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ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
Specifications
Brand Name :
YUHONG
Model Number :
ASME SA178 Grade A Carbon Steel ERW Tube
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008.
Place of Origin :
CHINA
MOQ :
1000KGS
Payment Terms :
L/C, T/T
Delivery Time :
7days
Packaging Details :
Ply-wooden Case /Bundle with plastic Cap
Product Name :
Heat Exchanger Tube
Specification :
ASTM A178, ASME SA178
Material :
Grade A, C, D
O.D. :
1/2" to 5" (12.7 to 127 mm)
Min. Thickness :
0.035 to 0.360 in. (0.9 to 9.1 mm)
Length :
Single Random, Double Random & Cut Length
End :
Plain Ends / Beveled Ends
Process :
Cold Drawn, Hot Finished
Application :
Boiler, Heat Exchanger, Superheat
High Light :
ASTM A178 Grade A Heat Exchanger Tube , Carbon Steel ERW Tube
Description

ASTM A178 / ASME SA178 Gr.A Carbon Steel ERW Tube Heat Exchanger Tube

ASTM A178 /ASME SA178 this specification covers Grade A, C and D material with minimum-wall-thickness. The steel for Grade D shall be killed. carbon steel tubes under this specification shall be made by electric-resistance-welding / ERW process, which used in boiler, superheater, heat exchanger, etc.

Comparison with Other Standards

  • ASTM A192: For seamless boiler tubes, used in higher-pressure applications.

  • ASTM A210: Covers seamless medium-carbon steel tubes, offering higher strength than A178.

  • Grade A vs. Grade D: Grade D has higher carbon content (0.15–0.25%) for increased strength.

ASME SA178 Grade A Carbon Steel ERW Tube Chemical Composition

Element %. ASTM A178/ ASME SA-178
Grade A Grade C Grade D
C 0.06~0.18 ≤0.35 ≤0.27
Mn 0.27~0.63 ≤0.80 1.00~1.50
P ≤0.035 ≤0.035 ≤0.030
S ≤0.035 ≤0.035 ≤0.015
Si - - ≥0.10

ASME SA178 Grade A Carbon Steel ERW Tube Mechanical Properties

ASTM A178 Grade C Grade D
Tensile strength ksi [MPa] 60 [415] 70 [485]
Yield strength ksi [MPa] 37 [255] 40 [275]

Eelongation in 2" min. %

 30 30
For longitudinal strip tests a deduction for each 1 ⁄ 32 in. [0.8 mm] decrease in 1.50A 1.50A wall thickness below 5 ⁄ 16 in. [8 mm] from the basic minimum elongation of the following percentage points shall be made.

Manufacturing Process

  • ERW (Electric Resistance Welding): Sheets of steel are formed into a cylindrical shape, and edges are fused using electrical resistance. This method ensures precise dimensions and cost-effectiveness.

  • Post-Weld Heat Treatment: Often applied to relieve residual stresses and enhance mechanical properties.

Applications

  • Boilers and Superheaters: Designed for high-pressure, high-temperature environments (e.g., power plants, industrial boilers).

  • Heat Exchangers: Efficient thermal performance in HVAC and process industries.

  • Pressure Vessels: Suitable for moderate-stress applications due to ERW integrity.

ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube

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ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube

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Product Detail
Brand Name :
YUHONG
Model Number :
ASME SA178 Grade A Carbon Steel ERW Tube
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008.
Place of Origin :
CHINA
MOQ :
1000KGS
Payment Terms :
L/C, T/T
Contact Supplier
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube
ASME SA178 Grade A Carbon Steel ERW Tube , Boiler and Heat Exchanger Tube

Yuhong Group Co.,Ltd

Verified Supplier
13 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Seamless Pipe, Stainless Steel Seamless Tube, Duplex Stainless Steel Pipe
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
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