July 01, 2025

SPFH590 Chemical Composition

SPFH590 chemical composition

The chemical composition of SPFH590 is essential for understanding its performance and suitability in various applications. The percentages of key elements determine the material’s mechanical properties, such as strength, ductility, and hardness. Maintaining strict adherence to standard composition guidelines ensures consistent quality and reliability, making it a preferred choice for critical engineering projects.

Table of contents

  • SPFH590 Chemical Composition
  • SPFH 590 Mechanical Properties
  • SPFH590 Steel Equivalent
  • Thermal Properties of S420MC Material
  • Electrical Properties of E420D Grade
  • JIS G 3134 SPFH590 Physical Properties
  • DIN 1.0980 Density
  • Material Testing of JIS G3134 Grade SPFH590
  • HR50F45 Grade Surface Treatment
  • Steel Grade SPFH 590 Heat Treatment
  • Max Service Temperature of FeE420 Material
  • Melting Point of S420MC Material
  • JIS G 3134 SPFH590 Shear Modulus and Poisson’s Ratio

SPFH590 Chemical Composition

Carbon
0.15%
Silicon
0.50%
Manganese
1.80%
Phosphorus
0.025%
Sulfur
0.025%
Iron
96.25%

SPFH 590 Mechanical Properties

Yield Strength
Rp0.2 (MPa)
Impact
KV/Ku (J)
Tensile Strength
Rm (MPa)
Brinell hardness (HBW) Elongation
A (%)
854 (≥) 12 447 (≥) 421 43

JIS G 3134 SPFH590 Plate – Ideal for Automobile Frames

This high-strength steel grade is widely used in automotive manufacturing, particularly for structural components like frames. Its superior mechanical properties allow for lighter designs without compromising strength or safety. This makes it an excellent option for engineers aiming to optimize weight while maintaining durability and load-bearing capacity.

SPFH590 Steel Equivalent

EU
EN
France
AFNOR
Japan
JIS
England
BS
Italy
UNI
USA
–
Inter
ISO
Germany
DIN, WNr
Sweden
SS
S420MC (1.0980) E420D SPFH590 HR50F45 Fe420TM Gr.60 FeE420 QStE420TM 2652

Thermal Properties of S420MC Material

Property Value
Coefficient of thermal expansion 1.32E-5 – 1.38E-5 1/K
Specific heat capacity 465 J/(kg·K)
Thermal conductivity 25 – 93 W/(m·K)

E420D Grade Offers Excellent Tensile Strength – Explore Electrical Properties of FeE420

Understanding the electrical properties of a material is crucial, especially when it comes to applications involving electrical conductivity. These properties define how well the material can handle electric current and are vital for ensuring both performance and safety in use.

Electrical Properties of E420D Grade

Electrical resistivity 1.43E-7 – 1.74E-7 Ω·m

DIN 1.0980 Contains Up to 0.5% Silicon – Explore HR50F45 Physical Properties

The modulus of elasticity measures a material's ability to resist deformation under stress, while specific heat capacity refers to the amount of heat required to raise the temperature of a unit mass by one degree Celsius. Both properties are essential for designing safe and efficient structures.

JIS G 3134 SPFH590 Physical Properties

Modulus of Elasticity
(GPa)
Specific Thermal Capacity
(J/kg·°C)
327 211
JIS G3134 SPFH590 Offers Good Weldability – Check SPFH590 Density

Knowing the density of a material is important for applications that require a balance between strength and weight. It helps in estimating the load-bearing capabilities and aids in cost estimation and material handling during the manufacturing process.

DIN 1.0980 Density

Density 7.8 – 7.9 g/cm³

Material Testing of JIS G3134 Grade SPFH590

  • Impact Tests
  • Hardness Tests
  • Tensile Tests
  • Flexure Tests
  • Deformation Tests
  • Fatigue and Fracture Mechanics Tests

HR50F45 Grade Surface Treatment

DIN 1.0980 pickling

Pickling

DIN 1.0980 oiled

Oiled

Check Heat Treatment of SPFH590 JIS G3134 Material

The following tests are commonly performed to ensure the quality and performance of SPFH590. Each test provides valuable information about the material’s behavior under different conditions:

  • Impact test – Measures toughness at various temperatures.
  • Hardness test – Evaluates wear resistance and surface strength.
  • Tensile test – Assesses the material’s ability to withstand stretching forces.
  • Flexure test – Determines bending capability and load resistance.
  • Deformation test – Checks the material’s flexibility and durability.
  • Fatigue and fracture mechanics tests – Analyze crack initiation and growth under stress.

Steel Grade SPFH 590 Heat Treatment

Heat Treatment 1198°C – 1875°C

Max Service Temperature of FeE420 Material

Max Service Temperature 498°C

Melting Point of S420MC Material

Melting Point 1480 – 1526 °C

JIS G 3134 SPFH590 Shear Modulus and Poisson’s Ratio

Shear Modulus 82 GPa
Poisson’s Ratio 0.29

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