309Si2, 1.4828, S38240, High Temperature Resistant Austenitic Stainless Steel
Premium Quality from FUSHUN SPECIAL STEEL – Leading Manufacturer
Steel Grade Overview and Applications
309Si2 stainless steel is a premium austenitic stainless steel material manufactured by FUSHUN SPECIAL STEEL with exceptional high-temperature resistance and corrosion resistance properties. This advanced steel grade exhibits superior high-temperature strength and oxidation resistance, making it an ideal choice for demanding industrial applications.
As a direct manufacturer, FUSHUN SPECIAL STEEL specializes in producing 309Si2 stainless steel that is particularly suitable for furnace components and high-temperature structural applications. The steel demonstrates sensitivity to sulfur-containing atmospheres and may exhibit embrittlement tendencies at temperatures between 600-800℃.
International Designations
309Si2 • 1.4828 • X15CrNiSi20-12 • 20X20H14C2 • 16Cr20Ni14Si2 • 1Cr20Ni14Si2 • S38240
Chemical Composition
FUSHUN SPECIAL STEEL maintains strict quality control over the chemical composition of 309Si2 stainless steel to ensure consistent performance and reliability:
| Element | Symbol | Content (%) | Function |
|---|---|---|---|
| Carbon | C | ≤0.20 | Strength enhancement |
| Silicon | Si | 1.50~2.50 | High temperature oxidation resistance |
| Manganese | Mn | ≤1.50 | Deoxidation and strength |
| Chromium | Cr | 19.00~22.00 | Corrosion resistance |
| Nickel | Ni | 12.00~15.00 | Austenitic structure stability |
Physical and Mechanical Properties
Physical Properties
- •Density: 7.98 g/cm³
- •Melting Point: 1397~1453℃
- •Thermal Conductivity (100℃): 15.5 W/(m·K)
- •Magnetic Properties: Non-magnetic
Mechanical Properties
- •Tensile Strength: ≥520 MPa
- •Yield Strength: ≥205 MPa
- •Elongation: ≥40%
- •Hardness: ≤187HB
Standards Compliance
ASTM A276 • ASTM A240/ASME SA-240 • ASTM A182/ASME SA-182 • EN 10095 • EN 10028 • ISO 4955 • GB/T 20878
Production Capabilities and Available Forms
As a leading manufacturer, FUSHUN SPECIAL STEEL offers comprehensive production capabilities for 309Si2 stainless steel in various forms to meet diverse industrial requirements. We welcome large volume orders and provide customized solutions.
Hot Rolled Products
Round Bars: Ø6mm – Ø300mm
Flat Bars: 10×20mm – 80×200mm
Plates: 3mm – 50mm thickness
Hot Forged Products
Forged Rounds: Ø50mm – Ø800mm
Forged Blocks: Custom dimensions
Wire: Ø0.1mm – Ø25mm
FUSHUN SPECIAL STEEL Manufacturing Advantages
Choose FUSHUN SPECIAL STEEL as your trusted manufacturer for 309Si2 stainless steel. We offer complete in-house manufacturing capabilities and welcome large volume orders with competitive pricing and reliable delivery.
Advanced Melting Technology
In-house smelting capabilities with ESR (Electroslag Remelting), VIM (Vacuum Induction Melting), and VAR (Vacuum Arc Remelting) technologies for producing premium quality steel.
Complete Heat Treatment
Comprehensive in-house heat treatment facilities ensuring stable quality control and consistent mechanical properties with fast delivery times.
Precision Finishing Services
In-house turning and grinding capabilities that save downstream customers valuable time and costs while maintaining superior surface quality.
Direct Manufacturer Benefits
As a direct manufacturer, we provide competitive pricing, flexible customization, reliable quality assurance, and preferential terms for large volume orders.
Industrial Applications
309Si2 stainless steel from FUSHUN SPECIAL STEEL serves critical applications across multiple industries due to its exceptional high-temperature resistance and corrosion resistance properties:
High-Temperature Furnaces
Heat treatment furnaces, melting furnaces, and industrial heating equipment components.
Chemical Processing
Reaction vessels, heat exchangers, distillation towers, and storage tanks.
Food Processing
Food processing containers, mixers, and high-temperature cooking equipment.
Specialized Industries
Medical instruments, marine engineering, petrochemical, and aerospace applications.
Contact FUSHUN SPECIAL STEEL Today
Ready to place your order for premium 309Si2 stainless steel? As a leading manufacturer, we welcome large volume orders and provide competitive pricing with reliable delivery. Contact us for quotations, technical specifications, or custom manufacturing requirements.
Trust FUSHUN SPECIAL STEEL – Your Premier Stainless Steel Manufacturing Partner
