Last updated 1st May 2024

ASTM A308 Standard Specification for Steel Sheet, Terne (Lead-Tin Alloy) Coated by the Hot-Dip Process

ASTM A308 covers hot-dip coated sheet steel in coil and cut lengths that have been coated with lead-tin alloy. This substance also referred to as terne, is utilized in applications where it is preferred to have some degree of corrosion resistance and solderability. It works particularly well in situations where resistance to gasoline is needed. Additionally, a terne-coated sheet is utilized for stamping, where the coating lubricates the die and makes drawing easier. The coating weight, always stated as the entire coating on both sides

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    Introduction to ASTM A308

    An electrolytic nickel coating that has been pre-deposited on the steel sheet can be left bare (uncoated) before it is submerged in molten terne metal to create a terne-coated sheet. Typically, 8% is the minimum tin concentration; however, depending on the type of coating equipment being used, larger percentages may be employed. MaTestLab is one of the best testing service providers, with the best network of testing laboratories in the USA to carry out ASTM A308 tests for our clients.

    ASTM A308 Test Method

    Coating Bend test for nonstructural steel componentsThe coated sheet for all designations other than structural steel must be able to bend 180 degrees flat on itself in any direction without compromising the coating’s integrity outside of the bend. Rejection will not occur if the coating flaws within 6 mm of the bent specimen’s edge.
    Coating bend test for structural steel The specimen thickness for structural steel is correlated with the bend test inner diameters,

    ASTM A308 Test Specimens

    Specimen DetailASTM A308 covers hot-dip coated sheet steel in coil and cut lengths that have been coated with lead-tin alloy
    Specimen SizeDimensions (length, if cut), minimum or nominal width, and thickness for 10-mm edge distance or the table for thickness tolerances for 1-in [25 mm] at the edge.

    ASTM A308 Test Result

    ASTM A308 summarizes the requirements for a steel sheet coated with a terne (lead-tin alloy) layer by the hot-dip method. Terne coating enhances the use of steel in building materials, roofing, and automobile parts. It also improves the steel’s resistance to corrosion. 

    ASTM A308 Related Tests

    ASTM A308 is related to tests including ASTM A309 for Triple Spot Test as a Method for Determining the Composition of Coating on Ternary Sheet and ASTM A902 for Terminology Applied to Steel Products with Metallic Coatings.

    FAQ's

    Where can I get the astm a308 tested?

    You can share your astm a308 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm a308 test to various testing techniques.

    How much do I need to pay for the astm a308 test?

    Please contact us for a detailed quote for your astm a308 testing needs. Cost incurred to carry out different astm a308 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.

    How many samples are required for astm a308?

    The required number of samples or specimens should comply with the procedure given in the astm a308 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.

    How much discount can I get on the astm a308 test?

    MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.

    How many days will it take to complete the astm a308 test?

    The turnaround time for astm a308 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.

    Where can I get the astm a308 tested?

    You can share your astm a308 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm a308 test to various testing techniques.

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