What is ASTM A213 304 material?

What is ASTM A213 304 material?
ASTM A213 TP304 is a standard for seamless austenitic stainless steel tubing used in high-temperature applications such as boilers, superheaters, and heat exchangers. Due to its composition of 18% chromium and 8% nickel, it exhibits excellent corrosion resistance, making it a versatile, high-strength, and widely used general-purpose material suitable for applications in the chemical, food processing, and industrial sectors.
Which is better: 304 stainless steel or 316 stainless steel?
If you don't need the extra corrosion resistance of 316 stainless steel, then standard 304 stainless steel offers similar performance and lifespan at a lower price. However, in situations requiring higher corrosion resistance, 316 stainless steel can often extend the lifespan of steel products by several years.

Specification of ASTM A213 TP304 Tube
| Specification | ASTM A213 TP304 / ASME SA213 TP304 Tube |
| Shapes | Hydraulic, Round, Rectangular, Honed Tubes, Square, Straight, U Shape, Coiled, Pan Cake Coils |
| Thickness Range | SCH XXS, SCH 5, SCH 40, SCH XS, SCH 10, SCH 160, SCH XXH, SCH 80S, SCH 80 |
| Surface Finish | 400G, 500G, BA, 2B, No.1, Mirror Polished, No.8, No.4, No.3, 8K, 2D, 1D, 600G or 800G Mirror finish Tubing, 180G, 320G, HL, 400G Satin/ Hairline or Custom Finish as per customer's specification |
| Manufacturing Type | CDS / CDW / DOM / abricated / Seamless / Welded / ERW / CEW / 100% X Ray Welded |
| Standard | GB, JIS, DIN, ASTM, AISI, EN, SUS |
| Technique | Cold rolled, Extrusion, Cold drawn, Hot rolled Tube |
| Delivery Condition | Polished, Annealed and Pickled (AP), MF, Cold Drawn, Bright Annealed (BA) |
| Processing Service | Bending, Cutting, Decoiling, Punching, Welding, Moulding |
| End | Plain End, Treaded, Beveled End |
ASME SA213 TP304 Tube sizes
ASME SA213 TP304 Seamless Tubing
Size: 1/2" OD - 12" OD
OD: 3.00 - 219.10 mm
Thickness : 0.40 - 12.70 mm
Length: Single, Double Random & Cut Length
SS 304 Erw / Welded Tubing
Size: 1/2" - 12" OD, Guage: 25 SWG - 10 SWG
OD: 6.35 to 114.3 mm O.D
Thickness : 0.8 - 12.7 mm
Length: up to 26 Meters
ASTM A213 304 Tubing Chemical composition
| Grade | Carbon | Manganese | Sulfur | Phosphorus | Silicon | Chromium | Nickel |
| TP304 | 0.08 | 2 | 0.03 | 0.045 | 1 | 18.0-20.0 | 8.0-11.0 |
Mechanical Properties of SA213 Grade 304 SS Tube
| Material | Heat | Temperure | Tensile Strength | Yield Strength | Elongation |
| Treatment | Minimum º F(º C) | Ksi (MPa), Minimum | Ksi (MPa), Minimum | ||
| TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
SA 213 TP 304 Tubing Equivalent
| Grade | Old British | Unified Numbering System | Swedish SS | Euronorm | Japanese Industrial Standards | ||
| British Standards | European Standards | No | Name | ||||
| ASTM A213 TP304 | 304S31 | 58E | S30400 | 2332 | 1.4301 | X5CrNi18-10 | SUS 304 |
Tolerance of ASME SA213 TP304 Seamless Tube
| Nominal Pipe Size | Outer Diameter Tolerance | |||
| + | – | |||
| Inch | mm | Inch | mm | |
| 1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48 |
1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187) |
0.4 0.8 1.6 2.4 3.2 4.0 4.8 |
1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) |
0.8 0.8 0.8 0.8 0.8 0.8 0.8 |
Common applications of ASTM A213 stainless steel 304:
Boilers, superheaters, and heat exchangers.
Chemical equipment.
Food and beverage processing (milk, beer, wine).
Architectural decoration, sinks, and kitchen appliances.
Cryogenic equipment and high-precision equipment.

Gnee Steel specializes in the production of a wide range of stainless steel products. Gnee Steel's product packaging includes: Steel Strapping: Pipes with an outer diameter of 3 inches or less are typically strapped together with polypropylene film to prevent rust during ocean shipping, and then secured with steel strapping. Wooden Cases/Crates: Pipes are typically packaged in wooden cases or crates to protect the pipes during transportation, especially those that are longer or have larger diameters. Seaworthy Export Packaging: Suppliers typically use standard seaworthy export packaging methods, which may include a variety of materials and techniques to protect the pipes during transportation. Tarpaulin Packaging: This prevents rain, seawater, and other external factors from penetrating the export crates during transportation. Gnee Steel specializes in the production and sale of alloy materials. Gnee Steel's products are widely used in the aerospace, chemical, power, automotive, and nuclear energy sectors, and we can provide customized alloy material solutions based on customer needs. For alloy material pricing or customized alloy material solutions, please contact us for a quote: ru@gneesteelgroup.com

