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50mm Cold Drawn Cs Annealed Carbon Steel Welded Tube

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50mm Cold Drawn Cs Annealed Carbon Steel Welded Tube

Brand Name : HDT

Model Number : HDT-CSWT001

Certification : ASME, ISO9001,ISO14001, PED

Place of Origin : China(Mainland)

MOQ : 5T

Price : 800 - 9000 USD / ton

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

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Cold Drawn Carbon Steel Welded Tube / Welded Steel Tube anti-corrosive

Specification of Thickness of Anti-corrosive Coating

DN(mm)

Epoxy powder

(μm)

 Adhesive layer(μm) Minimum thickness on the coating(mm)
Commonlevel(G) Strengthen level(S)
DN≤100 ≥120 ≥170 1.8 2.5
100<DN≤250 2.0 2.7
250<DN<500 2.2 2.9
500≤DN<800 2.5 3.2
DN≥800 3.0 3.7

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

50mm Cold Drawn Cs Annealed Carbon Steel Welded Tube


Product Tags:

Annealed Carbon Steel Welded Tube

      

50mm Carbon Steel Welded Tube

      

8mm Carbon Steel Welded Tube

      
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