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Oiled Welded Steel Tube Carbon Steel / Carbon Manganese Steel Astm A178

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Oiled Welded Steel Tube Carbon Steel / Carbon Manganese Steel Astm A178

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Brand Name : New Era

Model Number : ASTM A178

Certification : ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR

Place of Origin : China

MOQ : 5 tons

Price : Negotiation

Payment Terms : T/T

Supply Ability : 3000 tons/month

Delivery Time : 45 days

Packaging Details : Bundles Package, Wooden Box Package

Material : Gr.A Gr.C Gr.d

Delivery Condition : KM GKM GZF NKM NZF

OD Size : 12.7-127mm

WT Size : 0.9--9.1mm

Keyword : ASTM A178 Electric-Resistance-Welded Boiler And Superheater Steel Tube

Surface : Oiled

Usage : Boiler And Superheater

Shape : Round

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ASTM A178 Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Steel Tube

Oiled Welded Steel Tube Carbon Steel / Carbon Manganese Steel Astm A178

Application:boiler tubes,boiler flues,superheater flues and safe ends.

Size:L--4~12m

OD--12.7-127mm

WT--0.9-9.1mm

Grade:Type A,C and D

Manufacture :electric-resistance welding.

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.

TABLE 1 Allowable deviation of outer diameter and wall thickness

Unit: millimeter

Nominal outside diameter D Allowable deviation of outer diameter Permissible deviation of wall thickness
D≤48.3 ±0.50 ±10%S
48.3<D≤273 ±1%D
D>273 ±0.75%D

TABLE 2 Mechanical Property

Grade

Tensile strength

Lower yield strength

Elongation A%

Not less than

D≤168.3 D>168.3
Type A 375 235 15 20
Type C 390 295 13 18
Type D 470 345 13 18
Note : Tensile test arbitration time is based on longitudinal sample.

Surface Quality:The internal and external surfaces of the steel tube are not allowed to have cracks, scabs, folds, delaminations, laps, and burns. Allows for scribes, scratches, misalignment of welds, burns, oxide scales, and external burr removal traces that are not more than a negative wall thickness deviation

Inspection items:

chemical composition

Tensile test

Ultrasonic examination

Eddy current flaw detection

Bending test

Flattening test

Oiled Welded Steel Tube Carbon Steel / Carbon Manganese Steel Astm A178

Oiled Welded Steel Tube Carbon Steel / Carbon Manganese Steel Astm A178

Oiled Welded Steel Tube Carbon Steel / Carbon Manganese Steel Astm A178


FAQ:
1. Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to check tube quality.

You need to in charge of Express costs.
2. How about your production capacity?
3000 tons/Month.

3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.

4. Where is your factory?
Jiaxing city, 2 hours away from Shanghai.

5. How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following,quotation will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade

3). Tube Size and Size Tolerance
4). Tube length

5). Quantity
6). If any special requirements
6. How about the minimum order quantity?
Normally for one size above 1 ton.

Welcome to contact us! Thanks.


Product Tags:

weldable steel pipe

      

welding round tubing

      
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