GB/T 14235.5-1993
熔模铸造模料 表面硬度测定方法
Testing method for surface hardness of pattern materials in investment casting
- 实施日期
- 1993-12-01
- ICS 分类
- 77.180
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 5,061 条
GB/T 14235.5-1993
Testing method for surface hardness of pattern materials in investment casting
GB/T 14235.4-1993
Testing method for linear contraction of pattern materials in investment casting
GB/T 14235.3-1993
Testing method for ash content of pattern materials in investment casting
GB/T 14235.2-1993
Testing method for bending strength of pattern materials in investment casting
GB/T 14235.1-1993
Testing method for melting point of pattern materials in investment casting
GB/T 13808-1992
Wrought copper and copper alloys--Extruded rods and bars
GB/T 13827-1992
Standard specification for sintered austenitic stainless steel structural part
GB/T 13820-1992
Magnesium alloy castings
GB/T 13747.9-1992
Zirconium and zirconium alloys--Determination of magnesium content--Flame absorption spectrometric method
GB/T 13747.8-1992
Zirconium and zirconium alloys--Determination of cobalt content--1-Nitroso-2-hydroxy-3,6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method
GB/T 13747.7-1992
Zirconium and zirconium alloys--Determination of manganese content--Potassium periodate spectrophotometric method
GB/T 13747.6-1992
Zirconium and zirconium alloys--Determination of copper content--2,9-Dimethyl-1,10-phenanthroline spectrophotometric method
GB/T 13747.5-1992
Zirconium and zirconium alloys--Determination of aluminium content--Chrome azurol S spectrophotometric method
GB/T 13747.4-1992
Zirconium and zirconium alloys--Determination of chromium content--Diphenylcarbazide spectrophoto-metric method
GB/T 13747.3-1992
Zirconium and zirconium alloys--Determination of nickel content--Dimethylglyoxime spectrophoto-metric method
GB/T 13747.24-1992
Zirconium and zirconium alloys--Determination of carbon content--Combustion coulometric method
GB/T 13747.23-1992
Zirconium and zirconium alloys--Determination of nitrogen content--Distillation-Nessler reagent spectrophotometric method
GB/T 13747.22-1992
Zirconium and zirconiumalloys--Determination of oxygen content--Inert gas fusion coulometric method
GB/T 13747.2-1992
Zirconium and zirconium alloys--Determination of iron content--1,10-phenanthrolinespectrophoto-metric method
GB/T 13747.21-1992
Zirconium and zirconium alloys--Determination of hydrogen content--Vacuum heating chromatographic method