Notch Toughness Welded Steel Tube Astm A333 For Low Temperature Service
competitive Advantage:
100% good quality and price
The best service in steel field.. Including after-sales service
Reasonable price. We only illing to do business with sincere buyers.
We could produce this pipe according American standard.
We are also a manufacturer,so we can provide the products in conformity with your requirements
rapidly Our company has rich technical force and advanced production equipment and coordinated
advanced test equipment and method.Name: ASTM A214 Electric-Resistance-Welded Carbon Steel Heat-exchanger and Condenser Tubes
Brand: TORICH
Material: Electric-Resistance Welded Pipes
O.D: 0-76.2mm
W.T: 0.4-3.2mm
Payment : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Surface Condition: Be free of scale
Packing : Oil protection in bundles or in carton boxes or wooden boxes
Applications: Heat-exchangers , Condensers
Heat Treatment
After welding , all tubes shall be heat treated at a temperature of 1650ºF (900ºC) or higher and followed by cooling in air or in the cooling chamber of a controlled atmosphere furnace.
Chemical Composition
Carbon , max% 0.18
Manganese, % 0.27-0.63
Phosphorus max% 0.035
Sulfur, max% 0.035
Hardness Requirement
The tubes shall have a hardness number not exceeding 72 HRB
Mechanical Tests Required
1.Flattening Test
2.Flange Test
3.Reverse Test
4.Hardness Test
5.Hydrostatic or Nondestructive Electric Test
Standard: ASTM A333, ASTM A370, ASTM A999/A999M, ASTM A671, E23, E165, E709
Size range: OD: 4-420mm
WT: 0.5-50mm
Length: 1-12m
Material: Q195, Q215, Q235, Q345, Gr1,Gr3,Gr4,Gr6,Gr7,Gr8,Gr9,Gr10,Gr11
Test: Transverse or Longfitudinal Tensile Test and Flattening Test
Impact Test
Chemical Requirements
| Element | Grade1 | Grade3 | Grade4 | Grade6 | Grade7 | Grade8 | Grade9 | Grade10 | Grade11 |
| C, max | 0.30 | 0.19 | 0.12 | 0.30 | 0.19 | 0.13 | 0.20 | 0.20 | 0.10 |
| Mn | 0.40-1.06 | 0.31-0.64 | 0.50-1.05 | 0.29-1.06 | 0.90 max | 0.90 max | 0.40-1.06 | 1.15-1.50 | 0.6 max |
| P, max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.035 | 0.025 |
| S, max | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.025 | 0.015 | 0.025 |
| Si | -- | 0.18-0.37 | 0.08-0.37 | 0.10min | 0.13-0.32 | 0.13-0.32 | -- | 0.10-0.35 | 0.35max |
| Ni | -- | 3.18-3.82 | 0.47-0.98 | 0.40max | 2.03-2.57 | 8.40-9.60 | 1.60-2.24 | 0.25max | 35.0-37.0 |
| Cr | -- | -- | 0.44-1.01 | 0.30max | -- | -- | -- | 0.15max | 0.50max |
| Cu | -- | -- | 0.40-0.75 | 0.40max | -- | -- | 0.75-1.25 | 0.15max | -- |
| Al | -- | -- | 0.04-0.30 | -- | -- | -- | -- | 0.06max | -- |
| V | -- | -- | -- | 0.08 | -- | -- | -- | 0.12 | -- |
| Nb, max | -- | -- | -- | 0.02 | -- | -- | -- | 0.05 | -- |
| Mo, max | -- | -- | -- | 0.12 | -- | -- | -- | 0.05 | 0.50max |
| Co | -- | -- | -- | -- | -- | -- | -- | -- | 0.50max |
Characteristic:
Good concentricity High Precision
Good surface quality Stable quality
Good OD and ID tolerance Smooth Roughness
competitive Advantage:
100% good quality and price
The best service in steel field.. Including after-sales service
Reasonable price. We only illing to do business with sincere buyers.
We could produce this pipe according American standard.
We are also a manufacturer,so we can provide the products in conformity with your requirements
rapidly Our company has rich technical force and advanced production equipment and coordinated
advanced test equipment and method.
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