JB/T 6438-2011 in English
VALIDTechnical requirements for plasma arc overlaying welding for valve sealing surface
- Issued on:2011-05-18
- Implemented on:2011-08-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$117.00
本标准规定了阀门密封面等离子弧堆焊对焊工资质、堆焊材料、工艺评定、堆焊工艺、质量检验、缺陷修复等方面的要求。
本标准适用于碳钢、合金钢、不锈钢等通用、电站、石油化工用阀门密封面等离子弧堆焊钴基、镍基、铁基合金粉末材料的制造与检验。
Scope
This standard specifies the requirements for welder qualifications, surfacing materials, process qualification, surfacing technology, quality inspection, defect repair, etc. for plasma arc surfacing of valve sealing surfaces. This standard is applicable to the manufacturing and inspection of plasma arc surfacing cobalt-based, nickel-based, iron-based alloy powder materials for valve sealing surfaces used in general, power stations, and petrochemical industries such as carbon steel, alloy steel, and stainless steel.

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