ASTM A519 4130 Tubing Tensile Properties, Hardness

2019-05-10 14:56:14

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ASTM A519 4130 Tubing is a alloy steel mechanical tubing, which contains chromium and molybdenum as alloying elements. Chromoly is superior to mild carbon steel based on a strength to weight ratio, making A519 4130 Tubing widely used in applications that require less weight but similar strength. Such as roll cages for race cars, high performance bicycle frames, and fuselages for aircrafts.

ASTM A519 4130 Tubing Composition (%, heat analysis)

Grade Designation

Carbon

Manganese

Phosphorus max

Sulfur

max

Silicon

Nickel

Chromium

Molybdenum

4130

0.28-0.33

0.40-0.60

0.04

0.040

0.15-0.35

0.80-1.10

0.15-0.25

TypicalTensile Properties, Hardness, and Thernal Condition for ASTM A519 4130 Tubing

Grade	Condition	Ultimate Strength		Yield Strength		Elongation in 2 in.or 50mm,%	Rockwell,Hardness B Scale
Grade	Condition	ksi	Mpa	ksi	Mpa	Elongation in 2 in.or 50mm,%	Rockwell,Hardness B Scale
4130	Hot rolled	90	621	70	483	20	89
	Stress relieved	105	724	85	586	10	95
	Annealed	75	517	55	379	30	81
	Normalized	90	621	60	414	20	89

A519 4130 Chromoly Tubing Advantages

Consistent Workability

Preferred Fabrication

Higher than Standard Mechanical Properties

American Drawn 4130 steel tubing

ASTM A519 4130 Tubing Sizes And Specification:

Grade: 4130

Specifications:AMS-T-6736B, MIL-T-6736B, AMS6360

OD Range: .125-2″(3.175-50.800mm)

Wall Range: .020-.188″ (.508-4.775mm)

Max Length: 86′ (26m)

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