Standard No.:	JB/T 6438-2011
English Name:	Technical requirements for plasma arc overlaying welding for valve sealing surface
Chinese Name:	阀门密封面等离子弧堆焊技术要求
Chinese Classification:	J16    Valve
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	23.060.01 23.060.01    Valves in general 23.060.01
Source Content Issued by:	MIIT
Issued on:	2011-5-18
Implemented on:	2011-8-1
Status:	valid
Superseded by:	JB/T 6438-2025 Technical requirements for plasma arc overlaying welding for valve sealing surface
Superseding:	JB/T 6438-1992 Plasma arc surfacing welding for sealing surface of valves Technical requirements
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	120.0
Delivery:	via email in 1~3 business day

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。