IS 8917:1978

In this competitive scenario, it isn't easy to survive in the market without a standard quality and certified product. BIS license may also be required to sell products in the Indian market.

To get BIS certification and produce a standard quality product, the manufacturer must ensure that their product must follow the specified Indian standard.

Let's take a closer look at IS 8917:1978 for Steel plates for Galvanizing Pot.

This standard specifies the steel requirements for manufacturing steel pots for holding molten zinc for the hot-dip galvanizing process. This steel must be guaranteed weldable because the pots are fabricated by welding.

The general requirements for the supply of steel plates for galvanizing pots must be in accordance with IS 1387:1967. The steel shall be produced using an open hearth, an electric, basic oxygen, or a combination of these processes. Steel must be fine-grained and killed with Al, Ti, Zr, or any other refiner.

All finished steel must be well and cleanly rolled to the specified dimensions. Cracks, surface flaws, laminations, rough/jagged and imperfect edges, and all other harmful defects must be absent from the finished material. Depending on the requirements agreed upon between the purchaser and the manufacturer, the steel shall be supplied as-rolled or in the normalized condition.

Manufacturers should check the grain size of the steel plate on a regular basis, as recommended in standard, and the grain size should be five or finer.


Tests shall be carried out in accordance with the method prescribed.

  • Chemical composition
  • Dimension
  • Grain size
  • Tolerance


Every plate with a 10 mm or greater thickness must be stamped with the cast number. The manufacturer's name and/or trade-mark must be painted or punched in a prominent location on the plate. The IS1 Certification Mark may also be applied to the material. The Manufacturer must obtain a BIS license from the Bureau of Indian Standards to use a standard mark (ISI Mark). The Bureau grants a license based on a successful assessment of manufacturing infrastructure, production process, and quality control and testing capabilities during a visit to its manufacturing premises.

ALSO READ: BIS QCO for the Steel and Steel Products (Specification for Steel Plates for Galvanizing Pots)

isi mark


For Detailed Information about the Procedure for BIS ISI Certification


If a product falls under the scope of the BIS Conformity Assessment Scheme, All the manufacturers, importers, and foreign entities must obtain BIS ISI Certification. The Bureau may cancel the License if the product fails to meet certification requirements.

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