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JIS G3113 SAPH370 automobile structure steel plate

JIS G3113 SAPH370 automobile structure steel plate

JIS G3113 SAPH370 automobile structure steel plate

In the high-octane world of automobiles, where sleek design meets robust performance, every component plays a vital role. But none is more crucial than the underlying structure, the silent guardian ensuring safety and handling – the automotive structural steel. Today, we zoom in on a champion performer in this arena: JIS G3113 SAPH370, a grade that strikes the perfect balance between muscle and formability.

JIS G3113 SAPH370 Mechanical Properties

Yield Strength: 370 MPa (minimum) - This represents the point where the steel begins to deform permanently. With a high yield strength, JIS G370 provides exceptional resistance to bending and twisting, contributing to crashworthiness and structural integrity.
Elongation %: 22% (minimum) - This measures the steel's ability to stretch before breaking, enabling fabrication and shaping of complex components without compromising strength.
Bending: Excellent bendability makes JIS G370 ideal for shaping intricate car parts like door panels and chassis components, allowing for creative design freedom.
Where SAPH370 Takes the Lead, The specific detailed parameters are as follows:

Grade SAPH370
Tensile Strength(N/mm²) ≥370
Yield Strength
(N/mm²)
Thickness
(mm)
<6.0 ≥225
6.0~8.0 ≥225
8.0~14.0 ≥215
Elongation % Thickness
(mm)
1.6~2.0 ≥32
2.0~2.5 ≥33
2.5~3.15 ≥35
3.15~4.0 ≥36
4.0~6.3 ≥37
6.3~14 ≥38
Bending Inside radius Thickness
(mm)
<2.0 0.5 times of thickness
≥2.0 1.0 times of thickness
Bending angle 180°

The combination of impressive strength, good weldability, and excellent formability makes JIS G3113 SAPH370 the prime candidate for a wide range of automotive applications:

Chassis and frame components: Its strength and rigidity form the backbone of the car, handling the stresses of road and handling demands.
Safety-critical parts: From A-pillars to reinforcement bars, SAPH370's resilience protects occupants in case of collisions.
Suspension components: With its ability to withstand constant movement and strain, SAPH370 ensures a smooth and controlled ride.
Engine and transmission mounts: The high yield strength provides secure and stable mounting of these vital components.

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