Steel Alloy Matrix: thickness_range 1.5-200 mm, elongation ≥23%

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

Parameter	Typical range	Notes & selection driver
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

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 630, ASTM A36/A36M, EN 10025-2, JIS G3101

Parent Products

This component is used in the following industrial products

Hot-Rolled Carbon Steel Plate

Hot-rolled carbon steel plate is a semi-finished industrial material produced through continuous casting and hot rolling.

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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

Typical Suppliers & Equivalents

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

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

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Supplier transparency

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Manufacturers of Steel Alloy Matrix

Manufacturer profiles associated with Steel Alloy Matrix.

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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.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Steel Alloy Matrix