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Electric Resistant Welded Steel Tube Astm A214 Carbon Steel For Boilers

Minimum Order Quantity : 1 Ton/Tons Price : US $800 -1200 / Ton
Packaging Details : packing in hexagonal bundles or wooden boxes Delivery Time : 5-6 weeks
Payment Terms : D/A, D/P, L/C, T/T, Western Union, MoneyGram Supply Ability : 25000 Ton/Tons per Year
Place of Origin: Zhejiang, China (Mainland) Brand Name: Torich
Certification: ISO9001:2008 ISO14001:2008 Model Number: ASTM A214

Detail Information

Name: ASTM A214 Carbon Steel For Boilers,Superheaters,Heat-Exchangers, Condensers Electric Resistance Welded Pipe Standard: ASTM A214
Surface: Oiled Usage: For Boilers,Superheaters,Heat-Exchangers, Condensers
Technique: ERW,SAWL,SAWH OD: 3-420mm
WT: 0.5-50mm Length: 3-12m
High Light:

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electric resistance welded steel tube

Product Description

product name:

ASTM A214 Carbon Steel For Boilers,Superheaters,Heat-Exchangers, Condensers Electric

Applications: for Boilers,Superheaters,Heat-Exchangers, Condensers


Size range: O.D.:6-76mm W.T.:0.9-19.0mm L: according to customer requirement

 

Manufacture:

Tubes are made by electric-resistance welding.

 

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

 

Steel Grade and Chemical Compositions:

C 0.18
Mn 0.27 to 0.63
P ≤0.035
S ≤0.035


Mechanical Properties
Tensile Streghth: min ksi[Mpa] 47[325]
Yield Point: min ksi[Mpa] 26[180]
Elongation: ≥35%
Hardness: ≤72HRB

 

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      

 

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Reference Documents:
 
ASTM A450/A 450M Sepcification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes

Electric Resistant Welded Steel Tube Astm A214 Carbon Steel For Boilers 2Electric Resistant Welded Steel Tube Astm A214 Carbon Steel For Boilers 3

 

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 and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.

 

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

 

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