1Cr25Ni20Si2/16Cr25Ni20Si2 Stainless Steel

1Cr25Ni20Si2 features high high-temperature strength and oxidation resistance, is sensitive to sulfur-containing atmospheres, has a tendency to脆ize at 600-800°C due to precipitated phases, and is suitable for manufacturing various furnace components that bear stress.

New Brand Number: 16Cr25Ni20Si2

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Corresponding Japanese Brand: SUH310

Corresponding German brand number: X15CrNiSi25

Corresponding U.S. Brand Number: 310

French Brand Equivalent: Z25CNWS14-14

Scope of Application for Features

High-temperature strength and oxidation resistance; sensitive to sulfur-containing atmospheres; exhibits a tendency to embrittle with the formation of precipitate phases at 600-800°C; suitable for manufacturing various furnace components that withstand stress.

Chemical Composition

Carbon C: ≤0.20

Silicon (Si): 1.50～2.50

Manganese (Mn): ≤1.50

Sulfur (S): ≤0.030

Phosphorus P: ≤0.035

Chrome (Cr): 24.00～27.00

Nickel (Ni): 18.00～21.00

Mechanical properties

Tensile Strength σb (MPa): ≥590

Condition Yield Strength σ0.2 (MPa): ≥295

δ5 (%) elongation: ≥35

Section shrinkage rate ψ (%): ≥50

Hardness: ≤187HB

Heat Treatment Specifications

Heat Treatment Specification: Austenitize at 1080-1130℃ and quench rapidly.

Metallographic Structure: Characterized by an Austenitic microstructure.

Delivery Status

Shipment is generally made in the heat-treated specification condition, with the type of heat treatment specified in the contract; for those not specified, shipment will be made in the non-heat treated condition.