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 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. 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. 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. 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. Pickling Oiled 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. Medical Slide Blister Packaging
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SPFH590 Chemical Composition
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 Steel Equivalent
EU
ENFrance
AFNORJapan
JISEngland
BSItaly
UNIUSA
–Inter
ISOGermany
DIN,WNrSweden
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
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
JIS G 3134 SPFH590 Physical Properties
Modulus of elasticity
(GPa)Specific thermal capacity
(J/kg·°C)
327
211
SPFH590 Exhibits Good Welding Properties
DIN 1.0980 Density
Density
7.8 – 7.9 g/cm³
Material Testing of JIS G3134 Grade SPFH590
HR50F45 Grade Surface Treatment
Heat Treatment of SPFH590 JIS G3134 Material
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
Carbon
0.15%
Silicon
0.50%
Manganese
1.80%
Phosphorus
0.025%
Sulfur
0.025%
Iron
96.25%