T1(ET1)高速工具鋼,T1(ET1)高速鋼,圓棒,板材,可切割毛料,洗磨精光板,沖頭料
T1(ET1)高速工具鋼/高速鋼(13524351833)
執(zhí)行標(biāo)準(zhǔn):ASTM A600-1992a
●特性及適用范圍: ASTM T1是使用最廣泛的鎢系通用型高速鋼,硬度、紅硬性及高溫硬度較高,易于磨削加工。
ASTM T1適用作工作溫度在600℃以下仍能保持切削性能的,如車、刨、銑、鉸、拉刀、鉆頭、各種齒輪及絲錐、板牙等,ASTM T1適于加工軟的或中等硬度 (300~320HB以下) 的材料及制作高溫耐磨機(jī)械零件。
●化學(xué)成份:
碳 C :0.65~0.80(允許偏差:±0.01)
硅 Si:0.20~0.40(允許偏差:±0.05)
錳 Mn:0.10~0.40(允許偏差:+0.04)
硫 S :≤0.030 磷 P :≤0.030
鉻 Cr:3.75~4.50(允許偏差:±0.05)
鎳 Ni:允許殘余含量≤0.30
銅 Cu:允許殘余含量≤0.25
釩 V :0.90~1.30(允許偏差:±0.05)
鉬 Mo:≤0.30(允許偏差:尺寸≤6,±0.05;尺寸>6,±0.10)
鎢 W :17.25~18.25(允許偏差:尺寸≤10,±0.10;>10,±0.20)
●力學(xué)性能: 硬度 :交貨硬度:(其他加工方法)≤269HB; (退火)≤255HB。試樣熱處理制度及淬回火硬度:≥63HRC
●熱處理規(guī)范及金相組織: 熱處理規(guī)范:淬火,820~870℃預(yù)熱,1270~1285℃(鹽浴爐)或1270~1285℃(箱式爐)加熱,油冷,550~570℃回火2次,每次1h。
●交貨狀態(tài):熱軋、鍛制、冷拉鋼棒以退火狀態(tài)交貨,熱軋、鍛制鋼棒以退火+其他加工方法(剝皮、輕拉、磨光或拋光等)加工后交貨。



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