410 stainless steel

It is one of the most widely used martensitic stainless steels and is often chosen for applications requiring a combination of strength, hardness, and wear resistance.

Descriptions

1. Chemical Composition

The chemical composition of 410 stainless steel is critical to its performance. Below is a detailed table of its chemical composition:

Element	Composition (%)
Carbon (C)	0.08-0.15
Manganese (Mn)	≤1.00
Silicon (Si)	≤1.00
Phosphorus (P)	≤0.040
Sulfur (S)	≤0.030
Chromium (Cr)	11.50-13.50
Nickel (Ni)	≤0.75
Iron (Fe)	Balance

2. Mechanical Properties

The mechanical properties of 410 stainless steel forgings can vary significantly depending on the heat treatment process. The following table provides detailed mechanical properties for 410 stainless steel in the annealed and hardened conditions:

Property	Annealed Condition	Hardened Condition
Tensile Strength	480 MPa(70,000 psi)	1650 MPa (240,000 psi)
Yield Strength(0.2%offset)	275 MPa(40,000 psi)	1380 MPa (200,000 psi)
Elongation in 50 mm	25%	12%
Hardness (Brinell)	155-200	375-425
Modulus of Elasticity	200 GPa (29 x 10^6 psi)	200 GPa (29 x 10^6 psi)
Density	7.70 g/cm3 (0.278 1b/in3)	7.70 g/cm³(0.278 1b/in³)
Melting Range	1480-1530℃(2696-2786°F)	1480-1530℃(2696-2786°F)

3. Common Forging Product

Valve Components: Such as stems, seats, and gates.

Pump Shafts: Where strength and corrosion resistance are needed.

Fasteners: Bolts, screws, and nuts requiring high strength.

Turbine Parts: Blades and other components exposed to high stress and moderate corrosion.

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.