| SPECIFICATION: | ASTM A269 | ||
|---|---|---|---|
| High Light: | TP304 welded stainless steel tube， ASTM A269 welded stainless tube， 0.4mm Welded Stainless Steel Tube | ||
ASTM A269 TP304 Seamless/Welded Stainless Steel Tube
We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years， we have accumulated a great many clients all around the world and TONG CHUANG products also won the great praise among the customers.
Specifications: ASTM A/ASME SA213/A249/A269/A312/A358 Pipes and Tubes Sizes (Seamless): 1/2" NB – 16" NB
Pipes and Tubes Sizes (ERW): 1/2" NB – 24" NB
Pipes and Tubes Sizes (EFW): 6" NB – 100" NB
Pipes and Tubes Wall Thickness available: Schedule 5S – Schedule XXS (heavier on request)
Pipe and Tubes Other Materials Testing: NACE MR0175， H2 SERVICE， OXYGEN SERVICE， CRYO SERVICE， etc.
Dimensions: All Pipe is manufactured and inspected/tested to the relevant standards including ASTM， ASME and API etc.
A269 TP304 Stainless Steel Seamless Tube Chemical Composition
| SS | 304 | 304N | 304LN |
| Ni | 8 – 11 | 8 – 11 | 8 – 11 |
| Fe | Balance | ||
| Cr | 18 – 20 | 18 – 20 | 18 – 20 |
| C | 0.08 max | 0.08 max | 0.035 max |
| Si | 0.75 max | 0.75 max | 0.75 max |
| Mn | 2 max | 2 max | 2 max |
| P | 0.040 max | 0.040 max | 0.040 max |
| S | 0.030 max | 0.030 max | 0.030 max |
| N | 0.10 – 0.16 | 0.10 – 0.16 | |
A269 TP304 Stainless Steel Seamless Tube Mechanical Properties
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 75000 ， MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 ， MPa – 205 |
| Elongation | 35% |
A269 TP304 Stainless Steel Seamless Tube Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 304/H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Equivalent Grade
| GRADE | UNS NO | OLD BRITISH | EURONORM | SWEDISH SS | JAPANESE JIS | ||
| BS | EN | NO | NAME | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
Diameter Tolerance ASTM A269 TP304 Tube
| NPS | ASTM A269 TP304 Tube OD Tolerance | |||
| + | – | |||
| inch | mm | inch | mm | |
| 1/8~1 1 /2 | 1/64(0.015) | 0.4 | 1/32(0.031) | 0.8 |
| > 1 1 /2~4 | 1/32(0.031) | 0.8 | 1/32(0.031) | 0.8 |
| > 4~8 | 1/16(0.062) | 1.6 | 1/32(0.031) | 0.8 |
| > 8~18 | 3/32(0.093) | 2.4 | 1/32(0.031) | 0.8 |
| > 18~26 | 1/8(0.125) | 3.2 | 1/32(0.031) | 0.8 |
| > 26~34 | 5/32(0.156) | 4 | 1/32(0.031) | 0.8 |
| > 34~48 | 3/16(0.187) | 4.8 | 1/32(0.031) | 0.8 |
Wall Thickness Tolerance ASTM A269 TP304 Tube
| NPS | ASTM A269 TP304 Tube Tolerance， % | |
| + | – | |
| 1/8-2 1 /2 | 20 | 12.5 |
| 3~18， t/D≤ 5% | 22.5 | 12.5 |
| 3~18， t/D> 5% | 15 | 12.5 |
| ≥ 20， welded | 17.5 | 12.5 |
| ≥ 20， seamless， t/D≤ 5% | 22.5 | 12.5 |
| ≥ 20， seamless， t/D> 5% | 15 | 12.5 |
A269 TP304 Stainless Steel Seamless Tube Advantages
- High strength
- Resistant to high mechanical stresses
- Resistant to high pressure
- Resistant to high temperature
- Good formability
- Reusable
Application
- Chemical and petrochemical
- Power generation
- Renewable energy
- Pulp and Paper
- Process piping
- Pharmaceutical
- Food and beverage
- Oil and gas
- Mining
- Water/waste
- Marine Industry
- or Fertilizers
