ASTM 178, Grade D Heat Exchanger Tube

ASTM 178, Grade D Heat Exchanger Tube

ASTM 178, Grade D Heat Exchanger Tube with plain end

ASTM A178 Grade D heat exchanger tube qualified products stacked

Bundle package
Protected by plastic bag outside

Protect with woven bags
Packed in container

Standards: ASTM A178 (ASME SA178)

ASTM A178/A 178M Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes

Grade: Grade A Grade C Grade D

Size: OD 1/2in-5in(12.7-127mm)

Wall thickness:0.035in-0.360in(0.9-9.1mm)

Different name

Condenser steel tube,heat-exchanger tube,low carbon steel pipe,Resistance welded steel tube ,Bolier flues,Spoerheater flues and safe ends,ERW carbon steel pipes.

Chemical Composition:

Element % Grade D
Manganess Steel
C 0.27 Max
Mn 1.00-1.50
P 0.030
S 0.015
Si 0.10 Min.

Mechanical Property:

Grade C & Grade D tubes shall conform to the requirements -tensile properties prescribed below:







For longitudinal strip tests a deduction for






From the basic minimum elongation of the following percentage points shall be made

Outside diameter and Wall ThicknessTolerance:

Outside Diameter tol Wall thickness tol

OD < 50


S < 4mm


OD > 50






Referenced Documents:

ASTM standards:

A450/A450M Specification for General Requirements for Carbon,Ferritic Alloy,and Austenitic Alloy steel tubes.

E213 Practice for Ultrasonic Examination of Metal pipe and tubing.

E273 Practice for Ultrasonic Examination of Longitudinal Welded Pipe and Tubing.

Manufacturing Process: ERW

Heat treatment:
After welding,all tubes shall be heat treated at a temperature of 1650°F(900℃) or higher and followed by cooling in air or in the 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°F(650℃)or higher.

Surface Condition:

Finished tubes shall be free of scale,A slight amount of oxidation will not be considered as scale.

Mechanical Tests Required:

Flattenting Test/Flaring test/Flange test/Crush test/Tension test/Reverse Flattening test/Hydrostatic or Nondestructive Electric Test


Used in boiler, superheater, heat-exchanger and pressure equipment in Petrochemical factory, Refinery factory, sugar mill, power plant, power plant, shipbuilding.


4. Pipe caps as customer request

5. As per your requirement

Welded pipes by manufacturing process

Sunny Steel produce an extensive selection of welded steel pipe including ERW, HFI, EFW, LSAW, DSAW and UOE type carbon steel pipe along with their respective flanges and fittings.

Electric Resistance Welded Pipe
High Frequency Induction (HFI) Welded Pipe
UOE (Uing and Oing forming) Pipes

English Inglés SpanishEspañol

Contac Us

Sunny Steel Blog


Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.

Link exchange

Copyright © 2011 Sunny Steel Enterprise Ltd.  All Rights Reserved ICP No.:08010763