321 Stainless Steel Square Rod 18-47mm with 520 MPa Tensile Strength for Industrial Applications
Price:
$499-599Ton
MOQ:
1 Ton
Delivery Time:
7-15 working days
Brand:
stainless steel bar
Product Description
Product Overview
321 stainless steel square rods feature a unique chemical composition that delivers superior strength and durability for demanding industrial applications. These bars offer excellent processing and welding capabilities, making them ideal for cutting, bending, and fabrication operations.
Key Features & Benefits
- Superior processing and welding properties for easy fabrication
- Excellent mechanical properties including tensile strength ≥520 MPa and elongation ≥40%
- Outstanding corrosion resistance against acids, alkalis, and salts
- High-temperature performance with good creep resistance
- Multiple surface treatment options available
Technical Specifications
Dimensions & Standards
| Parameter | Specifications |
|---|---|
| Product Type | Steel Bar |
| Round Bar Diameter | 4mm-500mm |
| Square Bar Size | 18mm-47mm (11/16″ to 1-3/4″) |
| Hexagon Bar Size | 18mm-57mm (11/16″ to 2-3/4″) |
| Flat Steel | 1/2" to 10", Thickness: 2mm-150mm |
| Standard Length | 1-6 meters (custom lengths available) |
| Standards | ASTM, AISI, JIS, GB, DIN, EN |
| Surface Treatments | Black, Bright Polished, Rough Turning, Mattness, No. 4, BA |
Chemical Composition
| Element | Content (%) |
|---|---|
| C (Carbon) | ≤ 0.08 |
| Si (Silicon) | ≤ 0.75 |
| Mn (Manganese) | ≤ 2.0 |
| Cr (Chromium) | 17.0-19.0 |
| Ni (Nickel) | 9.0-12.0 |
| S (Sulfur) | ≤ 0.03 |
| P (Phosphorus) | ≤ 0.045 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥520 MPa |
| Yield Strength | ≥205 MPa |
| Elongation | ≥40% |
| Hardness | ≤187HB; ≤90HRB; ≤200HV |
Physical Properties
| Property | Value |
|---|---|
| Density | 7.92 g/cm³ |
| Modulus of Elasticity | 193 GPa |
| Thermal Expansion Coefficient | 16.6 × 10⁻⁶/°C |
| Thermal Conductivity | 16.0 W/m·K |
| Resistivity | 72 ΜΩ·cm |
Applications
321 stainless steel bars are widely used across multiple industries including petroleum, chemical processing, aviation, aerospace, shipbuilding, defense, automotive, textiles, paper and pulp manufacturing, cement production, heavy earthmoving equipment, and construction applications.
Product Image
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shandong Heyixin Metal Materials Co., Ltd
Location
Dadonggang, East Head of Liaohe Road, Liaocheng Economic and Technological Development Zone, Shandong Province
Contact Person
Marco