特價供應ML30CrMnTi低合金冷鐓鋼專業生產冷墩線ML30CrMnTi_冷墩鋼_優特鋼_冶金礦產_貨源

材質：ML30CrMnTi	產地/廠傢：寶鋼	用途：用於制造拖拉機行業中截麵較大的重負荷滲碳件及受力較大的齒輪,齒輪軸,蝸桿等。
倉庫：譽諾2號倉庫	規格：Φ0.5-40

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>.>>>產品描述

>.>>ML30CrMnTi低合金素冷鐓鋼

材料名稱：合金結構鋼牌號：nt face="Arial">30CrMnTi nt>nt face="宋體">標準：nt>nt face="Arial">GB/T 3077-1988nt>

>.>>>ML30CrMnTi低合金冷鐓鋼化學成分

碳 nt face="Arial">C nt>nt face="宋體">：nt>nt face="Arial">0.24nt>nt face="宋體">～nt>nt face="Arial">0.32nt> 矽 nt face="Arial">Sint>nt face="宋體">：nt>nt face="Arial">0.17nt>nt face="宋體">～nt>nt face="Arial">0.37nt>

錳 nt face="Arial">Mnnt>nt face="宋體">：nt>nt face="Arial">0.80nt>nt face="宋體">～nt>nt face="Arial">1.10nt> 鉻 nt face="Arial">Crnt>nt face="宋體">：nt>nt face="Arial">1.00nt>nt face="宋體">～nt>nt face="Arial">1.30nt>

硫 nt face="Arial">S nt>nt face="宋體">：允許殘餘含量≤nt>nt face="Arial">0.035nt>

磷 nt face="Arial">P nt>nt face="宋體">：允許殘餘含量≤nt>nt face="Arial">0.035nt>

鎳 nt face="Arial">Nint>nt face="宋體">：允許殘餘含量≤nt>nt face="Arial">0.030nt>

銅 nt face="Arial">Cunt>nt face="宋體">：允許殘餘含量≤nt>nt face="Arial">0.030nt>

鈦 nt face="Arial">Tint>nt face="宋體">：nt>nt face="Arial">0.04nt>nt face="宋體">～nt>nt face="Arial">0.10nt>

>.>>>ML30CrMnTi低合金冷鐓鋼力學性能

抗拉強度 σnt face="Arial">b (MPa)nt>nt face="宋體">：≥nt>nt face="Arial">1470(150)nt> 伸長率 δnt face="Arial">5 (%)nt>nt face="宋體">：≥nt>nt face="Arial">9nt>

斷麵收縮率 ψ nt face="Arial">(%)nt>nt face="宋體">：≥nt>nt face="Arial">40nt> 沖擊功 nt face="Arial">Akv (J)nt>nt face="宋體">：≥nt>nt face="Arial">47nt>

沖擊韌性值 αnt face="Arial">kv (J/cm2)nt>nt face="宋體">：≥nt>nt face="Arial">59(6)nt> 硬度：≤nt face="Arial">229HBnt> 試樣尺寸：試樣

>.>>>ML30CrMnTi低合金冷鐓鋼

●熱處理規范及金相組織：熱處理規范：淬火nt face="Arial">:nt>nt face="宋體">第一次nt>nt face="Arial">880nt>nt face="宋體">℃nt>nt face="Arial">,nt>nt face="宋體">第二次nt>nt face="Arial">850nt>nt face="宋體">℃nt>nt face="Arial">,nt>nt face="宋體">油冷nt>nt face="Arial">;nt>nt face="宋體">回火nt>nt face="Arial">200nt>nt face="宋體">℃nt>nt face="Arial">,nt>nt face="宋體">水冷、空冷。nt>

金相組織：回火馬氏體。

●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註明。

>.>>>ML30CrMnTi低合金冷鐓鋼應用舉例

用冷鐓加工方法制造緊固件、連接件nt face="Arial">(nt>nt face="宋體">如螺栓、螺母、螺釘、鉚釘等nt>nt face="Arial">)nt>nt face="宋體">用的nt>

鋼稱為冷鐓鋼，俗稱鉚螺鋼。

nt size="3">比nt>nt color="#000000" size="3">20CrMnTint>nt size="3">鋼的強度、淬透性高，但沖擊韌性略低。主要用作滲碳鋼，滲碳後可降溫直接淬火，彎曲強度較高、耐磨性能好。可在淬火低溫回火或調質後使用，切削加工性中等。用於制造拖拉機行業中截麵較大的重負荷滲碳件及受力較大的齒輪、齒輪軸、蝸桿等。nt>

nt size="3"> nt>

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特價供應ML30CrMnTi低合金冷鐓鋼專業生產冷墩線ML30CrMnTi_冷墩鋼_優特鋼_冶金礦產_貨源_批發一路發

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