Cold Rolled 409 Stainless Steel Sheet

409 Stainless Steel is a stabilized ferritic stainless steel that provides improved oxidation and corrosion resistance compared to carbon steel. Ease of fabrication combined with its corrosion resistance and economy have significantly broadened its utilization in automotive exhaust and other non-automotive applications. ASTM A240 defines three (3) sub categories of Type 409 stainless steel; UNS S40910, UNS S40920 and UNS S40930. Each of these designations has a slightly different Ti or Nb stabilization requirement. Each of these compositions can be supplied as UNS S40900 unless the purchaser specifically identifies a specific composition. It is produced with enhanced formability characteristics known as “High Performance” or “Ultra Form” in the industry.

Payment:
T/T,L/C
MOQ:
20 tons

Products Details

Cold Rolled 409 Stainless Steel Sheet/ Strip/Coil

WanJuan Steel can supply an extensive assortment of stainless steel products to meet customer needs. Our value-added service capabilities for stainless steel sheet and coil include slitting, shearing, stretcher leveling, blanking and metallurgical support.

Chemical Composition

Element	UNS S40910	UNS S40920	UNS S40930
Carbon	0.030 max.	0.030 max.	0.030 max
Manganese	1.00 max.	1.00 max.	1.00 max.
Sulfur	0.020 max.	0.020 max	0.020 max
Phosphorus	0.040 max.	0.040 max.	0.040 max.
Silicon	1.00 max.	1.00 max.	1.00 max.
Chromium	10.5 – 11.7	10.5 – 11.7	10.5 – 11.7
Nickel	0.50 max.	0.50 max.	0.50 max.
Nitrogen	0.030 max.	0.030 max.	0.030 max.
Titanium	6x(C+N) min. – 0.50 max.	8X(C+N)min. / 0.15 – 0.50	0.05 min.
Niobium	0.17 max.	0.10 max.
Ti + Nb			[0.08+8x(C+N)] min. – 0.75 max.

Mechanical Properties(For reference)

Type	Yield Strength 0.2% offset (KSI)	Tensile Strength (KSI)	% Elongation (2″ Gauge length)
S40910	25 min.	55 min	20 min.
S40920	25 min.	55 min.	20 min.
S40930	25 min.	55 min.	20 min.

Physical Properties

Density (lb./ in^2) @ RT		0.28
Modulus of Elasticity in Tension (psi x 10^6)		29
Specific Heat (BTU/o F/lb.)	32 to 212 oF	0.114
Thermal Conductivity (BTU/hr/ft^2/ft)	212oF	14.4
Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F)	32 to 212oF	5.84
	32 to 500oF	6.12
	32 to 900oF	6.60
	32 to 1,200oF	6.86
Electrical Resistivity (micro ohms – cm)	at 70oF	60.0
Oxidation Resistance – Continuous Service(oF)		1450

Application

Construction
Construction
Agriculture
Medical
Automotive
Petrochemical
Military
Transportation
Appliance

Advantages to choose us

We partner with leading manufacturers to provide cold-rolled, hot-rolled, galvanized, pre-painted, coated and stainless steel for major home appliances.
Quality assured products at competitive price;
High quality assured & competitive price;
Customized service to meet your special requirements;

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Subject : Cold Rolled 409 Stainless Steel Sheet

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