AISI/SAE 4130 Alloy Steel Bar DescriptionAISI 4130 steel bar is made of high-strength, low-alloy steel that is mainly used in high-temperature, high-pressure, and high-strength industrial fields. 4130 steel is a chromium-molybdenum low-alloy steel that has much higher strengt
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Carbon Steel Bar
AISI/SAE 4130 Alloy Steel Bar
- Date.October 31, 2024
- Category.Carbon Steel Bar
- Keyword.Big fire special steel, high strength steel plate, steel industry supply and demand, steel suppliers
AISI/SAE 4130 Alloy Steel Bar Description
AISI 4130 steel bar is made of high-strength, low-alloy steel that is mainly used in high-temperature, high-pressure, and high-strength industrial fields. 4130 steel is a chromium-molybdenum low-alloy steel that has much higher strength and toughness than typical steel grades. Additionally, the reduced carbon content of this alloy, while limiting strength through thickness, provides better weldability than its 4140 steel counterpart. These properties make AISI 4130 steel bar a popular choice in the aerospace industry for manufacturing commercial and military aircraft components that require high strength and low weight.
Product Parameters
Product Name | AISI/SAE 4130 Alloy Steel Bar | |||
Standard | EN/DIN/JIS/ASTM/BS/ASME/AISI, etc. | |||
Common Round Bar Specifications | 3.0-50.8 mm, Over 50.8-300mm | |||
Flat Steel Common Specifications | 6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm | |||
Hexagon Bar Common Specifications | AF5.8mm-17mm | |||
Square Bar Common Specifications | AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm | |||
Length | 1-6meters, Size Accept Custom | |||
Diameter(mm) | Hot Rolling Round Bar | 25-600 | Cold Rolling Square Bar | 6-50.8 |
Hot Rolling Square Bar | 21-54 | Cold Rolling Hexagon Bar | 9.5-65 | |
Cold Rolling Round bar | 6-101.6 | Forged Rebar | 200-1000 | |
Surface Process | Bright, Polished, Black | |||
Other Services | Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. | |||
Chemical Composition
Grade | Mn | S | C | P | Si | Cr | Mo |
AISI 4130 | 0.4-0.8 | 0.04 | 0.28-0.33 | 0.035 | 0.15-0.35 | 0.8-1.1 | 0.15-0.25 |
Mechanical Properties
Grade | Tensile Strength N/mm2 Min | Yield Strength N/mm2 Min | A, % Min | Z, % Min |
AISI 4130 | 930 | 735 | 12 | 50 |
Scope of Application
SAE 4130 round bars are commonly used in structural applications, including brackets, gears, and some aircraft exteriors.
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