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２０００年７月２１日 ,由上海大隆成套工程有限公司和国内有关钢管生产企业合作生产ＳＡ３３３ＧＲ３１６８×７．１１ -１０１℃低温无缝钢管 ,通过各项性能测试和外方检验 ,产品完全符合国际上权威的锅炉压力容器标准———ＡＳＭＥ规范 ,低温冲击指标大于标准值数倍 ,不?
On July 21, 2000, Shanghai Dalong Complete Set Engineering Co., Ltd. and domestic steel pipe production enterprises cooperated to produce SA333GR3168×7.11 -101°C low-temperature seamless steel pipes. Through various performance tests and foreign inspections, the products are completely In line with the internationally authoritative boiler pressure vessel standard— ASME Code, the low-temperature impact index is several times larger than the standard value, is it not?