高速工具钢ASTM【T5圆钢】锻件及轧材
高速工具钢ASTM【T5圆钢】锻件及轧材
High-speed tool steel rods T5 characteristics and scope of application: for tungsten series containing cobalt high speed steel, red hardness and high temperature hardness and wear resistance.
Perform standard: ASTM A600-1992 - a W18Cr4VCo5 steel higher, but toughness is low, after hardening, surface hardness is 64-64 HRC. Used as materials in more than 400 hb hardness under complex conditions (heavy duty) work of turning tool, milling cutter, cutter, etc.
高速工具钢棒T5 特性及适用范围:为钨系一般含钴型高速钢,红硬性和高温硬度及耐磨性较。
执行标准:ASTM A600-1992a W18Cr4VCo5钢高,但韧性低,淬火后,表面硬度可达64~66HRC 。用作加工材料硬度在 400HB以上的复杂条件(重负荷)下工作的车刀、铣刀、滚刀等。
硬度 :交货硬度:(其他加工方法)≤302HB; (退火)≤285HB。试样热处理制度及淬回火硬度:≥63HRC
●热处理规范及金相组织:
热处理规范:淬火,820~870℃预热,1270~1290℃(盐浴炉)或1280~1300℃(箱式炉)加热,油冷,540~560℃回火2次,每次2h。
●交货状态:热轧、锻制、冷拉钢棒以退火状态交货,热轧、锻制钢棒以退火+其他加工方法(剥皮、轻拉、磨光或抛光等)加工后交货。
产品名称:高速工具钢ASTM【T5圆钢】锻件及轧材
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