TORICH ASTM A192/A192M-17 Seamless Carbon Steel Boiler Tubes for High-Pressure Service
A leading manufacturer of Seamless Boiler Steel Tubes in China, offers high quality Steel Heat Exchanger Tubes,Seamless Carbon Boiler Tube,Alloy Steel Boiler Tube
Standard: ASTM A192/A192M-17
OD: 2.2-25.4mm
WT : 2.2-25.4mm
Usage: This standard covers Seamless Carbon Steel Boiler Tubes for High-Pressure Service
Note: Special steel grade is also available, according to customer request.
Chemical Composition:
Carbon,max% 0.06-0.18
Manganese,% 0.27t-0.63
Phosphorus,max,% 0.035
Sulfur,max,% 0.035
Silicon,max,% 0.25
Seamless High pressure boiler tube is hot rolling(extrusion), cold drawn or cold rolled tubes, made according to Chinese standard GB 5310-1995
This tube is used for high pressure boilers. The seamless high pressure boiler tube is produced with the method of Hot Rolling(Extrusion), Cold Drawn or Cold Rolled, according to the Chinese standard GB 5310-1995.
GB5310-1995, one kind of seamless steel tubes, mainly used to manufacture high pressure steam boiler and above pipelines with high-quality carbon steel, alloy steel and heat-resistant seamless stainless steel tubes.
Feature of seamless high pressure boiler tube: Persistent high strength, high oxidation resistance, good organizational stability
Application of the seamless boiler tube: For high pressure boilers.
Produce method for high pressure boiler tube: Hot rolling(extrusion), cold drawn, cold rolled.
The seamless carbon high pressure boiler tubes material:
10#/20#/Q345/20G/15MnG/20MnG/15MoG/20MoG/16Mn/15CrMo/15CrMoG/12Cr1MoV/12Cr1MoVG/Cr5Mo/10CrMo910 and so on.
The boiler tubes often work in high temperature and high pressure, pipe in high temperature smoke and steam will meet oxidation and corrosion, thus it requires a durable steel Persistent high strength, high oxidation resistance, good organizational stability.
Seamless high-pressure boiler pipe: for the manufacture of a variety of high pressure boiler superheated steam pipes, boiling water pipe, water wall tubes and superheated steam locomotive boiler tubes, opium pipe, small pipe and brick arch tubes. (Dial) seamless steel pipe with high quality carbon structural steel hot or cold. 20# steel is mainly used, in addition to chemical composition and mechanical properties will do hydrostatic testing, curling, flaring, flattening and other tests. State of delivery hot rolled, cold-rolled (dial) to heat treatment delivery.
Tolerance for the high pressure boiler pipe:
1.Tolerance of the OD &WT:
| Production Method | Size(mm) | Tolerance |
| General | High Grade |
| Hot Rolling(Extrusion) | OD | ≤159 | ±1.0%(min.±0.50mm) | ±0.75%(min.±0.30mm |
| ＞159 | ±1.0% | ±0.90% |
| WT | ＜3.5 | +15%(min.+0.48mm) -10%(min. -0.32mm) | ±10%(Min. ±0.20mm) |
| 3.5~20 | +15% -10% | ±10% |
| ＞20 | D≥219 | ±10.0% | ±7.5% |
| D＜219 | +12.5% -10% | ±10.0% |
| Cold Drawn(Cold Rolled) | OD | ≤30 | ±0.20mm | ±0.15mm |
| ＞30~50 | ±0.30mm | ±0.25mm |
| ＞50 | ±0.8% | ±0.6% |
| WT | 2~3 | +12% -10% | ±10% |
| ＞3.0 | ±10% | ±7.5% |
2.Bending tolerance of hige pressure boiler tube:
WT≤15 mm, Bending≤1.5mm/m
WT＞15~30 mm, Bending≤2.0mm/m
WT＞30 mm, Bending≤3.0mm/m
3. End shape for the seamless high pressure boiler tube:
Both ends of the pipe should be cut at right angles, and remove burrs
Tests of the seamless boiler tubes:
1.Flaring Test
2. Hardrostatic test
3. Flattening test
4. Flanging test
5. Expand test
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
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