| Product name：KFW-307 |
| Classification：E307T1-1/4 |
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- Weld metal is 20%Cr-9%Ni-6%Mn.
- It has good crack resistance.
- This wire’s relatively high manganese content helps reduce the chance of weld metal cracking in dissimilar metal welding.
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Welding Instruction |
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(1) Use Ar blend with 1~2%O2 for high current, spray transfer welding. (2) Use Ar blend with 1~2%CO2 for low current, short-circuit transfer welding. |
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Typical Chemical Composition of Weld Metal (wt %) (Shielding Gas : Ar+2%O2) |
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C |
Si |
Mn |
P |
S |
Cr |
Ni |
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0.11 |
0.65 |
6.11 |
0.007 |
0.01 |
18.85 |
8.91 |
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Typical Mechanical Properties of Weld Metal (Shielding Gas : Ar+2%O2 PWHT |
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Tensile Strength N/mm2（kgf/mm2） |
Yield Strength N/mm2（kgf/mm2） |
Elongation % |
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620 |
410 |
38 |
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Size and Suggested Operating Range ( |
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Diameter (mm) Operating range |
0.8 |
0.9 |
1.0 |
1.2 |
1.4 |
1.6 |
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Ar+1~2%CO2 |
Amp |
— |
60~140 |
80~160 |
100~210 |
— |
— |
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Volt |
— |
15~21 |
16~22 |
17~22 |
— |
— |
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Ar+1~2%O2 |
Amp |
— |
170~260 |
180~280 |
200~300 |
210~320 |
220~330 |
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Volt |
— |
24~30 |
24~30 |
24~30 |
24~32 |
24~32 |
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No.8, Luke 3rd Rd., Luzhu Dist., Kaohsiung City 821, Taiwan (R.O.C.) TEL:886-7-6955155 FAX:886-7-6955166
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