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Product Description
Specification of ASTM A249 Stainless Steel Tube: ASTM A249 tubes are to be furnished in the heat-treated condition in accordance with the required solution temperature and quenching method. Such tubes conform to the prescribed tensile and hardness properties such as tensile strength, yield strength, elongation, and Rockwell hardness number. It is also subject to request to undergo mechanical tests such as tension test, flattening test, flange test, reverse-bend test, hardness test, and hydrostatic or nondestructive electric test.
Application of ASTM A249 Stainless Steel Tube: boiler, super heater, heat-exchanger, and condenser tubing
| Outside | inch | 1/2” | 5/8” | 3/4” | 7/8” | 1” | 11/4" | - |
| Diameter/ Thickness | ||||||||
| mm | mm/ gauge | 12.7 | 15.9 | 19 | 22.2 | 25.4 | 31.8 | 35 |
| 1.2 | - | * | * | * | ||||
| 1.24 | 18 | * | * | * | ||||
| 1.5 | - | * | * | * | ||||
| 1.65 | 16 | * | * | * | ||||
| 2 | - | * | * | * | ||||
| 2.11 | 14 | * | * | * | ||||
| Outside | inch | 11/2" | 2” | 2 1/2" | 3” | 3 1/2" | 4” | 4 1/2” |
| Diameter/ Thickness | ||||||||
| mm | mm/gauge | 38.1 | 50.8 | 63.5 | 76.2 | 88.9 | 101.6 | 114.3 |
| 1.2 | - | * | ||||||
| 1.24 | 18 | * | ||||||
| 1.5 | - | * | * | * | * | * | * | |
| 1.65 | 16 | * | * | * | * | * | * | |
| 2 | - | * | * | * | * | * | * | * |
| 2.11 | 14 | * | * | * | * | * | * | * |
| Specification | ASTM A249 / ASME SA249 Tube |
| Shapes | 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 |
| 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 |
ASME SA 249 M Tubing Chemical Composition
| 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 |
ASTM A249 Stainless Steel Tubing Mechanical Properties
| 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 |
Quality Inspection and Packing
Packaging and Labeling of stainless steel pipe
Standard exported packing by wooden bundle or iron steel as photos.
