410 Stainless Steel By Yaang Pipe Industry www.yaang.com

by yane Yang Sales Manager

Type 410 Stainless Steel is a martensitic stainless steel that provides good corrosion resistance plus high strength and hardness. It is magnetic in both the annealed and hardened conditions. A wide range of properties can be developed with different heat treatments.

Product Forms:

Stainless Steel Pipes, Stainless Steel Flanges, Stainless Steel Pipe Fittings, Strip Specifications: ASTM A240

Chemical Composition:

Element	Type 410
Carbon	0.08 – 0.15
Manganese	1.00 max.
Sulfur	0.030 max.
Phosphorus	0.040 max.
Silicon	1.00 max.
Chromium	11.5 – 13.5
Nickel	0.75 max.

Mechanical Properties:

Type	Yield Strength 0.2% offset (KSI)	Tensile Strength (KSI)	% Elongation (2" Gauge length)	Hardness Rockwell
410 Ann	30 min.	65 min.	20 min.	HRB 96

Physical Properties:

Density (lb./ in^2) @ RT		0.28
Modulus of Elasticity in Tension (psi x 10^6)		29.0
Specific Heat (BTU/o F/lb.)	32 to 212 oF	0.11
Thermal Conductivity (BTU/hr/ft^2/ft)	212oF	14.4
	932oF	16.6
Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F)	32 to 212oF	5.5
	32 to 1,200oF	6.5
Electrical Resistivity (micro ohms - cm)	at 70oF	22.5

Typical Applications:

Collector rings, airplane exhaust stacks, annealing box covers, stainless steel flanges, stainless steel pipe fittings, jet engineparts,expansion joints, stainless steel tubes, stainless steel bars, stainless steel angle bars flexible metal hose and bellows.

Processing:

Annealing: Heat slowly to 1500 -1650°F, cool to 1100°F in furnace, air cool. Process Annealing: Heat to 1350 -1450°F, air cool. Hardening: Heat to 1700 - 1850°F, air cool or oil quench. Follow by stress-relief or temper. Stress Relieving: Heat at 300 - 800°F for 1 to 2 hours, air cool.

Tempering:

Heat to 1100 - 1400°F for 1 to 4 hours, air cool.

Forming:

Type 410 Stainless Steel has reasonably good cold working properties and can be moderately drawn and formed in the annealed condition.

Welding:

The martensitic alloys have limited weldability due to their hardenability. Corrosion: Type 410 Stainless Steel provides good corrosion resistance to air, water and some chemicals. It shows satisfactory resistance to nitric acid, concentrated sulfuric acid, dilute acetic acid and naphtha.

Source: Zhejiang Yaang Pipe Industry Co., Limited (www.yaang.com)