ASTM A192 Seamless Cold Drawn High Pressure Boilers Carbon Steel Heat Exchanger Tubes
ASTM A192 Seamless carbon steel boiler tubes for high pressure service
Seamless Carbon Steel Boiler Tubes for High-Pressure Service
Minimum-Wall-Thickness
ASTM A192 Seamless Cold Drawn High Pressure Boilers Carbon Steel Heat Exchanger Tubes Applications:
for Boilers,Superheaters,
Heat-Exchangers,
High-pressure Boilers,
Steam Boilers
Cold Condensers and High-Pressure Services,
High-Temperature Services for Boiler Constructions
Size range:
O.D.:12.7-168mm
W.T.: 1.0-15mm
L: according to customer requirement max 32000mm
Manufacture Method for Carbon Steel Heat Exchanger Tubes:
Tubes are manufactured by seamless process and both hot finished and cold finished are applicable.
Carbon Steel Heat Exchanger Tubes Heat treatment:
Hot finished tubes need not be heat treated.
Cold Finished tubes are heat treated after the final cold finishing pass at a temperature of 1200℉(650℃) or higher
Steel Grade and Chemical Compositions:
| C | 0.06-0.18 |
| Mn | 0.27-0.63 |
| P | ≤0.035 |
| S | ≤0.035 |
| Si | ≤0.25 |
Mechanical Properties
Tensile Streghth: min ksi[Mpa] 47[325]
Yield Point: min ksi[Mpa] 26[180]
Elongation: ≥35%
Hardness
| Brinell Hardness | Rockwell Hardness Number | |
| WT≥0.200in(5.1mm) | WT＜0.200in(5.1mm) | |
| 137HRB | 77HRB | |
| Tolerance for OD and WT(SA-450/SA-450M) | |||||
| OD in(mm) | + | - | WT in(mm) | + | - |
| ＜1''(25.4) | 0.10 | 0.10 | ≤1.1/2''(38.1) | 20% | 0 |
| 1''～1.1''(25.4～38.1) | 0.15 | 0.15 | ＞1.1/2''(38.2) | 22% | 0 |
| ＞1.1/2''～＜2''(38.1～50.8 | 0.20 | 0.20 | |||
| 2''～＜2.1/2''(50.8～63.5) | 0.25 | 0.25 | |||
| 2.1/2''～＜3''(63.5～76.2) | 0.30 | 0.30 | |||
| 3''～＜4''(76.2～101.6) | 0.38 | 0.38 | |||
| 4''～＜7.1/2''(101.6～190.5) | 0.38 | 0.64 | |||
| ＞7.1/2～9''(190.5～228.6) | 0.38 | 1.14 | |||
Mechanical Testing:
Flattening Test
Flaring Test
Flange Test
Hardness Test
Hydrostatic Test
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.