Stainless Steel 439 Tubing

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Stainless Steel 439 Tubing Manufacturer, Supplier and Exporter in Istanbul, Turkey

Irfan Pipes and Tubes, located in Istanbul, Turkey, has made a name for itself as a top-notch manufacturer and supplier of high-quality stainless steel products, including Stainless Steel 439 Tubing. This material is celebrated for its outstanding resistance to oxidation and corrosion, particularly in high-temperature settings. As a ferritic stainless steel, Stainless Steel 439 is commonly found in automotive exhaust systems, industrial equipment, and heat exchangers. Irfan Pipes and Tubes is committed to upholding international standards like ASTM and DIN, delivering durable, precision-engineered tubing solutions that blend strength, reliability, and cost-effectiveness, consistently meeting the needs of demanding industrial sectors.

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Stainless Steel 439 Tubing is mainly made up of 16–18% chromium with very little nickel, which classifies it as a ferritic stainless steel. It has low carbon content (typically under 0.12%), along with manganese, silicon, and small amounts of titanium for stabilization. This unique composition gives it excellent oxidation resistance at high temperatures and solid corrosion resistance. On the mechanical side, Stainless Steel 439 boasts a tensile strength ranging from 450 to 600 MPa and moderate ductility. Its ferritic structure also provides good thermal conductivity and resistance to stress corrosion cracking, making it a great choice for applications exposed to heat.

Stainless Steel 439 Tubing Specification

GRADES	TP 439 Stainless Steel Tubes / UNS S43035 / DIN 1.4510
SIZE	1/2″ NB to 24″ NB
STANDARDS	ASTM A213, ASTM A249, ASTM A554, ASTM A269, ASTM A270, ASTM A790, ASTM A789
TYPE	Seamless Tubes, Welded Tubes, EFW Tubes, ERW Tubes, Fabricated Tubes, Cold Drawn Welded Tubes (CDW Tubes)
FORM	Round Tubes, Square Tubes, Rectangular Tubes, Oval Tubes, Hydraulic Tube, etc.
END	Plain End, Treaded, Beveled End
TOLERANCE on Length	Commercial Length: 6000mm +/- 30mm Fix Length: from 1200 mm up to 12000mm with a tolerance up to -0/+ 5mm
FINISH	Seamless, Welded, Brushed, Pickled, Solution Annealed and Pickled up to O.D. 219.1mm, Polished Grit 120 – 600, Mirror Polished

Stainless Steel 439 Tubing Equivalent

Grade	WERKSTOFF NR.	UNS
SS 439	1.4510	S43035

439 Stainless Steel Tubing Chemical Composition

Grade	Fe	Cr	Si	Ti	Mn	Ni	Mo	Nb/Cb	P	N	C	S
SS 439	81.3535	17.35	0.35	0.335	0.25	0.200	0.1	0.02	0.02	0.0100	0.01	0.0015

SS 439 Tubing Mechanical Properties

Tensile strength (annealed)	438 MPa	63500 psi
Yield strength (annealed/ @strain 0.200 %)	263 MPa	38100 psi
Modulus of elasticity	GPa	ksi
Poisson’s ratio	0.270 – 0.290	0.270 – 0.290
Elongation at break (In 2″, 50% cold worked)	2.80%	2.80%
Hardness, Rockwell B (annealed)	72.9	72.9

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose Stainless Steel 439 Tubing from Irfan Pipes and Tubes?

Choosing Stainless Steel 439 Tubing from Irfan Pipes and Tubes ensures high quality materials that resist corrosion and heat. Their materials offer excellent weldability, low risk of intergranular damage, and durability in tough materials. Irfan offers precision engineered tubing with strict quality control, ensuring reliability in the automotive, industrial and construction industries. Their customer service, competitive pricing and on-time delivery make them a trusted provider of stainless steel specialty solutions.

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Largest Stainless Steel 439 Tubing Supplier in Istanbul, Turkey

Irfan Pipes and Tubes, one of the largest suppliers of Stainless Steel 439 Tubing in Istanbul, Turkey, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

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439 Stainless Steel Tube Sizes

Wall	Sizes ( O.D.)
.010	1/16″ , 1/8″ , 3/16″
.020	1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″
.012	1/8″
.016	1/8″ , 3/16″
.028	1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″
.035	1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.049	3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.065	1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″
.083	1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″
.095	1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.109	1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.120	1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″
.125	3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″
.134	1″
.250	3″
.375	3 1/2″

Physical properties of SS 439 Tubing

Density (lb./ in^2) @ RT		0.278
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	168.0
Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F)	32 to 212oF	5.6
	32 to 932oF	6.4
	32 to 1,472oF	6.9
Electrical Resistivity (micro ohms – cm)	at 70oF	63
Oxidation Resistance – Continuous Service(oF)		1700

SS 439 Tube Tolerances

Stainless Steel 439 Tube OD	Stainless Steel 439 Tube Tolerance
4mm to 35mm	+/- 0.08mm
35mm to 38mm	+/- 0.15mm
38mm to 60mm	+/- 0.20mm
60mm and above	+/- 0.25mm

Types of Stainless Steel 439 Tubing

Are Custom Sizes Available for Stainless Steel 439 Tubing?

Yes, we offer custom sizes for Stainless Steel 439 Tubing to meet your specific requirements. Our team at Irfan Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@irfanpipes.com.

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Stainless Steel 439 Tubing is commonly utilized in automotive exhaust systems, mufflers, and catalytic converters thanks to its impressive high-temperature oxidation resistance. It’s also used in industrial heat exchangers, boilers, and furnace components where thermal stability and corrosion resistance are essential. Beyond that, you can find it in kitchen appliances, architectural panels, and chemical processing equipment. Irfan Pipes and Tubes offers stainless steel 439 tubing that adheres to strict quality and durability standards, ensuring it meets the demands of various applications.