KMS-253MA

Shielding Gas: Ar+2%O₂(CO₂)
Weld metal is austenite structure with 20%Cr-9%Ni-N. Suitable for welding 253MA™ Cr-Ni stainless steel and similar heat resistant steel, such as furnaces, high temperature flues, combustion chambers and burners

Catalog Packaging

▎Classification

AWS A5.9/A5.9M	–
JIS Z3321	–
EN ISO 14343-A	G 21 10 N
YB T5092	–

▎Features and Applications

Weld metal is austenite structure with 20%Cr-9%Ni-N.
High oxidation and corrosion resistance at 1150°C. Also, high creep strength and excellent resistance to isothermal.
Suitable for welding 253MA™ Cr-Ni stainless steel and similar heat resistant steel, such as furnaces, high temperature flues, combustion chambers and burners.

▎Welding Position

▎Welding Instruction

Use Ar+1~2%O₂ for spray transfer and Ar+1~2%CO₂ for short-circuit transfer.
For other instructions, please refer to Appendix B and F.

▎Applications

Furnaces, high temperature flues, combustion chambers and burners.

▎Typical Chemical Composition of Weld Metal (wt%)

C	Si	Mn	P	S	Cr	Ni	N
0.09	1.42	0.55	0.012	0.009	20.07	9.66	0.13

▎Typical Mechanical Properties of Weld Metal

Tensile Strength N/mm²	Yield Strength N/mm²	Elongation %
680	440	38

▎Size and Suggested Operating Range (DC+)

線徑(mm)	0.8	0.9	1.0	1.2	1.4	1.6
短路過渡	40-120A 15-20V	60-140A 15-21V	80-160A 16-22V	100-210A 17-22V	–	–
噴射過渡	160-210A 24-28V	170-260A 24-30V	180-280A 24-30V	200-300A 24-30V	210-320A 24-32V	220-330A 24-32V

▎Certification

JISZ3323_TCTW08007

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

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