SPFH590 chemical composition

The chemical composition of SPFH590 plays a crucial role in determining its performance and suitability for various applications. This material is primarily used in the automotive industry due to its high strength-to-weight ratio and durability. The percentages of the elements present in SPFH590 directly influence its mechanical properties, making it essential to follow specific standards during production to ensure quality and reliability.

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 – Used in Automotive Frames

SPFH590 is widely used in the manufacturing of automobile frames due to its excellent strength and structural integrity. Its high strength allows for lighter designs without compromising on safety or durability. This makes it ideal for applications where weight reduction is a priority, while still maintaining strong load-bearing capabilities. It also enables more complex frame designs that are both efficient and robust.

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

Understanding the electrical properties of a material is essential for its proper application, especially in environments where electric currents may be involved. For E420D grade, the electrical resistivity ranges from 1.43E-7 to 1.74E-7 Ω·m, which helps determine its suitability for use in different systems.

Electrical Properties of E420D Grade

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

DIN 1.0980 Material Contains Up to 0.5% Silicon

The modulus of elasticity refers to a material's ability to resist deformation under stress, while specific thermal capacity measures how much heat the material can absorb per unit mass. These properties are critical for engineers when designing safe and reliable structures.

JIS G 3134 SPFH590 Physical Properties

Modulus of elasticity
(GPa)
Specific thermal capacity
(J/kg·°C)
327 211
SPFH590 Exhibits Good Welding Properties

The density of SPFH590 is an important factor in applications where both strength and weight efficiency are required. A density of 7.8–7.9 g/cm³ ensures that the material can support heavy loads while remaining relatively lightweight, making it ideal for automotive and industrial uses.

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

Heat Treatment of SPFH590 JIS G3134 Material

Proper heat treatment is essential to achieve the desired mechanical properties of SPFH590. The recommended temperature range for heat treatment is between 1198°C and 1875°C, ensuring optimal performance and structural integrity.

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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