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

Categories Welded Steel Tube
Brand Name: TORICH
Model Number: ASTM A178
Certification: ISO 9001 ISO 14001 TS 16949 EN 10204.3.1 LR KR
Place of Origin: China
MOQ: 0.5 Ton
Price: USD 1000-1200 per Year
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 60000 Tons per year
Delivery Time: 30-45 Days
Packaging Details: In bundles in wooden box
Product name: ASTM A178 Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Steel Tube
Type: Welded steel tube
Surface: Oiled
Material: Gr.A Gr.C Gr.d
Usage: Boiler and Superheater
Shape: Round
Keyword: ASTM A178 Electric-Resistance-Welded Boiler and Superheater Steel Tube
Length: 4-12m
OD: 12.7-127mm
WT: 0.9--9.1mm
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    Oiled Welded Steel Tube Carbon Steel / Carbon Manganese Steel Astm A178

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


    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 DAllowable deviation of outer diameterPermissible 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≤168.3D>168.3
    Type A3752351520
    Type C3902951318
    Type D4703451318
    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


    PIC_20170318_105704_FA2hanguan19


    12_1our certificateISOFAQ


    What is your Guarantee?
    1.SO9001:2008 and TS16949 certification, SGS, BV, TUV or other third party inspection is available.
    2.High quality with competitive price.
    3.Advanced technology, experienced engineer, ISO quality system for quality assurance and traceability.

    Do you have agent or distributor in our country?
    1.We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.


    How is your production capability?
    1.2000 tons monthly production capacity, 5000 tons monthly trading capability
    2.Prompt and Timely shipment

    How to get the sample?
    1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
    2.Sample charges will be refunded when order is placed.

    What is your Payment Term?
    1.T/T: 30% deposit in advance, the balance 70% paid before shipment
    2.30% down payment, the balance 70% paid against L/C at sight
    3.Upon negotiation

    Who are your customers?
    1.Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc


    How long will you react on our requirement?
    1.Your requirement would be treated within 24 hours on weekdays. Quotations would be sent upon technical details confirmed by customer!

    Any more questions about your doubts, please feel free to send us your emails or call!

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