H4815H4817H4720H50B40H50B44H5046H50B46H50B50H50B60H5120H5130H5132H5135H5140H5145H5147H5150H5155H5160H51B60H6118H6150H81B45H8617H8620H8622H8625H8627H8630H86B30H8637H8640H8642H8645H86B45H8650H8655H8660H8720H8740H8822H9260H9310H94B15H94B17H94B30H1038H1045H1522H1524H1526H1541H15B21H15B35H15B37H15B41H15B48H15B62H 
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,805M20,20NCD2,8720,20CrNiMo2,1.6523,35CrMo,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
20NCD2是什么材料
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