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Introduction
S35045 as well as know as Alloy 803 or Incoloy 803,it is high strength Austenitic stainless steel and popular for excellent corrosion resistance, Heat resistance and good toughness, It is able to resist oxidation, stress corrosion cracking, and pitting better than other materials, and designed for use in petrochemical, chemical and thermal processing applications.
Chemical compotents(%)
Composition | C | Si | Mn | P | S | Cr | Ni | Cu | Ti | Al |
Min | 0.06 | \ | \ | \ | \ | 25 | 32 | \ | 0.15 | 0.15 |
Max | 0.1 | 1 | 1.5 | 0.045 | 0.015 | 29 | 37 | 0.75 | 0.60 | 0.60 |
Mechanical properties
Rigidity | Tensile strength | Yield strength | Elongation |
HRB≤90 | ≥485MPa | ≥170MPa | ≥35% |
Physical properties
Density | Melting points | Specific heat | Magnetism | Resistivity | Thermal conductivity | Linear expansivity |
7.75kg/dm3 | 1350-1400℃ | 0.46J/(Kg.℃） | yes | 0.6Ω·mm²/m(20℃) | :36.9W/(m.k)(100℃) | 10×10-6/K(0-100℃) |
Available products and standard
Product Form | Standard |
Plate, sheet and strip | ASTM A240, A480 |
Seamless pipe and tube | ASTM A213 |
Welded tube | ASTM A249 |
Forgings | ASTM A182 |
Advantages
(1) Corrosion resistance: Excellent performance in harsh environments such as strong acids and strong alkalis.
(2) High strength and good toughness: Maintain high strength and toughness in high and low temperature environments.
(3) Excellent wear resistance:Resistant to scratches and wear, and is suitable for high temperature and high pressure environments.
(4) Good heat resistance: It can work for a long time under high temperature conditions without failure.
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