Low Alloy Steel

ROYAL PRIME 100T-1

AWS/ASME: A5.29 E100T1-G

ROYAL PRIME E100T1-G is a high-performance flux-cored wire for:Welding low alloy steels that require ultra-high strength welds.Excellent arc stability, minimal spatter, and smooth bead formation.Suitable for structural steel, pressure vessels, bridges, offshore platforms, and heavy machinery.Controlled low hydrogen content minimizes the risk of cracking.

1. Typical Chemical Composition of Weld Metal (% by weight)

C	Mn	Si	Ni	P	S	Ni	Cr	Mo
–	0.50 – 1.75	0.20 – 0.80	1.75– 2.75	≤0.03	≤0.03	≤0.50	≤0.30	≤0.20

2. Typical Mechanical Properties of Weld Metal

Property	UTS (MPa)	Yield Strength (MPa)	Elongation (%)	Impact Toughness (J @ -20 °C)
Typical Values	700 – 740	630 – 670	20 – 24	35 – 50

3. Recommended Welding Parameters — A5.29 E100T1-G

Welding Position	Current (A)	Voltage (V)	Shielding Gas	Gas Flow (L/min)	Polarity
Flat / Horizontal	220 – 350	28 – 34	100% CO₂ or Ar + 20–25% CO₂	15 – 25	DCEP
Vertical / Overhead	180 – 320	26 – 32	100% CO₂ or Ar + 20–25% CO₂	15 – 25	DCEP

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