INDUSTRY COMPONENT

Steel Alloy Matrix

Steel alloy matrix is the primary metallic structure in hot-rolled carbon steel plates, providing mechanical strength and durability.

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Component Specifications

Definition
The steel alloy matrix refers to the continuous metallic phase in hot-rolled carbon steel plates, composed primarily of iron with controlled carbon content (typically 0.05-0.25%) and trace alloying elements. This matrix forms through hot rolling at temperatures above recrystallization (approximately 1100-1300°C), creating a ferritic-pearlitic microstructure that determines the plate's mechanical properties including yield strength, tensile strength, and ductility.
Working Principle
The steel alloy matrix functions as the load-bearing framework in carbon steel plates. During hot rolling, the matrix undergoes plastic deformation and recrystallization, aligning grain structures to optimize mechanical properties. The carbon content within the iron matrix forms iron carbide (cementite) particles that strengthen the material through solid solution strengthening and precipitation hardening mechanisms.
Materials
Low-carbon steel (C: 0.05-0.25%, Mn: 0.30-0.90%, P: ≤0.040%, S: ≤0.050%, Si: ≤0.40%) with optional microalloying elements (Nb, V, Ti ≤0.15%) for grain refinement.
Technical Parameters
  • density 7.85 g/cm³
  • elongation ≥23%
  • yield_strength 235-355 MPa
  • thickness_range 1.5-200 mm
  • tensile_strength 370-500 MPa
  • thermal_conductivity 50-60 W/m·K
Standards
ISO 630, ASTM A36/A36M, EN 10025-2, JIS G3101

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Steel Alloy Matrix.

steel alloy matrix hot-rolled carbon steel ferritic-pearlitic structure low-carbon steel metal matrix steel plate material industrial steel Steel Alloy Matrix in Basic Metal Manufacturing

Parent Products

This component is used in the following industrial products

Hot-Rolled Carbon Steel Plate

Semi-finished steel plate for fabricating metal tanks and pressure vessels.

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Pressure Vessel Quality Steel Plate

Specialized steel plate manufactured for constructing metal pressure vessels and tanks

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Engineering Analysis

Risks & Mitigation
  • hydrogen-induced cracking in welded joints
  • lamellar tearing in thick sections
  • reduced toughness at low temperatures
  • surface decarburization during processing
FMEA Triads
Trigger: Excessive sulfur content (>0.050%)
Failure: Hot shortness and cracking during rolling
Mitigation: Implement ladle metallurgy with calcium treatment to control sulfide morphology
Trigger: Inadequate temperature control during hot rolling
Failure: Mixed grain structure reducing mechanical properties
Mitigation: Maintain consistent finishing temperature above Ar3 transformation point
Trigger: Improper cooling rate after rolling
Failure: Excessive pearlite content reducing weldability
Mitigation: Control cooling rate to achieve target ferrite-pearlite ratio

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Thickness: ±0.25mm to ±1.5mm depending on plate thickness; Width: +10mm to -0mm; Length: +50mm to -0mm
Test Method
Tensile testing per ISO 6892-1, Charpy impact testing per ISO 148-1, chemical analysis via optical emission spectrometry, ultrasonic testing for internal defects

Buyer Feedback

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Frequently Asked Questions

What is the difference between steel alloy matrix and steel microstructure?

The steel alloy matrix refers to the continuous metallic phase itself, while microstructure describes the arrangement and distribution of phases (ferrite, pearlite) within that matrix. The matrix is the material, the microstructure is its organizational pattern.

How does carbon content affect the steel alloy matrix?

Carbon content directly influences matrix properties: lower carbon (≤0.15%) creates softer, more ductile ferritic matrices, while higher carbon (0.15-0.25%) increases strength through pearlite formation but reduces ductility and weldability.

Can the steel alloy matrix be heat-treated after hot rolling?

Hot-rolled carbon steel plates typically receive no further heat treatment as the hot rolling process itself provides adequate properties. However, normalizing or stress relieving can be applied for specific applications requiring improved dimensional stability or reduced residual stresses.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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