ERW / CEW BS3059-1 Low Carbon 320 Superheater Tubes
Product Details
320 Superheater Tubes
,BS3059-1 Superheater Tubes
,erw Superheater Tubes
ERW/CEW Welded Steel Tubes BS3059-1 Low Carbon Steel 320
BS3059-1 Grade 320 Low Carbon Steel Tubes for Steel Boiler and superheater tubes
CFS Cold drawing seamless steel tubes/HFS Hot finished seamless steel tubes
Low tensile carbon steel tubes for heat-exchanger,condensor,air-heater tubes
Method of Manufacture of Steel Tubes:
HFS-Hot finished seamless
CFS-Cold finished seamless
ERW-Electric resistance welded including induction welded
CEW-Cold finished electric resistance welded including induction welded
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or ERW tubes On line inspection
5. Heat Treatment of Steel Pipes
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking of steel pipes
100% Eddy Current Testing/Hydraulic testing
100% Tubing Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
| Product Name | BS3059 ERW/CEW/Welded Steel Tube |
| Materials | Grade 320 |
| Delivery Condition | Heat Treatment |
| Standard | BS3059-1 Steel Boiler and superheater tubes |
| Application | Heat Exchanger, Condensers and similar heater,superheater |
| Certificate | ISO 9001 |
| HS code | 7304319000 |
| Delivery Time | 40 days |
| Packing | Bundles or Wooden Boxes |
The ERW/CEW Steel Tubes Chemical Compostion
|
Chemical Composition of Steel tubes Grade 320 HFS/CFS/ERW/CEW |
C | Mn |
P ≤ |
S ≤ |
Si ≤ |
| 0.06--0.16 | 0.30-0.70 | 0.035 | 0.035 | 0.35 |
The Tolerance of HFS/CFS/ERW/CEW tubes:
| OD Inch(mm) | + | -- | WT Inch(mm) | + | -- |
| ＜1(25.4) | 0.10 | 0.10 | ≤1. 1/2 (38.1) | 20% | 0 |
|
1 to 1.1/2 (25.4 to 38.1) |
0.15 | 0.15 | ＞1. 1/2 | 22% | 0 |
|
1.1/2 to 2 (38.1 to 50.8) |
0.20 | 0.20 | |||
|
2 to 2. 1/2 (50.8 to 63.5) |
0.25 | 0.25 | |||
|
2. 1/2 to 3 (63.5 to 76.2) |
0.30 | 0.30 |
Steel tubes/superheater tubes products pictures:
Tags:U tubes,U-tubes,Bending tubes,BS3059-1 CFS/HFS/ERW/CEW tubes,superheater tubes,Steel boiler tubes
BS3059 CEW,U-Bending tubes,Welded Steel Pipes,Welded Steel tubes
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