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309S Stainless Steel Plate SUS 309S Plate 6×1500×6000mm
309S stainless steel (S30908 per AISI/ASTM standards) offers superior corrosion resistance and high-temperature performance, capable of withstanding temperatures up to 980°C. This austenitic chromium-nickel stainless steel is primarily used in boiler, chemical, and industrial applications where exceptional heat resistance and corrosion protection are required.
Material Composition
The key difference between 309 and 309S stainless steel lies in carbon content. 309S features reduced carbon composition, which minimizes carbide precipitation and enhances weldability while maintaining excellent high-temperature properties.
Grade/E.
C
Mn
Si
P
S
Cr
Mo
Ni
Cu
309S
0.08 max
2.0 max
0.75 max
0.045 max
0.03 max
min: 22.0 max: 24.0
-
min: 12.0 max: 15.0
-
Mechanical Properties
Grade
Tensile Strength MPa (min)
Yield Strength 0.2% MPa (min)
Elongation %
Hardness (HB) MAX
309S
515
205
40
217
Surface Condition
Available in various commercial surface finishes including highly reflective, matte, glossy, polished, embossed, colored, plated, or etched surfaces. The material is easy to maintain with simple rinsing to remove dust and surface contaminants, thanks to its excellent corrosion resistance.
Applications
Ideal for applications requiring long-term structural integrity, water impermeability, and maintained aesthetic appearance. Commonly used in high-temperature environments, boilers, chemical processing equipment, and architectural applications where corrosion resistance and heat tolerance are critical.
International Stainless Steel Classification
Austenitic stainless steel: Marked with 200 and 300 series numbers (302, 304, 316, 310)
Ferritic and martensitic stainless steel: 400 series digital representation
Ferritic stainless steel: 430 and 446
Martensitic stainless steel: 410, 420, and 440C
Duplex, precipitation hardened, and high-alloy steels: Typically identified by patent or trade names
Export Packaging
Unit weight: 2-3 tons per package or as requested by client
Packing type: Strong wooden pallet with steel strip reinforcement, or customized to client specifications
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...
