Standard methods for determination of the diffusible hydrogen content of martensitic , bainitic , and ferritic steel weld metal produced by arc welding 測定馬氏體貝氏體和鐵素體鋼電弧焊接金屬中可擴(kuò)散氫含量的標(biāo)準(zhǔn)方法
The effects of the tested condition , e . g . environment humidity , drying temperature , dew point of shielding gas , etc , on diffusible hydrogen content of the domestic electrodes for welding mild and low alloy steels is analyzed and compared with that of the foreign electrodes 摘要采用水銀法研究了環(huán)境濕度、烘干溫度、保護(hù)氣體露點(diǎn)等測試條件對焊縫擴(kuò)散氫含量的影響,分析了我國碳鋼及低合金鋼焊條中的擴(kuò)散氫含量,并且與國外焊條的擴(kuò)散氫含量進(jìn)行了對比。