Product name:KMS-253MA
 
Classification:G 21 10 N
 
 

Applications and Features

 

( 1 ) Weld metal is austenite structure with 20%Cr-9%Ni-N.

( 2 ) High oxidation and corrosion resistance at 1150°C. Also, high creep strength and excellent resistance to isothermal.

( 3 ) 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

 

( 1 ) Use Ar+1~2%O2 for spray transfer and Ar+1~2%CO2 for short-circuit transfer.

( 2 ) For other instructions, please refer to Appendix B and F.

 

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+)

 

Diameter (mm)

0.8

0.9

1.0

1.2

1.4

1.6

 

Ar+1~2%CO2

Current (A)

40~120

60~140

80~160

100~210

-

-

 

Voltage (V)

15~20

15~21

16~22

17~22

-

-

 

Ar+1~2%O2

Current (A)

160~210

170~260

180~280

200~300

210~320

220~330

 

Voltage (V)

24~28

24~30

24~30

24~30

24~32

24~32

 

 


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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