Complete Guide to 410 Stainless Steel Heat Treatment and Tempering

Oct 16, 2025

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If you're working with 410 stainless steel for components that require strength, hardness, and moderate corrosion resistance, understanding its heat treatment and tempering process is essential. 410 stainless steel, a martensitic grade containing 11.5–13.5% chromium, can be hardened and tempered to achieve excellent mechanical properties - making it ideal for valves, shafts, pumps, turbine blades, and fasteners.

GNEE supplies high-quality ASTM A276 / A479 Type 410 stainless steel bars, pipes, and sheets, precisely heat-treated to meet international standards.

What is 410 Stainless Steel?

410 stainless steel is a hardenable, martensitic grade containing roughly 11.5–13.5% chromium, designed for high strength, wear resistance, and moderate corrosion resistance. It is magnetic and commonly used in fasteners, cutlery, dental/surgical instruments, and pump parts due to its ability to be hardened and tempered.

410 Stainless Steel Chemical Composition (%)

Element	C	Mn	Si	P	S	Cr	Ni	Fe
Typical Range	0.08–0.15	≤1.00	≤1.00	≤0.04	≤0.03	11.5–13.5	≤0.75	Balance

410 Stainless Steel Mechanical Properties (After Heat Treatment)

Property	Annealed Condition	Hardened & Tempered Condition
Tensile Strength (MPa)	450–650	700–950
Yield Strength (MPa)	280–400	500–700
Hardness (HB)	170–200	240–320
Elongation (%)	20	12

410 Stainless Steel Heat Treatment Process

The heat treatment of 410 stainless steel consists of three main steps - annealing, hardening (quenching), and tempering .

1. Annealing

Purpose: To soften the steel and remove internal stresses.

Temperature: 815–900°C (1500–1650°F).

Cooling: Slowly in a furnace or in air to prevent cracking.

2. Hardening (Quenching)

Purpose: To increase hardness and tensile strength.

Temperature: 925–1010°C (1700–1850°F).

Quenching Medium: Oil or air.

Result: Formation of martensitic structure with high hardness but low ductility.

3. Tempering

Purpose: To improve toughness and relieve stresses induced during hardening.

Temperature: 150–370°C (300–700°F).

Cooling: Air cooling.

Note: Double tempering may be used for critical applications.

What is the maximum operating temperature for 410 stainless steel?
It can be used continuously up to 650°C (1200°F) under dry air conditions.

Is 410 stainless steel magnetic?
Yes, it is magnetic both in the annealed and hardened conditions.

How does 410 compare to 304 stainless steel?
410 offers higher hardness and wear resistance but lower corrosion resistance than 304, making it better suited for mechanical or heat-resistant environments.

Market Analysis: Why Choose 410 Stainless Steel?
With growing demand in Automotive Exhaust Systems, Turbine Blades, And Chemical Processing, 410 stainless steel remains a cost-effective material that delivers High Performance Under Moderate Corrosion Conditions. Compared to 304 or 316, 410 offers Superior Hardness At A Lower Price, making it an ideal choice for manufacturers looking for Strength And Economy.

Global prices (as of October 2025) for 410 Stainless Steel Round Bars range between $2.20–$3.00 Per Kg, depending on size, finish, and order quantity.

410 Stainless Steel Supplier

With 18+ years of export experience, GNEE operates advanced production lines including CNC lathes, forging presses, bright annealing furnaces, and ultrasonic testing systems. All 410 stainless steel products undergo strict quality inspections to ensure conformity with ASTM, ASME, EN, and JIS standards.

GNEE has successfully supplied 410 stainless bars and sheets to industries in Europe, the Middle East, and Southeast Asia, earning high customer satisfaction for quality and delivery reliability.

GNEE provides a complete range of 410 stainless steel products in various forms and dimensions:

Product Type	Standard	Size Range	Surface Finish
Round Bar	ASTM A276 / A479	Ø6–300 mm	Black, Bright, Peeled
Sheet / Plate	ASTM A240	0.5–50 mm	2B, BA, No.1, Polished
Pipe / Tube	ASTM A268	½"–12"	Annealed, Pickled
Coil	ASTM A240	Custom	2B, BA, No.4
Forged Bar	ASTM A276	Custom	Rough or Machined