ASTM A249 TP304L Austenitic Stainless Steel Welded Tubes For Pharmaceutical
ASTM A249 TP304L is a standard specification covering boiler and heat exchanger tubing designed with 304L stainless steel grade. TP304L pipe is available in seamless, welded, and electric resistance welded (ERW) configurations. Each type has unique properties and is used in different applications.
ASME SA249 UNS S30403 seamless pipe is manufactured using an extrusion process. This process involves passing a hot steel billet through a metal tube, resulting in a weld-free design and greater strength and load-bearing capacity than welded pipe. ASME SA249 Gr 304L welded pipe is produced by rolling the sheet or strip and then welding it through a series of shop welding procedures. This pipe is not as strong as seamless pipe, but is more affordable. A249 Type 304L ERW pipe is a unique modular pipe welded longitudinally. These pipes are welded in place using a high-voltage electric current. No filler material is required for welding these pipes. For more details and prices on these products, please contact us today!Email: sales@gneestainless.com
Specification of ASTM A249 TP304L stianless steel ERW Tube
| Specification | ASTM A249 Tp304L / ASME SA249 Tp304L Tube |
| Shapes | Hydraulic, Honed Tubes, Round, Rectangular, U Shape, Square, Straight, Coiled, Pan Cake Coils |
| Technique | Cold rolled, Extrusion, Cold drawn, Hot rolled Tube |
| Manufacturing Type | Welded / CDS / CDW / ERW / Fabricated / Seamless / DOM / CEW / 100% X Ray Welded |
| Surface Finish | 400G, BA, 2B, 320G, Mirror Polished, No.1, 400G Satin/ Hairline |
| Thickness Range | SCH 5, SCH XXS, SCH 40, SCH 80S, SCH 10, SCH XXH, SCH XS, SCH 160, SCH 80 |
| End | Beveled End, Treaded, Plain End |
| Processing Service | Bending, Moulding, Welding, Cutting, Decoiling, Punching |
| Standard | JIS, DIN, ASTM, GB, AISI, EN, SUS |
| Delivery Condition |
Cold Drawn, Annealed and Pickled (AP), Polished, MF, Bright Annealed (BA) |
Chemical Composition of TP304L Stainless Steel Welded Tubes
| Element | Percentage (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Chromium (Cr) | 18.0 – 20.0 |
| Nickel (Ni) | 8.0 – 12.0 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) |
Balance
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ASTM A249 TP304L Welded Tubes Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 515 MPa (75 ksi) |
| Yield Strength (0.2%) | ≥ 205 MPa (30 ksi) |
| Elongation | ≥ 35% |
| Hardness (HRB) | ≤ 90 |
Applications
ASTM A249 TP304L welded tubes are widely used in industries demanding high corrosion resistance and mechanical strength. Common applications include:
Heat Exchangers: Used to transfer heat in chemical, oil, and gas industries.
Boilers and Superheaters: Withstand high-pressure and high-temperature environments.
Food Processing Equipment: Preferred for its sanitary properties and resistance to organic acids.
Pharmaceutical and Medical Equipment: Ensures hygienic operations due to its non-reactive surface.
Condensers: Used in power plants for cooling and condensation processes.
ASTM A249 TP304L stainless steel welded tube price per ton
The ASTM A249 TP304L stainless steel welded tube price typically ranges from USD 2,600 to 3,000 per ton (FOB China Port), depending on tube size, wall thickness, and surface finish. Bright annealed (BA) and polished tubes cost slightly higher due to tighter dimensional tolerances and superior
surface quality.
Testing of A249 316 tp304 Stainless Steel Tube
Flange and flare testing, reverse flattening testing, roughness testing, hydrostatic/pneumatic testing, eddy current testing (NDT), surface finish verification, dimensional inspection, and material certification
Our ASTM A249 stainless steel pipes come with a factory warranty and third-party testing reports (such as eddy current testing, hydrostatic testing, chemical composition analysis, and corrosion testing) before shipment, ensuring that each welded pipe meets dimensional accuracy (OD tolerance ±0.10 mm, wall thickness tolerance ±10%).
All stainless steel pipes are moisture-proofed and securely packaged in wooden crates, pallets, or bubble wrap. They are transported in standard containers or dedicated vehicles to ensure the integrity and safety of the goods during transit. We offer global shipping, with a typical lead time of 7-15 days from production to delivery, ensuring on-time delivery to our customers.
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