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ASTM A1048/A1048M-2006(2011)  高温用高强度铬钼钨合金钢压力容器锻件规格

标准编号:ASTM A1048/A1048M-2006(2011)
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中文标准名称:高温用高强度铬钼钨合金钢压力容器锻件规格
英文标准名称:Standard Specification for Pressure Vessel Forgings, Alloy Steel, Higher Strength Chromium-Molybdenum-Tungsten for Elevated Temperature Service
标准状态:Withdrawn
复审确认日期:2011
代替标准号:ASTM A1048/A1048M-2006
语言:英文版,中文版
发布日期:2006
实施日期:2006-09-01
标准类别:美国材料与试验协会ASTM
中国标准文献分类法(中标分类CCS):机械 >> 加工工艺 >> 锻压
中国标准文献分类法(中标分类CCS):冶金 >> 钢铁产品 >> 承压钢
标准页数:3P.;A4
标准简介:

1.1 This specification covers chromium-molybdenum-tungsten alloy steel forgings intended primarily for use in boilers and pressure vessels for elevated temperature service.

1.1.1 Elevated temperatures are temperatures in the range where creep and stress rupture properties are important for the alloy steels in this specification.

1.2 Supplementary requirements are provided both in this specification and in the General Requirements Specification A788/A788M for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the purchase order or contract.

1.3 Unless the order specifies the applicable x201C;Mx201D; specification designation, the forgings shall be supplied to the inch-pound units.

1.4 The values stated in either inch-pound or SI (metric) units are to be regarded separately as standard. Within the text and tables, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

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添加时间:2013/10/17
 
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