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What is air dry steel

Air dry steel (HSS), which stands for English equivalent high-speed steels, is classified as a tool steel and is commonly used in the form of shear to [...]

What are dry bolts

Steel bolts, called dry bolts, are among the most resistant bolts that have different types and models.

Rebar in soil nailing

Rebar is one of the steel sections which is almost one of the most applicable iron products in any construction project .

zigzag rebar

One of the types of rebar is zigzag rebar, which is made of a3 ribbed rebars and simple rebars.

Polymer concrete

In general, polymers and polymer products have been considered since 1990 and in this year for the first time the consumption of polymers in terms of [...]

Explosion-proof structure

Various factors such as durability, resistance, appearance beauty, availability of materials, climatic and economic conditions are effective in the de [...]

Stages of installation and construction of steel structure

One of the most important new executive methods for a variety of construction and industrial structures that are fully regulated in terms of engineeri [...]

Warsaw alloy and its advantages and disadvantages

Warsaw alloy is a copper-based alloy with about 65% copper , 18% nickel and 17% zinc used in its construction .

History of metallurgy – From beginning of history up to the present

Metallurgy is one of the oldest arts and one of the newest sciences .

Technical and applied specifications of agricultural water pipes and wastewater collection

The pipe is bonded with water, which means that when we talk about the pipe, the water pipe unconsciously and the role of the pipes in the water suppl [...]

Alkali metals

The elements of the first group of the periodic table , with the exception of hydrogen metals , are called alkali metals .

Colored sheet and its types and applications

Some may think that this color coating is only used for beauty, but galvanized colored sheets have advantages in proportion to colorless sheets .