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Ｃｒ５Ｍｏ合金钢的焊接王鸿钧张光远广东广州黄埔中石化四公司第五工程公司（５１０７００）石油化工装置高温管线及炼油厂加热炉炉管经常采用Ｃｒ—Ｍｏ珠光体耐热钢钢管。因其使用温度较高（４５０～５５０℃），Ｃｒ—Ｍｏ合金钢的焊接在石油化工装置建设中要求比较严...
Cr5Mo alloy steel Wang Hongjun Zhang Guangyuan Guangdong Guangzhou Huangpu Fourth Company Fifth Engineering Company (510700) High temperature pipeline petrochemical plant and oil refinery furnace tube often use Cr-Mo pearlite heat-resistant steel pipe. Due to its high temperature (450 ~ 550 ℃), the welding of Cr-Mo alloy steel in the petrochemical plant construction requirements more stringent ...