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Electric Resistance Welded Carbon Steel Heat Exchanger Tubes Oiled Surface

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Electric Resistance Welded Carbon Steel Heat Exchanger Tubes Oiled Surface

Brand Name : TORICH

Model Number : ASTM A178

Certification : ISO9001, ISO14001, TS16949

Place of Origin : ZHEJIANG, CHINA

MOQ : 10Tons

Price : USD800-1000/Ton

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 2000Tons per Year

Delivery Time : 30-45 work days

Packaging Details : Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing.

Keyword : Boiler and Heat Exchanger Tubes

Material : Grade A, Grade C, Grade D

Surface : Oiled

Shape : Round Shape

Length : Customized

WT : 0.9-9.1mm

OD : 12.7-127mm

Usage : Boiler, Superheater, Heat exchanger

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Products Description
TORICH ASTM A178 Electric-Resistance-Welded carbon steel tubes boiler and heat exchanger tubes
Standard
ASTM A178/A178M, A450/A450M, E213, E273
Matrial
Grade A, Grade B, Grade C
Size
OD: 12.7-127mm WT: 0.9-9.1mm Length: Customer's Requirement
Application
For Boiler, Superheater and Heat exchanger
Manufacture
The steel for Grade D shall be killed
Tubes shall be made by electric-resistance-welding
Test and Inspection
Mechanical Test, Tension Test, Flattening Test
Hardness Test, Flaring TestFlange Test
Chemical Requirements
Element
Grade A
low-Carbon Steel
Grade C
Medium-Carbon Steel
Grade D
Carbon-Manganese Steel
Carbon
0.06-0.18
0.035 max
0.27 max
Manganese
0.27-0.63
0.80 max
1.00-1.50
Phosphorus, max
0.035
0.035
0.030
Sulfur, max
0.035
0.035
0.015
Silicon
...
...
0.10 min
Tensile Requirements
Grade C
Grade D
Tensile Strength, min, ksi [MPa]
60 [415]
70 [485]
Yield Strength, min, ksi [MPa]
37 [255]
40 [275]
Elongation in 2 in. or 50mm, min, %
30
30
Minimum Elongation Values
Wall Thickness
Elongation in 2 in.
or 50mm, min, %
in.
mm
5/16 (0.312)
8
30
9/32 (0.281)
7.2
29
1/4 (0.250)
6.4
27
7/32 (0.219)
5.6
26
3/16 (0.188)
4.8
24
5/32 (0.156)
4
22
1/8 (0.125)
3.2
21
3/32 (0.094)
2.4
20
1/16 (0.062)
1.6
18

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Electric Resistance Welded Carbon Steel Heat Exchanger Tubes Oiled SurfaceElectric Resistance Welded Carbon Steel Heat Exchanger Tubes Oiled SurfaceElectric Resistance Welded Carbon Steel Heat Exchanger Tubes Oiled Surface

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.

FAQ

Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider

Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact us

TORICH ASTM A178 Electric-Resistance-Welded carbon steel tubes boiler and heat exchanger tubes









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