TORICH INTERNATIONAL LIMITED
| Standard | ASTM A178 SA178 |
| Grade | Grade A Grade C Grade D |
| Techinque | Electric Resistance Welded |
| Section Shape | Round |
| Alloy or not | Non-Alloy |
| Secondary or not | Non-Secondary |
| Special Pipe | Boiler Pipe |
| Delivery Condition | Annealing |
| Surface Treatment | Oil |
| Payment Terms | T/T, L/C, D/A, D/P, Western Union, |
| Supply Ability | 6000 Tons/ Year |
| Delivery Time | 45-60 days |
| Packaging Details | Boiler tube packaging:In hexagonal bundles or In wooden boxes packaging or Crate packaging or Bare bundles packaging |
| Certification | ISO 9001 ISO14001 TS16949 |
| Brand Name | TORICH |
| Model Number | ASTM A178 / SA 178 |
| Place of Origin | China |
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Product Specification
| Standard | ASTM A178 SA178 | Grade | Grade A Grade C Grade D |
| Techinque | Electric Resistance Welded | Section Shape | Round |
| Alloy or not | Non-Alloy | Secondary or not | Non-Secondary |
| Special Pipe | Boiler Pipe | Delivery Condition | Annealing |
| Surface Treatment | Oil | Payment Terms | T/T, L/C, D/A, D/P, Western Union, |
| Supply Ability | 6000 Tons/ Year | Delivery Time | 45-60 days |
| Packaging Details | Boiler tube packaging:In hexagonal bundles or In wooden boxes packaging or Crate packaging or Bare bundles packaging | Certification | ISO 9001 ISO14001 TS16949 |
| Brand Name | TORICH | Model Number | ASTM A178 / SA 178 |
| Place of Origin | China | ||
| High Light | high carbon steel tube ，heat exchanger tubes | ||
ASTM A178/ SA178 Electric Resistance Welded Carbon Steel And Carbon Manganese Steel Boiler And Superheater Tubes
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 |
Tags: Welded Steel Tubes, Carbon Steel Heat Exchanger Tubes
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat... Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat...
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