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| Categories | Heat Exchanger Tubes |
|---|---|
| Brand Name: | TORICH |
| Model Number: | ASTM A178 |
| Certification: | ISO9001 ISO14001 TS16949 |
| Place of Origin: | Zhejiang,China |
| MOQ: | 5 tons |
| Price: | usd 500-1200 per ton |
| Payment Terms: | T/T, L/C, D/A, D/P, Western Union, MoneyGram |
| Supply Ability: | 50000 tons per ton |
| Delivery Time: | 30-45 days |
| Packaging Details: | Packing in standard marine package |
| Product name: | ASTM A178 Round Welded Carbon Steel Heat Exchanger Tubes |
| Keyword: | Heat Exchanger Tubes |
| Application: | used for boiler tubes,boiler flues,superheater flues,and e ends |
| Shape: | round |
| Material: | Q195 Q235 Q345 |
| Technique: | ERW |
| Length: | max12000mm |
| OD: | 12.7-127mm |
| WT: | 0.9-9.1mm |
| Place of origin: | Zhejiang,China |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
Material: Carbon steel and carbon manganese steel
Production: Electric Resistance Welding
Size range: O.D.: 12.7-127mm W.T.:0.9-9.1mm L: according to customer requirement
Applications: For Boilers, Superheaters, Heat-Exchangers, Condensers, Boiler flues, Superheater flues and e ends
Heat treatment:
After welding, all tubes are heat treated at a temperature of 1650℉
(900℃) or higher and followed by cooling in air or in the cooling
chamber of a controlled atmosphere furnace.
Cold-Drawn tubes are heat treated after the final cold-draw pass at
a temperature of 1200℉(650℃)or higher.
Tests and Inspection:
Tensile Test
Crush Test
Mechanical Test
- Flattening Test
- Flange Test
Chemical Properties
| Element | Grade A,Low-Cabon Steel | Grade C,Medium-Carbon Steel | Grade D, Carbon-Manganese Steel | |
| Carbon | 0.06-0.18 | 0.35 Max | 0.27Max | |
| Manganese | 0.27-0.63 | 0.80Max | 1.00-1.50 | |
| Phosphorus,Max | 0.035 | 0.035 | 0.030 | |
| Sulfur,Max | 0.035 | 0.035 | 0.015 | |
| Silicon | - | - | 0.10 min | |
| Mechanical Properties | Grade A | Grade C | Grade D | |
| Tensile Strength:min ksi(Mpa) | 47(325) | 60(415) | 70(485) | |
| Yield Point:min ksi(Mpa) | 26(180) | 37(255) | 40(275) | |
| Elongation | ≥35% | ≥30% | ≥30% | |
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 |
Production&Package
TAG
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