ROYALFIL GS 12 H4R (E71T-1C H4)

AWS A / SFA 5.20 E71T-1C H4 EN / ISO 17632 A T422RC1H5

Applications

Royalfil GS -12H4R is designed for all position single and multipass welding of low and medium carbon steels. Suitable for joining steels conforming to ASTM SA-36 /SA-36M and A,B,C,D grades of SA-283 / SA-283M & SA-414 / SA414M.(P.No.1) e.g. Fabrication in chemical plant machinery structures & Steel frames in ship building, heavy bridges & towers.

Welding Positions

1G 2F 3G 4G

Recommended Stick Out

15-20 mm

Shielding Gas

Carbon Dioxide (CO2) Shielding Gas Flow : 20-25 Lit / Min

Packing

15 kgs. vaccum packed plastic spool.

Chemical Composition Of Weld Metal

Element C% Mn% Si% S% P%
Typical Values 0.05 1.25 0.38 0.010 0.018
Spec. Reqd 0.12 Max 1.75 Max 0.90 Max 0.03 Max 0.03 Max

Mechanical Properties Of Weld Metal

Property U.T.S (N/mm²) Y.S (N/mm²) ELONGATION ( L = 4d ) % IMPACT (CVN) AT – 20 ºC(J )
Typical Values 550 470 26 60
Spec. Reqd 490-670 390 Min 22 Min 27 Min

Welding Parameters (DC + VE)

1.60210-28026-30160-25022-27190-24026-30

Diameter(mm) Flat & Horizonta (A) Flat & Horizontal (V) Vertical – Up (A) Vertical – Up (V) Overhead (A) Overhead (V)
1.20 180-250 26-30 120-210 22-26 150-200 26-30

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AWS A / SFA 5.22 E309HT1-1EN ISO 17633 A TZRC1

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