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WD-68埋弧焊用烧结焊剂WD-68 SAW FLUX

符合标准:GB/T12470-2003 F55A3-H08G AWSA5.23M-97 F8A3-EA3
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符合标准:

GB/T 12470-2003 F55A3-H08G AWS A5.23M-97 F8A3-EA3

 

说明:WD-68是铝碱型烧结焊剂,碱度约2.4(BIIW),为灰黑色球形颗粒,可交直流两用,直流施焊时焊丝接正极,最大焊接电流可达1200A,粒度为10~50目。焊剂的熔敷金属纯净,SiO2含量低,减少了硅的过渡,可得到较高的低温冲击韧性的焊缝金属;焊后形成短渣,窄间隙脱渣容易,在焊接小直径圆筒时不淌渣;焊缝成形美观,电弧燃烧稳定,脱渣容易;抗吸潮性好,颗粒强度高,松装密度小,焊接过程中焊剂消耗量少。配合相应的焊丝,采用多层焊、双面单道焊、多丝焊和窄间隙埋弧焊等,可焊接较高强度船用钢、压力容器用钢、管线钢、海洋平台及细晶粒结构钢,用于重要的焊接产品。

 

用途:可用于船舶、压力容器、贮罐、钢结构、桥梁、螺旋焊管等结构的对接及角接焊缝。

 

焊剂参考成分(%):

 

 

熔敷金属力学性能:

 

 

注意事项:

1、焊剂如果受潮,在使用前须经300~350℃烘焙2小时。

2、焊接处须清除铁锈、油污、水分等杂质。

 

WD-68 Agglomerated Flux For S.A. Welding
 
Standard: GB/T 12470-2003 F55A3-H08G  AWS A5.23M-97   F8A3-EA3
 
Introduction
 
WD-68 is an agglomerated aluminum-basic type flux with a basicity index of BIIW 2.4.The flux is black spherical granular.WD-68 can be welded with AC or DC at up to 1200A,connect the welding wire to the positive terminal when with DC. Grain size is from 10 to 50 mesh. As deposited metal is purity and SiO2 content is low, the transition of silicon is very low, so has very good toughness at the low temperature. Short slag is formed after welded, slag removal is easy in the narrow gap, and doesn’t drip slag when welding cylinders of small diameter. Bead appearance is beautiful, burn-out of the arc is stable, slag is easy to remove. The flux has low moisture pick-up and granular stability. As the bulk density is low, its consumption rate are few. With the matching wire,WD-68 is suitable for multi-layer welding, single pass welding in double side, multi-wire welding and narrow gap welding.WD-68 could be used for welding of high tensile steel for ship, steel for pressure vessel, steel for pipelines, ocean platform and fine grain structural steel. 
 
Applications
 
For flat fillet and butt welding of steel for ships, steel structures, pressure vessels, storage tanks, bridges and spiral pipes. 
 
Main Constituents (%)
 
 
Typical mechanical properties of deposited metal
 
 
Notice:
 
1. Flux should be redried at 300~350°C for 2 hours.

2. All dust, oil and rust should be removed.

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