KMS-625
Shielding Gas: 75%Ar+25%He
KMS-625 is 61%Ni-22%Cr-9%Mo-3.5%Nb alloy.
KUANG TAI METAL INDUSTRIAL CO., LTD.
廣泰金屬工業股份有限公司
No.20, Gongye Rd., Erzhen, Guantian Dist.
Tainan City 72042, Taiwan
TEL：886-6-6987615 FAX：886-6-6987315
▎Classification
| AWS A5.14/A5.14M | ERNiCrMo-3 |
| JIS Z3334 | SNi6625 |
| EN ISO 18274 | S Ni 6625 |
| GB T15620 | S Ni 6625 |
▎Applications and Features
- KMS-625 is 61%Ni-22%Cr-9%Mo-3.5%Nb alloy.
- Excellent corrosion resistance and high strength over broad temperature range. The highest service temperature is up to 540℃.
- Suitable for welding 9%Ni steel, Inconel 601, 625, 718, Alloy 20, 45 and ASTM B443, B444, B446Ni-Cr-Mo alloy.
▎Welding Position
▎Welding Instruction
- Clean surface of base metal before welding.
- Heat input should be controlled as low as possible.
- For other instructions, please refer to Appendix B.
▎Application
Suitable for welding 9%Ni steel, Inconel 601, 625, 718, Alloy 20, 45 and ASTM B443, B444, B446Ni-Cr-Mo alloy.
▎Typical Chemical Composition of Wire (wt%)
| C | Si | Mn | P | S | Cr | Mo | Fe | Nb | Ni |
| 0.01 | 0.07 | 0.06 | 0.006 | 0.001 | 22.15 | 8.71 | 0.37 | 3.71 | 64.30 |
▎Typical Mechanical Properties of Weld Metal
| Tensile Strength N/mm² | Yield Strength N/mm² | Elongation % | Charpy V-Notch ℃ | Charpy V-Notch J |
| 783 | 492 | 40 | -196 | 122 |
▎Size and Suggested Operating Range (DC+)
| Diameter (mm) | 0.8 | 0.9 | 1.2 | 1.6 |
| Current(A) | 140-180 | 160-200 | 190-230 | 200-250 |
| Voltage(V) | 24-27 | 25-28 | 26-30 | 29-33 |
▎Certification
JISZ3323_TCTW08007
DoP of KMS-625