4130 STEEL BAR STOCK ALLOY BAR

Triton Metal cold drawn seamless 4130 alloy steel bar, rod, and wire is a lighter weight, higher strength alternative to carbon steel. As the market leader in 4130 alloy steel, Triton Metal delivers a full range of 4130 round bar.

Applications

• Aerospace
• Motorsports - chassis

Advantages

• Excellent weldability
• High yield strength
• High ultimate tensile strength

SKU	Description	Manufacture Method	Diameter	Shape	Specification
A3212	4130 MIL-S-6758 COND D4 .437 DIA	Air Melt	0.4375	ROD/BAR ROUND	AMS-S-6758
A3222	4130 MIL-S-6758 COND D4 1.25 DIA	Air Melt	1.2500	ROD/BAR ROUND	AMS-S-6758
A3220	4130 MIL-S-6758 COND D4 1.00 DIA	Air Melt	1.0000	ROD/BAR ROUND	AMS-S-6758
A3225	4130 MIL-S-6758 COND D4 1.500 DIA	Air Melt	1.5000	ROD/BAR ROUND	AMS-S-6758
A3213	4130 MIL-S-6758 COND D4 .500 DIA	Air Melt	0.5000	ROD/BAR ROUND	AMS-S-6758
A3221	4130 MIL-S-6758 COND D4 1.125 DIA	Air Melt	1.1250	ROD/BAR ROUND	AMS-S-6758
A3229	4130 MIL-S-6758 COND D4 2.00 DIA	Air Melt	2.0000	ROD/BAR ROUND	AMS-S-6758
A3231	4130 MIL-S-6758 COND D4 2.25 DIA	Air Melt	2.2500	ROD/BAR ROUND	AMS-S-6758
A3233	4130 MIL-S-6758 COND D4 2.50 DIA	Air Melt	2.5000	ROD/BAR ROUND	AMS-S-6758
A3236	4130 MIL-S-6758 COND D4 3.00 DIA	Air Melt	3.0000	ROD/BAR ROUND	AMS-S-6758

Typical Chemical Properties

Minimum Properties	Tensile Strength, psi	81,200
	Yield Strength, psi	52,200
	Elongation	28.2%
	Rockwell Hardness	B82
Chemistry	Iron (Fe)	97.3 - 98.22%
	Carbon (C)	0.28 - 0.33%
	Chromium (Cr)	0.8 - 1.1%
	Manganese (Mn)	0.4 - 0.6%
	Molybdenum (Mo)	0.15 - 0.25%
	Phosphorus (P)	0.035% max
	Sulphur (S)	0.04% max
	Silicon (Si)	0.15 - 0.35%