作废日期:被替代标准:ASTM D256-2023e1 代替标准序号:ASTM D256-2010 采用标准化: 引用标准: 补充修订: 标引依据: 标准摘要:1.1 These test methods cover the determination of the resistance of plastics to “standardized” (see Note 1) pendulum-type hammers, mounted in “standardized” machines, in ...
B26M-2023铝合金砂铸件标准标准〔STANDARDSPECIFICATIONFORALUMINUM-ALLOYSANDCASTINGS〕ASTMD256-2023测定塑料抗悬臂梁摆锤冲击性的标准试验方法〔STANDARDTESTMETHODSFORDETERMININGTHEIZODPENDULUMIMPACTRESISTANCEOFPLASTICS〕ASTMD2794-1993(R2023)有机涂层抗快速形变(冲击)作用的标准试验方法〔STANDARDTESTMETHODFORRESISTANCEOF...
你好，亲亲。标准ASTMD6641中的标距如下：ASTMD 149 ASTMD 150 ASTMD 256 ASTMD 257 ASTMD 527 ASTMD 638 ASTMD 639 ASTMD 695 ASTMD 785 ASTMD 790 ASTMD 1003 ASTMD 1283 ASTMD 2240 ASTMD 2863 色差公式△E2=△L2+△a2+△b2；公式中的“2”是平方色差用色差计测量后可以直接得到△E2...
-2023〔STANDARDSPECIFICATIONFORALUMINUM-ALLOYSANDCASTINGS〕ASTMD256-2023〔STANDARDTESTMETHODSFORDETERMININGTHEIZODPENDULUMIMPACTRESISTANCEOFPLASTICS〕ASTMD2794-1993(R2023)有机涂层抗快速形变(冲击)作用的标准试验方法〔STANDARDTESTMETHODFORRESISTANCEOFORGANICCOATINGSTOTHEEFFECTSOFRAPIDDEFORMATION(IMPACT)〕ASTMD3359-202...