中厚板H型钢高效全熔透焊工艺和焊接材料研究

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摘要：对中厚板H型钢主角焊缝不开坡口熔透焊工艺及接头焊接工艺与焊接材料进行试验研究，实现了中厚板H型钢主角焊缝不开坡口熔透焊达到熔透要求，拥有良好的无损检测合格率，焊接变形小，生产效率高。通过对焊接接头进行性能检测，结果表明：焊接接头不低于Q355B钢力学性能要求。

关键词：H型钢；双面焊；高效；焊接材料

Efficient full penetration welding technology and material for medium thick plate H-shaped steel

TU Taoxiong1， WANG Zhiguo2， YI Wuqiang1

1. Wuhan Tian-Gao Welding Co.， Ltd.， Wuhan 430056， Hubei， China

2. Guangzhou Ship International Co.， Ltd.， Guangzhou 511400， Guangdong， China

Abstract： Analyze the weld penetration welding technology and joint flaw detection of H-shaped steel plate without groove. The research shows that the weld penetration welding of H-shaped steel plate without groove can meet the requirements of penetration and has a good flaw detection rate. Through the analysis of the weld joint performance， the weld joint can meet the mechanical performance requirements of Q355B.

Keywords： H-shaped steel; double-sided welding; high efficiency; welding material

1 序言

H 型钢具有质量轻、刚度好、质量优、外观美、施工方便及施工速度快等优点，被广泛应用于建筑钢结构。（剩余3343字）