Structural steel
Are you interested in structural steels from the supplier company AvecGlob? Here you will find interesting information on this topic /
Definition and application
Structural steels belong to high-quality carbon steels, contain no more than 0.8% carbon, and are intended for the manufacture of a variety of metal structures. Depending on the ability to handle plastic deformation and weldability, medium-, high- and low-carbon structural steels are distinguished.
Features of the chemical composition of structural steels
Structural steels can be alloyed with other metals or materials, in addition to carbon, to improve their properties.
Low-carbon structural steels contain 0.16−0.29% carbon. They are the most common form of steel, because they come with a relatively low cost and provide material properties that are acceptable for many applications. They are not fragile, and are well suited to all processing technologies. The hardness of the surface of such steels can be increased due to cementation or similar modes of chemical-thermal treatment.
Medium-carbon structural steels contain approximately 0.30−0.59% carbon. They have a favorable combination of ductility and strength, and also have good wear resistance. They are used in the form of forgings, often for the manufacture of large industrial and automotive components.
High-carbon structural steels contain approximately 0.6−0.99% carbon. They are very durable and are mainly used for making springs and high-strength wires. Mechanical processing of such steels is difficult, and weldability in some cases is completely impossible.
Supplier — AvekGlob company — offers at a reasonable price from the manufacturer a wide range of structural steels that meet the technical requirements of the relevant domestic and foreign standards. The supplier guarantees the timely delivery of products to any address specified by the consumer.
Features of processing structural steels
Alloyed structural steels contain different amounts of metals and materials to specialize their properties. Some of the most common materials include chromium, molybdenum, nickel and silicon.
Chromium is added in relatively small amounts (0.5−2%) to increase hardenability, and in more noticeable amounts (4−18%) to improve corrosion resistance.
Molybdenum is added in an amount of 0.25−0.40% to increase the toughness of the steel.
Nickel is added in smaller amounts (2−5%) to increase the toughness and in large quantities (12−20%) to improve corrosion resistance.
Silicon is added to the steel in smaller quantities (0.2−0.7%) to increase strength and in large quantities (> 2%) to improve its magnetic properties.
Characteristics
To select structural steels, a preliminary analysis of the desired dimensions and specifications is required. Dimensions to be considered include the outer diameter, inner diameter, total length and total thickness of the product.
Other characteristics of importance (based on the application) include:
Product form
Strength limit
Yield strength
Melting temperature
Thermal and electrical conductivity
Resistance to corrosion
Viscosity
These properties differ depending on the processing method and the chemical composition of the structural steel.
Standards
Abroad, the brands of structural steels comply with the standards:
AISC 360 — Specification for buildings of structural steel.
AIST PB-334 — Manufacture and processing of steel.
ASTM F541 — Standard specification for products from alloyed structural steels.
Domestic standards for structural steels — GOST 1080 = 91 — for unalloyed grades and GOST 4543 -88 for alloy grades.
Supplier — AvekGlob Company — offers to purchase various grades of structural steels that meet the technical standards and requirements of GOST, DIN EN or ASTM. Products can be bought at a price formed on the basis of European and world standards of production. Implementation is possible in bulk and retail, for regular customers, a flexible system of discounts operates.