309 Equal Stainless Steel Angle
Type:Equal
Standard:GB, ASTM, JIS, AISI, DIN, BS
Application:Construction/Bridge/Tower
Processing Service:Bending, Welding, Punching, Decoiling, Cutting
Delivery Time:8-14 Days
Thickness:3-24mm
Shape:Equilateral Angle Bar
Transport Package:Standard Seaworthy Packing
Specification:customized
Production Capacity:5000t/Months
What is 309 Equal Stainless Steel Angle ?
309 equal diameter stainless steel angle steel (equilateral stainless steel angle steel) complies with ASTM A276 and GB/T 1220 standards, with material code S30908 (309S). Its cross section is an equilateral L-type (side length 25×25mm~200×200mm). It is suitable for high-temperature frames, brackets and connectors that require symmetrical load-bearing. It can maintain stable mechanical properties and corrosion resistance when in long-term service at 800℃.
309 stainless steel structural profile
Advantages of 309 equal stainless steel angle iron
The tensile strength of 309 high-strength stainless steel angle is ≥520MPa, the yield strength is ≥205MPa, and the elongation is ≥40%. It can withstand dynamic loads and vibrations and is suitable for high-temperature fan brackets and heat treatment furnace transmission systems.
The creep resistance of 309 high-temperature stainless steel angle is 2 times higher than that of 304 stainless steel, and it supports continuous high-temperature load-bearing for 10,000 hours (such as heating furnace tray bracket).
The 309 equilateral right-angle structure (side length error ±0.5%) provides symmetrical support, which is suitable for building stable triangular trusses and equipment bases to reduce stress concentration.
Why choose GNEE
GNEE always has 100 tons of mainstream high-temperature specifications such as 50×50×5mm, 75×75×6mm in stock, and will ship directly within 48 hours after placing an order.
Export capability: Provide AMS 5535 aviation-grade certification (optional), fumigation-free wooden box packaging, and support DDP delivery at major ports around the world.
If you need a detailed quotation, high-temperature performance test report or customized solution for 309 stainless steel angle steel, please contact us!
309 stainless steel angle iron – Specification
| Material Grade | 309 Stainless Steel (UNS S30900 / EN 1.4828) |
| Product Name | Stainless Steel Angle Iron / Angle Bar / Right Angle |
| Shape Type | Equal & Unequal Angle Section (L Profile) |
| Standards | ASTM A276 / A484 / EN 10056 |
| Size Range (Equal) | 20×20×3 mm to 100×100×10 mm |
| Size Range (Unequal) | Custom sizes available upon request |
| Length | Standard 6 meters (custom lengths available) |
| Thickness | 3 mm to 10 mm |
| Surface Finish | Hot Rolled, Pickled, 2B, Polished |
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