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Product name：KH-50N-4
 
Classification：A5.13
 
 

  1. Weld metal is martensite structure with 13%Cr.
  2. It provides excellent hardness, toughness, corrosion, heat and crack resistance.
  3. It is suitable for repairing turbines impeller, heat exchanger brackets, valve brackets and molds.

 

Welding Instruction

(1) Dry the electrodes at 200-250°C for 30-60 minutes before use.

(2) Clean up the contaminations on the work piece.

(3) Preheat temperature should be above 150°C for repairing low alloy steel or medium/high carbon steel.

Typical Chemical Composition of Weld Metal (wt. %)

C

Si

Mn

Cr

Ni

Mo

0.080

0.31

0.60

12.78

3.70

1.20

Typical Hardness of Weld Metal

        Hardness

Condition

Vicker’s hardness

（HV）

Rockwell’s hardness

（HRC）

Shore’s hardness

（HS）

Interpass temp. ≤150°C

452

 45

60

Size and Suggested Operating Range (AC or DC+)

Diameter x Length(mm)

3.2x350

4.0x350

5.0x350

6.0x400

Amp

70~120

100~170

160~220

200~280


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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