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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 32971-2016 |
Methods of determination and calculation of heat balance in regenerative burner for ladle preheating system of iron and steel industry 钢铁行业蓄热式钢包烘烤系统热平衡测试与计算方法 |
China National Standards preheating |
 English PDF |
| GB/T 20126-2006 |
Unalloyed steel -- Determination of low carbon content -- Part 2: Infrared absorption method after combustion in an induction furnace (with preheating) 非合金钢 低碳含量的测定 第2部分：感应炉（经预加热）内燃烧后红外吸收法 |
China National Standards preheating |
English PDF |
| GB/T 18591-2001 |
Welding--Guidance on the measurement of preheating temperature，interpass temperature and preheat maintenance temperature 焊接 预热温度、道间温度及预热维持温度的测量指南 |
China National Standards preheating |
English PDF |
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