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ASTM A192 Seamless carbon steel boiler tubes for high pressure service
Seamless Carbon Steel Boiler Tubes for High-Pressure Service
Minimum-Wall-Thickness
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.:6-168mm W.T.: 1-15mm L: according to customer requirement
Manufacture:
Tubes are manufactured by seamless process and both hot finished and cold finished are applicable.
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
1, A professional steel pipes materials inventor, manufacturer and solution provider
2, Our technicians are of great engineering experience in steel pipe industry for more than 20 years
3, Stable product quality , supply, the good faith management
A: We are factory.
A: It is according to quantity. And usually is 35-50 days after receiving 30% T/T in advance.
A:
1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample of ASTM A192 Cold Drawn High Pressure Seamless Carbon Steel Heat Exchanger Boiler Tubes is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
A:
1.T/T: 30% deposit in advance, the balance 70% paid before shipment