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 Yuhong 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
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