Reliable Steels is one of the well-known distributor of Astm A249 Tubing. We offer SA249 Tubing Specification for nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels with various grades intended for such use as a boiler, heat exchanger, superheater, or condenser tubes. Materials shall be furnished in the heat-treated condition in accordance with the required solution temperature and quenching method. Reliable Steels is India's largest independent stockholder of ASTM A249 stainless steel tube includes ASTM A249 TP304, ASTM A249 TP316, ASTM A249 TP304L, ASTM A249 and ASTM A249 TP201 in custom-made shapes and sizes as per the clients requirements and at a reasonable market leading prices. Meet the most quality ASTM A249 Tubing providers, who have supplied to countries all around the world, such as Egypt, Israel, Uganda, and Algeria.
Email us Whatsapp us Call usThe tubes in the A249 grade are produced in seamless, welded, and erw configurations. ASTM 249 grade covers standard specification of welded austenitic steel boiler, condenser tubes, heat exchanger, and boiler vessels. The ASTM 249 Tube is designed with a chemical content of nickel, chromium, and molybdenum with other constituent alloys. This gives these tubes enhanced resistance to corrosive and oxidative media. ASTM A249 Tubing exhibits superior strength and torsion giving them excellent strength across different applications. The tubes can be furnished in heat-treated conditions keeping in mind the temperature of the solution and quenching method. The ASTM A249 Stainless Tube works well in elevated temperature setups where ordinary metal grades would deteriorate or falter under such pressures.
The ASME SA249 Stainless Steel Seamless Tubing is used in high pressure and temperature applications as it shows no welds or seams on its surface. ASTM A249 Stainless Steel ERW Tubes are extremely strong and durable as there is no requirement for a fusion of metals in this grade. ASTM A249 Stainless Steel Welded Tubes, is a versatile grade produced by rolling sheets or strips followed by welding them in different procedures. These tubes may not be strong as seamless types but are lower than the latter. The A249 ERW Tubes are produced by passing high voltage current through metal to weld them in place longitudinally. These tubes usually do not require filler metal to be welded in place.
| Specification | ASTM A249 / ASME SA249 Tube |
| Shapes | Hydraulic, Round, Rectangular, Honed Tubes, Square, Straight, U Shape, Coiled, Pan Cake Coils |
| Surface Finish | 400G, BA, 2B, Mirror Polished, No.8, No.1, 500G, No.4, No.3, 8K, 2D, 1D, 180G, 320G, HL, 400G Satin/ Hairline, 600G or 800G Mirror finish Tubing or Custom Finish as per customer's specification |
| Manufacturing Type | CDS / CDW / Fabricated / Seamless / ERW / DOM / CEW / Welded / 100% X Ray Welded |
| Thickness Range | SCH XXS, SCH 40, SCH 10, SCH 5, SCH XXH, SCH XS, SCH 80S, SCH 160, SCH 80 |
| Standard | JIS, ASTM, GB, DIN, AISI, EN, SUS |
| Technique | Cold drawn, Extrusion, Cold rolled, Hot rolled Tube |
| Delivery Condition | Annealed and Pickled (AP), Polished, Cold Drawn, MF, Bright Annealed (BA) |
| End | Treaded, Beveled End, Plain End |
| Processing Service | Bending, Cutting, Decoiling, Welding, Punching, Moulding |
| Grade | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Molybdenum |
|---|---|---|---|---|---|---|---|---|
| TP304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | |
| TP304L | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-13.0 | |
| TP316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.0-3.0 |
| TP316L | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| Material | Tensile Strength | Heat | Temperure | Yield Strength | Elongation |
|---|---|---|---|---|---|
| Ksi (MPa), Min. | Treatment | Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| TP304 | 75(515) | Solution | 1900 (1040) | 30(205) | 35 |
| TP304L | 70(485) | Solution | 1900 (1040) | 25(170) | 35 |
| TP316 | 75(515) | Solution | 1900(1040) | 30(205) | 35 |
| TP316L | 70(485) | Solution | 1900(1040) | 25(170) | 35 |
| Outer Diameter Size Inches |
Tolerances, Inches | ||
|---|---|---|---|
| Outer Diameter in Inches |
Wall Thickness | Cut Length (a), In. |
|
| Less than 1 | ±0.004 | All Sizes ± 10% |
+1/8–0 |
| 1 to 1-1/2 | ±0.006 | ||
| Over 1-1/2 to 2 | ±0.008 | ||
| Over 2 to 2-1/2 | ±0.010 | +3/16–0 | |
| Over 2-1/2 to 3 | ±0.012 | ||
| Over 3 to 4 | ±0.015 | ||
| Over 4 to 5 | +0.015– 0.025 | ||