DIN 1.2787 AISI 431 ESR Stainless Steel Round Bar for Glass Moulds with High Tensile Strength and Corrosion Resistance
Price:
2.35
MOQ:
50
Delivery Time:
Negotiable
Product Description
DIN 1.2787 AISI 431 ESR Stainless Steel Round Bars for Glass Moulds
Premium ESR 431 stainless steel round bars specifically engineered for glass mold manufacturing. Available 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, offering extended mold life through its extra fine ESR structure.
431 mod. represents a special improved grade derived from 1.4057, offering extended mold life through its extra fine ESR structure.
Chemical Composition Specifications
FG431 & DG431 Grades
| 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 Properties & Characteristics
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 (Brinell 248-302).
Key Features
- Excellent corrosion resistance in 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
- Responsive to nitriding processes (surface hardness over Rc65)
- Magnetic in all conditions
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
International 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 |
Mechanical Properties
Condition T (Hardened & Tempered)
| Property | Value |
|---|---|
| Tensile Strength | 940 MPa |
| 0.2% Yield Strength | 750 MPa |
| Elongation in 50mm | 19% |
| Impact Izod | 65 J |
| Hardness | HB 280 / Rc 30 |
Important Note: Tempering within the range 370°C - 565°C should be avoided due to significant drop in impact properties.
Application Areas
- Glass mold manufacturing
- Aircraft parts and components
- Bolts, nuts, and fasteners
- Pump shafts and propellor shafts
- Studs and valve parts
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
TSING SHAN STEEL INDUSTRIAL LIMITED
Location
NO.288,Youyi Road Xi Shan Dristrict , Wuxi, Jiangsu, China
Contact Person
Gao Ben