Skip to content 
431 Stainless Steel Round Bar
Description
The product is made of 431 stainless steel, which is a hard martensitic stainless steel alloy with high tensile and torsional strength as well as corrosion resistance. Therefore, this material is widely used in marine equipment. In addition, it is also often used as laboratory equipment, pumps, shafts, and propellers.
Application：
- Pump shaft propeller shaft
- Outboard motor drive shaft
- Valve rod
- Aircraft component
- Axle
Need a custom quote
or more information about this product? Contact our sales staff today!
Product Specification
Specification
| Dimension Name | Value |
|---|---|
| Diameter | customized |
| Max Length | customized |
| Alloy | 431 |
| Material | Stainless Steel |
| Shape | Bar-Round |
Mechanical Properties
| Property | Value |
|---|---|
| Yield Tensile Strength KSI | ≥690MPa |
| Ultimate Tensile Strength KSI | ≥850MPa |
| Proof Stress | ≥665MPa |
| Elongation A5 | 0.12 |
| Density | 7800kg/m³ |
| Modulus of Elasticity | 200 GPa |
| Electrical Resistivity | 720 n. Ω.m |
| Thermal Conductivity at 100°C | 20.2 W/m.K |
Chemical Composition
| Element | Percentage |
|---|---|
| C | 0.2 max |
| Cr | 15-17 |
| Mn | 1 max |
| Ni | 1.25-2.5 |
| P | 0.04 max |
| S | 0.03 |
| Si | 1 max |
Related Products
Diameter: 2.875”
Max Length: 144”
Temper: Annealed
Standard(s): AMS -5653, AMS -5648″
Diameter: 1.5”
Max Length: 144”
Temper: Annealed
Standard(s): AMS -QQ-S-763, AMS -5639″
Diameter: 0.25”
Max Length: 144”
Temper: Annealed
Standard(s): AMS -5640, ASTM -A582″
