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●特性及適用范圍: 較高強(qiáng)度、塑性和韌性,淬透性較好,過熱敏感性比錳鋼低、比硅錳鋼高,脫碳傾向比硅錳鋼小,回火脆性大。用于車輛、拖拉機(jī)工業(yè)上制作負(fù)荷較重、應(yīng)力較大的板簧和直徑較大的螺旋彈簧。 ●化學(xué)成份: 碳C :0.56~0.64 硅Si:0.17~0.37 錳Mn:0.70~1.00 硫S :≤0.030 磷P :≤0.030 鉻Cr:0.70~1.00 鎳Ni:≤0.35 銅Cu:≤0.25 ●力學(xué)性能: 抗拉強(qiáng)度σb (MPa):≥1225(125) 條件屈服強(qiáng)度σ0.2 (MPa):≥1078(110) 伸長(zhǎng)率δ5 (%):≥9(供參考) 斷面收縮率ψ (%):≥20 硬度:熱軋,≤321HB;冷拉+熱處理,≤321HB ●熱處理規(guī)范及金相組織: 熱處理規(guī)范:淬火830~860℃,油冷; 回火460~520℃。 ●交貨狀態(tài):熱軋鋼材以熱處理或不熱處理狀態(tài)交貨,冷拉鋼材以熱處理狀態(tài)交貨。
51CrV4(1.8159)的交貨: 依據(jù)不同的交貨狀態(tài)、規(guī)格尺寸、軋制方法、產(chǎn)地等: 51CrV4(1.8159)板材可分別稱為51CrV4(1.8159)板、51CrV4(1.8159)板、51CrV4(1.8159)卷板、51CrV4(1.8159)開平板、51CrV4(1.8159)帶、51CrV4(1.8159)冷軋板、51CrV4(1.8159)熱軋板、51CrV4(1.8159)薄板、51CrV4(1.8159)中板、51CrV4(1.8159)厚板、51CrV4(1.8159)特厚板等。 51CrV4(1.8159)棒材可分別稱為51CrV4(1.8159)圓、51CrV4(1.8159)圓、51CrV4(1.8159)盤圓、51CrV4(1.8159)線材、51CrV4(1.8159)絲材、51CrV4(1.8159)鍛圓、51CrV4(1.8159)圓棒、51CrV4(1.8159)黑棒、51CrV4(1.8159)毛圓、51CrV4(1.8159)光圓、51CrV4(1.8159)車光圓、51CrV4(1.8159)熱軋圓、51CrV4(1.8159)軋圓、51CrV4(1.8159)冷拉圓等。 51CrV4(1.8159)管材可分別稱為51CrV4(1.8159)管、51CrV4(1.8159)管、51CrV4(1.8159)無縫管、51CrV4(1.8159)無縫管、51CrV4(1.8159)焊管、51CrV4(1.8159)焊管、51CrV4(1.8159)精密管、51CrV4(1.8159)精密管、51CrV4(1.8159)毛細(xì)管等。 51CRV4合金鋼規(guī)格:圓棒規(guī)格直徑6mm-350mm,板材規(guī)格厚0.1mm-300mm均有現(xiàn)貨 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 51CRV4合金鋼@核工業(yè)材料、51CRV4合金鋼@航空事業(yè)材料、 ============================================================================== 51CRV4合金鋼彈簧,51CRV4合金鋼軸承,51CRV4合金鋼緊固件,51CRV4合金鋼標(biāo)準(zhǔn)件,51CRV4合金鋼五金沖壓,51CRV4合金鋼沖壓件,51CRV4合金鋼鑄件,51CRV4合金鋼壓鑄. 51CRV4合金鋼鍛件51CRV4合金鋼錠51CRV4合金鋼電渣鋼錠51CRV4合金鋼棒材51CRV4合金鋼板51CRV4合金鋼圓鋼51CRV4不銹鋼中厚板51CRV4合金鋼帶材51CRV4合金鋼法蘭。51CRV4合金鋼絲, 51CRV4 合金合金鋼彈簧絲, 51CRV4合金合金鋼焊絲
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