ASTM A182 (F1–F91) & A335 (P5–P91) AS Round Bars & Rods.
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Product Description:
Discover our premium range of AISI AS Round Bars and Rods, tailored for diverse industrial needs. AISI 303 is known for its excellent machinability and is often used in fittings and fasteners.
AISI 304 and 316 excel in corrosion resistance, with 316 being preferred in marine and highly corrosive environments due to its enhanced molybdenum content. For applications requiring high strength and hardness, AISI 410 and 420 are ideal, with 420 providing superior wear resistance.
AISI 431 offers high tensile strength and toughness in both heat-treated and annealed conditions. Available in a variety of diameters and finishes, these round bars and rods are designed to meet rigorous performance standards.
AISI 303, 304, 316, 410, 420, and 431 alloy steel round bars and rods are known for their excellent mechanical properties, high corrosion resistance, and versatility. These grades cater to a wide range of industrial applications, including automotive, aerospace, construction, and manufacturing.
Product Overview
AISI 303 Alloy Steel
- Characteristics: Free-machining stainless steel with added sulfur or selenium for improved machinability.
- Applications: Bolts, screws, gears, and general-purpose machining.
AISI 304 Alloy Steel
- Characteristics: General-purpose austenitic stainless steel with excellent corrosion resistance and weldability.
- Applications: Kitchen equipment, tanks, piping, and architectural components.
AISI 316 Alloy Steel
- Characteristics: Molybdenum-bearing grade with superior resistance to chlorides and marine environments.
- Applications: Marine equipment, chemical processing, and medical devices.
AISI 410 Alloy Steel
- Characteristics: Martensitic stainless steel with good hardness and moderate corrosion resistance.
- Applications: Turbine blades, valve components, and tools.
AISI 420 Alloy Steel
- Characteristics: High-carbon martensitic steel with excellent strength and hardness after heat treatment.
- Applications: Surgical instruments, cutlery, and molds.
AISI 431 Alloy Steel
- Characteristics: Martensitic stainless steel with high strength and excellent corrosion resistance.
- Applications: Shafts, bolts, and marine hardware.
Specifications
Grade | Diameter Range | Standard | Applications |
AISI 303 | 10 mm to 200 mm | ASTM A582, EN 10088 | Fasteners, fittings, and valves |
AISI 304 | 6 mm to 250 mm | ASTM A276, ASTM A484 | Food processing equipment, piping |
AISI 316 | 6 mm to 200 mm | ASTM A276, ASTM A479 | Marine and chemical processing |
AISI 410 | 8 mm to 300 mm | ASTM A276, ASTM A479 | Industrial tools, turbine blades |
AISI 420 | 10 mm to 250 mm | ASTM A276, ASTM A484 | Surgical tools, molds |
AISI 431 | 10 mm to 200 mm | ASTM A276, EN 10088 | Shafts, marine hardware |
Chemical Composition
Element | AISI 303 (%) | AISI 304 (%) | AISI 316 (%) | AISI 410 (%) | AISI 420 (%) | AISI 431 (%) |
Carbon (C) | ≤ 0.15 | ≤ 0.08 | ≤ 0.08 | 0.08-0.15 | 0.15-0.30 | ≤ 0.20 |
Chromium (Cr) | 17.0-19.0 | 18.0-20.0 | 16.0-18.0 | 11.5-13.5 | 12.0-14.0 | 15.0-17.0 |
Nickel (Ni) | 8.0-10.0 | 8.0-10.5 | 10.0-14.0 | ≤ 0.75 | ≤ 0.75 | 1.25-2.50 |
Molybdenum (Mo) | – | – | 2.0-3.0 | – | – | – |
Mechanical Properties
Property | AISI 303 | AISI 304 | AISI 316 | AISI 410 | AISI 420 | AISI 431 |
Tensile Strength (MPa) | 500-750 | 515-750 | 515-750 | 500-700 | 550-750 | 750-1000 |
Yield Strength (MPa) | 190-230 | 205 | 205 | 275 | 345 | 450 |
Hardness (HB) | ≤ 250 | ≤ 200 | ≤ 200 | 180-250 | 200-300 | 230-300 |
Elongation (%) | ≥ 35 | ≥ 40 | ≥ 40 | ≥ 20 | ≥ 18 | ≥ 20 |
Key Features
- High Corrosion Resistance: Superior performance in various environments.
- Excellent Machinability: Enhanced processing for precision applications.
- Strength and Toughness: High durability and reliability under stress.
- Versatile Applications: Suitable for industries like marine, aerospace, and medical.
- Heat and Wear Resistance: Ideal for high-temperature and wear-prone environments.
Why Choose Our Alloy Steel Round Bars and Rods?
With a comprehensive range of AISI 303, 304, 316, 410, 420, and 431 Alloy Steel Round Bars and Rods, we ensure top-quality materials tailored to your specific industrial requirements. These bars and rods meet stringent international standards, offering unparalleled performance and reliability.
Contact us today for detailed specifications, custom dimensions, and competitive pricing for your alloy steel requirements!
