431 Stainless Steel Round Bar - Corrosion Resistant High Tensile Strength Precision Machined for Industrial Applications
Price:
2.35
MOQ:
50
Delivery Time:
Negotiable
Product Description
431 Stainless Steel Bar - SS431 Round Bar
DIN 1.2787, AISI 431 ESR Stainless Steel Round Bars specifically engineered for glass mold manufacturing. Available in grades AISI 431, DIN 1.4057, and 1.2787, delivered in prehardened or soft annealed states with rough peeled surface finish.
NEW GENERATION FOR GLASS MOLDS MANUFACTURING
431 mod. represents a special improved grade derived from 1.4057. The ESR 431 premium variant delivers extended mold life through its extra fine microstructure.
Chemical Composition Specifications
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo | V |
|---|---|---|---|---|---|---|---|---|---|
| FG431 | 0.17 ~ 0.22 | 0.4 ~ 0.5 | 0.6 ~ 0.7 | 0.025 max. | 0.015 max. | 15.5 ~ 16.0 | 1.7 ~ 1.9 | 0.2 ~ 0.25 | 0.06 ~ 0.1 |
| DG431 | 0.20 ~ 0.25 | 0.25 ~ 0.35 | 0.8 ~ 0.9 | 0.025 max. | 0.015 max. | 15.5 ~ 16.0 | 1.8 ~ 1.9 | 0.3 ~ 0.35 | 0.05 ~ 0.1 |
Material Overview
431 is a high chromium-low nickel Martensitic stainless steel with exceptional hardenability, offering high strength and good corrosion resistance. Typically supplied hardened and tempered in the tensile range 850-1000 MPa (condition T) with Brinell hardness range 248-302.
Key Characteristics
- Excellent corrosion resistance in general atmospheric environments
- Good resistance to mild marine and industrial atmospheres
- Resistant to organic materials, nitric acid, and petroleum products
- High tensile and yield strength with excellent toughness
- Through hardening capability up to Rc44 depending on carbon content and section size
- Magnetic in all conditions
Standard Specifications
| Country | Standard | Designation |
|---|---|---|
| Australia | AS 2837-1986 | 431 |
| Germany | W.Nr 1.4057 | X20CrNi17 2 |
| Great Britain | BS970 Part3 1991 | 431S29 |
| Japan | JIS G4303 | SuS 431 |
| USA | ASTM A276-98b | 431 |
Stock Information
Color Code: Purple (Bar end)
Stocked Sizes: 6.35 to 260 mm diameter
Bar Finish: Peeled, Cold Drawn, Turned and Polished, Centreless Ground
Stocked Sizes: 6.35 to 260 mm diameter
Bar Finish: Peeled, Cold Drawn, Turned and Polished, Centreless Ground
Heat Treatment Guidelines
Typical Hardening Temperatures: 980°C - 1020°C
Typical Tempering Temperatures: 640°C - 660°C, 590°C - 610°C
Typical Tempering Temperatures: 640°C - 660°C, 590°C - 610°C
Important Note: Tempering within the range 370°C - 565°C should be avoided due to significant drop in impact properties.
Application Areas
- Aircraft Parts and Components
- Bolts and Nuts
- Fasteners
- Pump Shafts
- Propellor Shafts
- Studs
- Valve Parts
- Glass Mold Manufacturing
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Company
TSING SHAN STEEL INDUSTRIAL LIMITED
Location
NO.288,Youyi Road Xi Shan Dristrict , Wuxi, Jiangsu, China
Contact Person
Gao Ben