ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | About 10000 ton / month |
| Delivery Time | 60-75days |
| Packaging Details | seaworthy packing for exporting |
| Material | Carbon Steel Welded Tube |
| Finishing | Annealed, Normalized, Normalized and Tempered |
| Application | boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid industry |
| Certificates | ASME, TUV, SGS, CE, ISO9001, |
| Shape | Welded pipe |
| Technique | Hot Rolled,ERW,Cold Drawn |
| Brand Name | HDT |
| Model Number | HDT-CSWT001 |
| Certification | ASME, ISO9001,ISO14001, PED |
| Place of Origin | China(Mainland) |
View Detail Information
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | About 10000 ton / month |
| Delivery Time | 60-75days | Packaging Details | seaworthy packing for exporting |
| Material | Carbon Steel Welded Tube | Finishing | Annealed, Normalized, Normalized and Tempered |
| Application | boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid industry | Certificates | ASME, TUV, SGS, CE, ISO9001, |
| Shape | Welded pipe | Technique | Hot Rolled,ERW,Cold Drawn |
| Brand Name | HDT | Model Number | HDT-CSWT001 |
| Certification | ASME, ISO9001,ISO14001, PED | Place of Origin | China(Mainland) |
| High Light | Galvanized CS Carbon Steel Welded Tube ，Galvanized cs erw pipe ，Hot Rolled cs erw pipe | ||
Galvanized Welding Hot-Rolled Cs Carbon Steel Welded Seamless Pipes And Tubes
Production Information
Roduction Method:
The cold drawn welded tube is produced by drawing ERW (electric resistance welded tube).During this process the sizing (wall thickness, inside and outside diameter), as well as weld integrity and surface finish is closely controlled to produce tube of the required size and mechanical property characteristics.
Main Date
Material: E355
Other Aviliable Material: E155 E195 E235 E275
Outer Diameter Range: 10-50mm
Wall Thickness Range: 1.5-8mm
t/D ≥ 0.2(Normal: t/D=0.1)
Standard: En10305-2
Process: Cold Drawn, Cold Rolling
Typical Specification
| Grade | Welding Typical Specification | Yield Strength | |
| 1 | E355 | Φ38×4.5 | 355~450Mpa |
Chemical Component
| Steel Number | Quality Level | Thickness/mm | Deoxidize Method | C(%)≤ | Si(%)≤ | Mn(%)≤ | P(%)≤ | S(%)≤ |
| E185(Fe310) | 0 | - | - | - | - | - | - | - |
| E235(Fe360) | A B C D | ≤16 >16-25 ≤40 >40 | N - - E NE NE GF | 0.22 0.17 0.20 0.17 0.20 0.17 0.17 | - 0.40 0.40 0.40 0.40 0.40 0.40 | - 1.40 1.40 1.40 1.40 1.40 1.40 | 0.050 0.045 0.045 0.045 0.045 0.040 0.035 | 0.050 0.045 0.045 0.045 0.045 0.040 0.035 |
| E275(Fe430) | A B C D | ≤40 >40 | - E NE NE GF | 0.24 0.21 0.22 0.20 0.20 | - 0.40 0.40 0.40 0.40 | - 1.50 1.50 1.50 1.50 | 0.050 0.045 0.045 0.040 0.035 | 0.050 0.045 0.045 0.040 0.035 |
| E355(Fe510) | C D | ≤30 >30 ≤30 >30 | NE NE GF GF | 0.20 0.22 0.20 0.22 | 0.55 0.55 0.55 0.55 | 1.60 1.60 1.60 1.60 | 0.040 0.040 0.035 0.035 | 0.040 0.040 0.035 0.035 |
Stength Yield
| Steel Number | Yield Strengh/MPa | |||||||
| ≤16 | >16-40 | >40-63 | >63-80 | >80-100 | >100-150 | >150-200 | ||
| E185(Fe310) | - | 185 | 175 | - | - | - | - | - |
| E235(Fe360) | A B BNF C D | 235 235 235 235 235 | 225 225 225 225 225 | 215 - 215 215 215 | 215 - 215 215 215 | 215 - 215 215 215 | 195 - 195 195 195 | 185 - 185 185 185 |
| E275(Fe430) | A B C D | 275 275 275 275 | 265 265 265 265 | 255 255 255 255 | 245 245 245 245 | 235 235 235 235 | 225 225 225 225 | 215 215 215 215 |
| E355(Fe510) | C D | 355 355 | 345 345 | 335 335 | 325 325 | 315 315 | 295 295 | 285 285 |
Delivery Condition:
1) +C No heat treatment after the final cold drawing process.
2) +LC After the final heat treatment there is a suitable drawing pass.
3) +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
4) +A After the final cold drawing process the tubes are annealed in a controlled atmosphere.
5) +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere.
Advantage (compare with seamless cold drawn tube)
Better shape
Improved quality surface
Tight Excentricity and wall thickness tolerances (the eccentric
Tube more safety
Good toughness at low temperature
USA Market: 90% of the cylinder in the USA market are produced with welded tubes
Cost fix Lengths More Cheaper
Advantage of Our Company
Top class of welding line: SG/76 Enhanced High-precise High Frequency Welding Tube Production Line. The tube is of small outer diameter (D) and thick wall thickness (t): t/D≥0.2, and high size precision.
Application
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1985
Total Annual:
100000000-110000000
Employee Number:
600~700
Ecer Certification：
Verified Supplier
Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid... Zhangjiagang Hua Dong Energy Technology Co., Ltd. is a high-tech enterprise specialized in producing all kinds of stainless, carbon and alloy steel tubes and pipes, steel plates which are widely used in the field of boiler&heat exchanger, energy, petrochemical, mining, food, paper, gas and fluid...
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