2205 stainless steel

2205 stainless steel forgings are versatile and reliable components used in various demanding applications. Their high strength, superior corrosion resistance, and excellent resistance to stress corrosion cracking make them ideal for industries ranging from oil and gas to marine applications.

Descriptions

1. Chemical Composition

The chemical composition of 2205 stainless steel is critical to its performance. Below is a detailed table of its chemical composition:

Element	Composition (%)
Carbon (C)	≤0.030
Manganese (Mn)	≤2.00
Silicon (Si)	≤1.00
Phosphorus (P)	≤0.030
Sulfur (S)	≤0.020
Chromium (Cr)	22.00-23.00
Nickel (Ni)	4.50-6.50
Molybdenum (Mo)	3.00-3.50
Nitrogen (N)	0.14-0.20
Iron (Fe)	Balance

2. Mechanical Properties

The mechanical properties of 2205 stainless steel forgings are essential for determining their suitability for various applications. The following table provides detailed mechanical properties:

Property	Value
Tensile Strength	620 MPa (90,000 psi)
Yield Strength (0.2% offset)	450 MPa (65,000 psi)
Elongation in 50 mm	25%
Hardness (Brinell)	293 max
Modulus of Elasticity	200 GPa(29 x 10^6 psi)
Density	7.80 g/cm³(0.282 1b/in³)
Melting Range	1380-1440℃(2516-2624°F)

3. Common Forging Product

Forged Flanges

Forged Fittings

Forged Bars

Forged Shafts

Forged Valves

4. Industry standards

ASTM A182/A182M: Standard specification for forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service.

ASTM A473: Standard specification for stainless steel forgings.

ASME SA182/SA182M: Similar to ASTM A182 but specifically for ASME Boiler and Pressure Vessel Code applications.

EN 10250-4: Open die steel forgings for general engineering purposes – Part 4: Stainless steels.