SA178a Annealed ASTM A178 ERW Heat Exchanger Tubes
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 10 tons | Price : | 700 USD-1000 USD |
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Packaging Details : | Boiler tube packaging:In hexagonal bundles or In wooden boxes packaging or Crate packaging or Bare bundles packaging | Delivery Time : | 45-60 days |
Payment Terms : | T/T, L/C, D/A, D/P, Western Union, MoneyGram | Supply Ability : | 6000 Tons/ Year |
Place of Origin: | China | Brand Name: | TORICH |
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Model Number: | ASTM A178 / SA 178 |
Detail Information |
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Certification: | ISO 9001 ISO14001 TS16949 | Standard: | ASTM A178 SA178 |
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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 |
High Light: | high carbon steel tube,heat exchanger tubes |
Product Description
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 Safe 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
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