AISI/SAE 4130 Alloy Steel Bar
Product Detail
AISI 4130 Steel Bar is made from high strength low alloy steel and is primarily used in high temperature, high pressure and high strength industrial applications. 4130 steel is a chromium-molybdenum low alloy steel that has much higher strength and toughness than typical steel grades. Additionally, this alloy has a reduced carbon content which, while limiting through thickness strength, allows for better weldability than 4140 steel. These properties make AISI 4130 Steel Bar a popular choice for the aerospace industry for manufacturing commercial and military aircraft components that require high strength and low weight.
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Product name |
AISI/SAE 4130 Alloy Steel Bar |
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Standard |
EN/DIN/JIS/ASTM/BS/ASMEN/AISI.ETC. |
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Common Round Bar Specifications |
3.0-50.8 mm, over 50.8-300mm |
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Flat Steel Common Specifications |
6.35*12,7mm, 6.35*25.4mm, 12.7*25.4mm |
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Hexagon Bar Common Specifications |
AF5.8mm-17mm |
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Length |
1-6meters, Size Accept Custom |
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Diameter(mm) |
Hot Rolling Round Bar |
25-600 |
Cold Rolling Square Bar |
6-50.8 |
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Hot Rolling Square Bar |
21-25 |
Cold Rolling Hexagon |
9.5-65 |
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Cold Rolling Round bar |
6-101.6 |
Forged Rebar |
200-1000 |
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Surface Process |
Bright, Polished, Black |
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Other Services |
Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. |
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Mechanical Properties
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Grade |
Tensile Strength N/mm2 Min |
Yield Strength N/mm2 Min |
A,% Min |
Z,% Min |
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AISI 4130 |
930 |
735 |
12 |
50 |
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Grade |
Mn |
S |
C |
P |
Si |
Cr |
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AISI 4130 |
0.4-0.8 |
0.04 |
0.28-0.33 |
0.035 |
0.15-0.35 |
0.8-1.1 |
Scope of Application
SAE 4130 round bars are commonly used in structural applications, including brackets, gears, and some aircraft exteriors.
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