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Home » Products » Low Hydrogen Electrode » Premium 90G

Premium 90G

Premium 90G
Premium 90G
Product Code : 34
Product Description

Classification :

  • IS : 1395 - 82 : E 63 B -G1 29 Fe
  • AWS / A 5.5 : E 9018 G

Description :

A basic coated low hydrogen electrode designed for welding high strength low alloy steels and also quenched and tempered steels. The weld metal possesses excellent toughness at sub zero temperatures down to minus 50oC. Metal recovery is approx. 115%. Gives radiographic welds. Diffusable hydrogen in weld metal is around 5 ml. per 100 gms of weld metal.

Applications :

  • High tensile steels upto 70 Kgf./mm2
  • Heavy structures subjected to dynamic loading and impact
  • Earth moving equipments, pressure vessels, penstocks etc.

Chemical Composition of Weld Al (wt.%)

C

Mn

Si

Cr

Ni

Mo

0.10 max

12 - 18

0.5 max

0.03 max

0.6-1.0

0.03 max

Mechanical Properties Of Weld Metal :

YS

56 - 66 Kgf/mm2

UTS

66 - 74 Kgf/mm2

Elongation

18 % min

Reduction in Area

55 % min.

CVN Impact Values

30 Joules (Min) at -51oC

Current Conditions : AC (50V) / DC ( + )

Size (mm)

2.5 x 350

3.15 x 450

4 x 450

5 x 450

Amps

80 - 100

100 - 140

140 - 180

190 - 240

Welding Positions : F, H, V-up, OH

Recommendations :

Redry the electrodes at 350oC for one hour or at 250oC for two hours. Keep the redried electrodes in a holding oven at 120o to 150oC. Use the electrode directly from the holding oven. Preheat and inter pass temperature of 100o to 150oC is recommended. Stress relieving temperature should be 620oC for one hour.


APS Advert International Pvt. Ltd.

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