- Contact Person : Mr. Shang Qingfeng
- Company Name : Laiwu Huifeng Welding Industry Co., Ltd.
- Tel : 86-634-8856786
- Fax : 86-634-8856718
- Address : Shandong,Laiwu,No.016 Yun Taishan Road, Economic Development Zone
- Country/Region : China
- Zip : 271100
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Fit | GB/T5293-1999 | F4A2-H10Mn2 |
Equivalent to | AWS-A5.17 | F6A2-EL12 |
1.a kind of Mid content of Mn, high content of Si and low content of F fused flux.
2.Current:either alternating or direct current( It must be reversed when connected with direct current).
Usage:1.Weld A2, A3, 20G, 16Mn, A32, low-carbon steels, low-alloy steels, and high-strength steels in company with H08A, H08MnA, or H10Mn2.
2.It is widely used in shipbuilding and pressure vessel welding.
Chemical compositions:
AL2O3 +MnO | CaO+MgO | TiO2 +SiO2 | CaF2 | others | S P |
23~25 | 16~20 | 44~47 | 4~6 | ≤ 10 | ≤ 0.05 |
Cautions:1.It must be baked for 2 hours under the temperature of 250~300°c before welding.2.The rust, oil contamination and moisture on the weldment must be removed.
Fused Flux