GB/T 37901-2019 English PDF

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GB/T 37901-2019: Technical requirements for laser welding of high temperature titanium alloy
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37901-2019	279	Add to Cart	3 days	Technical requirements for laser welding of high temperature titanium alloy	Valid

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Basic data

Standard ID: GB/T 37901-2019 (GB/T37901-2019)
Description (Translated English): Technical requirements for laser welding of high temperature titanium alloy
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J33
Classification of International Standard: 25.160.10
Word Count Estimation: 14,128
Date of Issue: 2019-08-30
Date of Implementation: 2020-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37901-2019: Technical requirements for laser welding of high temperature titanium alloy

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical requirements for laser welding of high temperature titanium alloy ICS 25.160.10 J33 National Standards of People's Republic of China High temperature titanium alloy laser welding technical requirements Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Welding Standardization Technical Committee (SAC/TC55). This standard was drafted. Hubei Sanjiang Aerospace Hongyang Electromechanical Co., Ltd., Harbin Welding Research Institute Co., Ltd., Guangzhou special pressure equipment Preparation Testing Institute. The main drafters of this standard. Wang Weixin, Fu Xingbai, Li Maodong, Tang Zhongmin, Yan Hong, Su Jinhua, Wang Huaqiao, Qiao Fenglin, Li Baohua, Liao Shulong, Sun Lijun, Liu Jufeng, Yan Xiang, Xiong Shuya. High temperature titanium alloy laser welding technical requirements

1 Scope

This standard specifies the general requirements, process requirements, quality requirements of welded joints, rework soldering and weld quality of high temperature titanium alloy laser welding. Inspection and security, etc. This standard is applicable to the evaluation and acceptance of laser welding quality of near-α and α β high-temperature titanium alloys with thickness of 0.5mm~8.0mm. His brand of titanium alloy can also be referred to.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 324 weld symbol notation GB/T 2650 welded joint impact test method GB/T 2651 welded joint tensile test method GB/T 2653 welded joint bending test method GB/T 2654 welded joint hardness test method GB/T 3323 metal fusion welding joints radiography GB/T 6417.1 metal fusion welding head defect classification and description GB/T 9445 Non-destructive testing personnel qualification and certification GB/T 18851.1 Non-destructive testing - Penetration testing - Part 1. General GB/T 19867.4 laser welding process specification GB/T 29710 Electron beam and laser welding process qualification test method GB/T 32259 weld non-destructive testing fusion welding head visual inspection ISO /T R15608 Guide to the Classification of Welded Metal Materials (Welding-Guidelinesforametalicmaterialsgrouping System)

3 symbol

The following symbols apply to this document. ΔL --- the distance between the two defects (stomata) B --- Weld width d --- the maximum size of the lack (pore) f --- projected area ratio of pores or shrinkage holes g --- the distance from the center line of the T-joint h --- lack size (height, width) H1, h2---weld penetration deviation l --- Shortage length (measured from any direction) L --- Weld length ......

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