Brand Name: | TORICH |
Model Number: | ASTM A214 |
MOQ: | 3ton |
Price: | 900-2000 USD/ TON |
Payment Terms: | T/T, L/C, D/A, D/P, Western Union, MoneyGram |
Supply Ability: | 60000ton/year |
ASTM A214 SA214 ERW Carbon Steel Heat-Exchanger Tubes Condenser Pipes
Size range: O.D.:6-76.mm W.T.:0.9-19.0mm L: according to customer requirement
Manufacture:
Tubes are made by electric-resistance welding.
Steel Grade and Chemical Compositions:
C | 0.18 |
Mn | 0.27 to 0.63 |
P | ≤0.035 |
S | ≤0.035 |
Hardness Requirements:
The tubes shall have a hardness number not exceeding 72HRB.
Surface Condition:
The finished tubes are free of scale., slight amount of oxidation is not considered as scale
Heat treatment:
After welding, all tubes are heat treated at a temperature of 1200℉(650℃) or higher and following by cooling in air or in a cooling chamber of a controlled atmosphere furnace.
Cold drawn tubes shall be heat treated after the final cold-draw pass at a temperature of 1200℉(650℃) or higher
Test and Inspection:
Hardness Requirement
Mechanical Test
- Flattening Test
- Flange Test
- Reverse Test
- Hydrostatic or Nondestructive Electric Test
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 |
Applications: for Heat-Exchangers, Condensers and similar heat-transfer apparatus.