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ASTM A752M A752 Grade 4028

The company adopts modern management concept, adheres to "quality for survival, integrity for development", and provides customers with high-quality and reliable steel ASTM A752M A752 Grade 4028 products and wholehearted service. The company continuously deepens the internal reform of the enterprise, innovates in the reform, develops in the innovation, and gradually forms a set of management and operation mechanism which adapts to the ASTM A752M A752 Grade 4028 market and has strong competitiveness.

Steel plate

Steel plate

The thickness of steel plate can achieve to 700mm from 4.5mm; Various sizes can be customized according to customer needs

Steel coil

Steel coil

The thickness range of steel coil is from 1.2mm to 25.4mm; Various sizes can be customized according to customer needs

Steel Pipe

Steel Pipe

Various sizes can be customized according to customer needs

Steel structure

Steel structure

Various sizes can be customized according to customer needs

Application: Alloy steel bars and thick round steel wires (metric).

Heat treated: 1225°C - 1544°C.

ASTM A752M A752 Grade 4028 In addition to carbon, steel also contains a small amount of manganese (Mn), silicon (Si), sulfur (S), phosphorus (P), oxygen (O), nitrogen (N) and hydrogen (H). These elements are not intentionally added to improve the quality of steel, but are brought in by ore and smelting process, so they are called impurity elements. These impurities have a certain impact on the properties of steel. In order to ensure the quality of steel, the chemical composition of all kinds of steel is strictly stipulated in technical standards.
The main elements proportion is as below:

Element Min Max Similar
Si 0.1500 0.3000 -
S 0.0350 0.0500 -
P - 0.0350 -
Ni - 0.2500 -
Mo 0.2000 0.3000 -
Mn 0.7000 0.9000 -
Cu - 0.3500 -
Cr - 0.2000 -
C 0.2500 0.3000 -

The resistance of ASTM A752M A752 Grade 4028 to damage under load is called its mechanical properties. The mechanical properties of steel materials are the main basis for the design and material selection of parts. The mechanical properties of steel materials will be different with different loading properties (such as tension, compression, torsion, impact and cyclic loads). Common mechanical properties include strength, plasticity, hardness, impact toughness, multiple impact resistance and fatigue limit.
The mechanical properties of ASTM A752M A752 Grade 4028 is in line with ASTM A752M A752 Grade 4028 The main properties as below:

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
494 (≥) 627 (≥) 22 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical properties of ASTM A752M A752 Grade 4028 mainly cover modulus of elasticity, coefficient of thermal expansion, thermal conductivity, specific thermal capacity, electrical resistance value, density, poisson's ratio, etc.

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
41 - -     0.32 -  
676 782 - 14.3 344   -  
362 - 22 24.2   122 441

Over the years, the company has strived for perfection, being well-received. By virtue of stable product performance, high-quality engineering effects and perfect service system, we have won the trust of many customers, and our engineering cases and after-sales service systems are spread all over the world. We regularly conduct quality tracking and return visits by phone and email, listen to customers' opinions, and continuously improve service quality.

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