ASTM A268 Small Diameter Stainless Tubing , 3 Inch Stainless Steel Pipe

ASTM A268 409 409L Stainless Steel Tubing,Welded Tube UNS S40900

ASTM A268 409 409L 1.4512 stainless steel is an alloy designed principally for the automotive exhaust industry, although it has been used successfully in other industrial applications. It combines good elevated temperature corrosion resisitance with medium strength, good formability and overall cost. 409L stainless steel is highly resistant to high temperatures, achievable engine and exhaust systems, and reduces the thickness of the exhaust system to reduce exhaust emissions. Low cost, good flexibility, high yield, easy replacement, and environmentally friendly new products.

409 is a titanium stabilised ferritic stainless steel. Although regarded as a general-purpose chromium stainless steel the primary application for Grade 409 is automotive exhaust systems. Its applications are those where appearance is a secondary consideration to mechanical properties and corrosion resistance and where some weldability is required.

Type 409 is a ferritic stainless steel that has a good combination of heat resistance and corrosion resistance. Its titanium stabilized low nickel content provides for an economical metal to corrosion resistance and oxidation resistance.

Ferritic stainless steels are classified in the 400 series, usually with 10% to 30% chromium content, and are often chosen for their excellent corrosion resistance and elevated temperature oxidation resistance. With greater strength than carbon steels, ferritics provide an advantage in many applications where thinner materials and reduced weight are necessary, such as automotive emission control systems. They are nonhardenable by heat treating and are always magnetic.

Common Trade Names
409 Stainless, 409 Stainless Steel

Features
Although susceptible to rust formation, making this grade of stainless steel somewhat undesirable for decorative purposes, 409 is extremely resistant to various forms of gas corrosion.

• It is suggested prior to welding, the steel is pre-heated to 150-260C and also suggested post-weld annealing at 760-815C.

Applications

409 is the perfect grade stainless steel to be used in automotive applications where visual appeal is not a top priority. For this reason and for its durability to gas corrosion, 409 is most commonly used in truck exhaust systems, agricultural equipment, and heat and gas turbine exhaust silencers.

Typical Manufacturing Specifications:

ASTM A268

ASME SA268

Quality Assurance:

Spezilla's seamless bright annealed stainless steel tubes are produced acc. to the following process and inspection to assure our quality:

1. Chemical Composition Analysis Test With 100% PMI.

2. Solution Annealing / Bright Annealed.

3. 100% Hydrostatic Test and 100% Eddy Current Test

4. Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test.

5. Impact Test subject to Standard request.

6. Grain Size Test and Intergranular Corrosion Test.

7. Visual Test and Endoscope Test for Surface Quality Test

Chemical Composition of ASTM A268 409 S40900 Grade and EN 10088-2 1.4512 1.4516 Stainless Steel

Spezilla specialise in manufacturing high quality precision stainless steel tube and other corrosion resistant alloy tubes that are designed to industry and customer specifications. Our products are manufactured to the highest quality standards and are very competitively priced. Our mission is to provide customized, flawless, reliable, and affordable corrosion resistant steel tubes to the world.

Tube Type: Welded, Welded & Drawn. Straight Length or Coils.

Tube Materials: Austenitic: 304, 304L, 316L, 321, 316Ti, 317L, 904L, 254 SMO;

1.4301, 1.4307, 1.4401, 1.4404, 1.4541, 1.4571, 1.4539, 1.4547;

Duplex: 2205, 2507; 1.4462, 1.4410;

Ferritic: 409, 439, 441, 444; 1.4512, 1.4510, 1.4509, 1.4521;

Nickel Alloy: 800, 800H, 800HT, 825, C276; 1.4876, 1.4958, 1.4959, 2.4858, 2.4819;

Titanium: Gr.1, Gr.2;

Tube Size: O.D. 4.00 - 38.10MM, W.T. 0.30 - 3.0MM.

Tube Finish: As Welded, Bright Annealed, Annealed & Pickled, Polished, Custom Cutting.

Tube Standards: ASTM A249, A268, A269, A270, A688, A789, B338;

EN 10217-7 TC1 & TC2, EN 10296-2, EN10357 etc.

Applications: Heat Exchangers, Food & Beverage, Heating Elements, Automative, Tube Manipulation etc.

Spezilla appreciates the opportunity to help you with your questions about our operations, our products, our services or any other aspect of our business. We understand the demands of placing orders and the need for fast quotes, so we guarantee a response in 24 hours or less.