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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 42899-2023 |
Test method for weldability of marine engineering structural steel 海洋工程结构钢可焊性试验方法 |
China National Standards weldability |
 English PDF |
| GB/T 33968-2017 |
Hot rolled steel sections with improved weldability 改善焊接性能热轧型钢 |
China National Standards weldability |
English PDF |
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