为了确定是否符合下表中列出的性能要求和尺寸公差的规定限值,观测值或计算值应按照实践 1.1 的舍入方法进行舍入,本规范规定了锻制铜和铜合金棒材、棒材、型材和锻件的通用要求,适用于规格 B16/B16M、B21/B21M、B98/B98M、B124/B124M、B138/B138M、B139/B139M、B140/B14
14 p. 高清原版 ASTM F3688-25 2025 (ASTM) 18 p. 高清原版 ASTM F3620-22 (ASTM) 20 p. 高清原版 ASTM F3230-25 2025 (ASTM) 14 p. 高清原版 ASTM F3227_F3227M-25 2025 (ASTM) 23 p. 高清原版 ASTM F3084-25 2025 (ASTM) 12 p. 高清原版 ASTM F3023-18(2025) (ASTM) 关于...
Bar, Shapes and Forgings 1This standard is issued under the fixed designation B249/B249M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates...
国际标准分类中,astm b249 / b249m涉及到有色金属产品。在中国标准分类中,astm b249 / b249m涉及到重金属及其合金、锻压。美国材料与试验协会,关于astm b249 / b249m的标准ASTM B249/B249M-18 锻铜和铜合金棒、棒材、型材和锻件的一般要求 ASTM B249/B249M-09 锻铜及铜合金棒材,条材,型材和锻件一般...
Designation: B 249/B 249M – 02Standard Specif i cation forGeneral Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings 1This standard is issued under the f i xed designation B 249/B 249M; the number immediately following the designation indicates the yearof original...
ASTM有色金属标准.B249B249M Designation: B 249/B 249M – 06 Standard Speci?cation for General Requirements for Wrought Copper and CopperAlloy Rod, Bar, Shapes and Forgings1 This standard is issued under the ?xed designation B 249/B 249M; the number immediately following the designation ...
Designation:B249/B249M–06 StandardSpeci cationfor GeneralRequirementsforWroughtCopperandCopper-AlloyRod,Bar,ShapesandForgings1 Thisstandardisissuedunderthe xeddesignationB249/B249M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinpa...
标准号:ASTM B249/B249M-2015a中文标准名称:锻造铜和铜合金杆材, 棒材, 型材和锻件通用要求的标准规格英文标准名称:Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings发布日期:1999/12/31 12:00:00实施日期:1999/12/31 12:00:00国际标准分类...
悠悠球雷霆S适合什么规格的轴承? 滚珠轴承 (规格:6.35*12.7*4.76) kk轴承 (规格:6.35*12.7*4.76) 高精度kk轴承(规格:6.35*12.7*4.76)
本标准标准号为“ASTM B249/B249M-2015a”,标准名称为“铜和铜合金棒材、型材及锻件”,阀门标准库、水泵标准库是中国泵阀制造网开发的专业级阀门水泵技术标准数据库,涵盖阀门、水泵行业常用标准类别,包括中国国家标准GB,中国机械行业标准JB,中国化工行业标准HG,中国石油