消除应力热处理

大型油罐开孔壁板制作及焊后消除应力热处理

The fabrication of opening shell plate of large oil tank and post stress relief heat treatment

CF-62钢焊后消除应力热处理脆化的研究

Study on stress relief embrittlement of CF-62 Steel Welded Joint

在690℃的消除应力热处理温度下，保温5h时异种钢熔合区韧性最好。

The toughness of fusion zones reach to the maximum value under stress-relief condition at temperature 690 ℃ holding for 5 hours at that temperature .

焊后应及时进行整体消除应力热处理；

After jointing , proceed the whole hot dissolving on time ;

拼接法兰应进行焊后消除应力热处理。

The long neck flange should have stress-relief heat treatment after welding .

某设备制造厂电机配水环管立缝在消除应力热处理后，熔合线附近出现裂纹。

A crack is found after SR heat treatment in the vertical welding fusion line for water distribution ring pipe of a electric machinery .

六通管与支管采用对接焊缝，并实施焊前预热，焊后整体消除应力热处理，工艺方法可行，工艺参数合理。

Side pipes are jointed to the extruded main pipe by butt welding , with preheating before welding and stress relief after welding executed .

介绍了底圈壁板消除应力热处理工艺，提出了弧形板的退火、测温点布置和热处理温度控制等项技术措施。

The paper introduces the heat treatment process of stress elimination , including arc shell annealing , location of temperature measurement point and temperature control of heat treatment , also the requirement on the arc shell retesting and post-heat treatment .

详细介绍了主要受压件的焊接工艺、整体消除焊接应力热处理技术以及关键的检验控制点。

The welding procedure of main pressure parts , its bulk heat treatment and checking point are detailed .

尽量减少球罐的各种应力，消除应力可采用热处理或水压试验；

Reducing the stresses of spherical tank if possible ; and adopting heat treatment or hydrostatic test to relief stress ;