High-Strength Low-Alloy Steel Plate for Industrial Containers

Product Specifications

Technical details and manufacturing context for High-Strength Low-Alloy Steel Plate

Definition

High-strength low-alloy (HSLA) steel plate is a semi-finished industrial material specifically engineered for manufacturing metal tanks, reservoirs, and pressure vessels. It provides superior mechanical properties compared to conventional carbon steels while maintaining excellent formability and weldability. This material is essential in B2B supply chains for fabricators who produce storage containers for chemicals, petroleum, water, and industrial gases. Its balanced composition reduces weight while increasing structural integrity, making it cost-effective for large-scale container production. The plate is available in thicknesses from 5 to 150 mm and widths from 1500 to 4000 mm, with yield strength ranging from 345 to 690 MPa and tensile strength from 485 to 760 MPa. Elongation is typically 18–25%, and Charpy impact values range from 27 to 100 J, indicating good toughness. The material is suitable for operating temperatures from -40°C to 80°C and has a density of 7.85 g/cm³. Surface treatment is shot blasted and primed to Sa 2.5 per ISO 8501-1, with thickness tolerance of ±0.5 mm. Weldability is rated as excellent due to low carbon equivalent, while corrosion resistance is moderate and requires protective coating. These parameters are reference ranges based on standards such as ASTM A572, A6, A370, and E23; actual values must be confirmed for the specific grade and application. Buyers should verify compliance with relevant standards and ensure the material meets their design and fabrication requirements.

Working Principle

The enhanced mechanical properties of HSLA steel plate are achieved through precise alloying elements such as niobium, vanadium, or titanium in small quantities. These elements refine the grain structure during controlled rolling processes and create precipitation hardening effects. This results in higher strength without significantly increasing weight, while maintaining good formability and weldability. The controlled thermomechanical processing optimizes the microstructure, providing a balance of strength, toughness, and ductility suitable for demanding container applications.

Common Materials

Iron, Carbon, Manganese, Micro-alloying elements (Nb, V, Ti)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Yield StrengthRequired	345–690 MPa	Minimum yield point for structural design calculationsASTM A572
Tensile StrengthRequired	485–760 MPa	Ultimate tensile strength for safety factor determinationASTM A572
ThicknessRequired	5–150 mm	Plate thickness for container wall constructionASTM A6
WidthRequired	1500–4000 mm	Plate width for efficient material utilizationASTM A6
ElongationRequired	18–25 %	Percentage elongation indicating formability characteristicsASTM A370
Charpy Impact Value	27–100 J	Impact toughness at specified temperature for fracture resistanceASTM E23
Operating Temperature	-40–80 °C	Suitable for low-temperature service
Density	7.85 g/cm³	Typical for carbon steel
Surface Treatment	Shot blasted & primed	Sa 2.5 blast cleaningISO 8501-1
Tolerance	±0.5 mm	Thickness tolerance for platesASTM A6
Weldability	Excellent	Low carbon equivalentISO 15614
Corrosion Resistance	Moderate	Requires protective coating

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

Components / BOM

Base Iron Matrix Part
Primary structural framework providing bulk material properties

Material: Iron with controlled carbon content
Strengthening Alloy Elements Part
Precipitation hardening and grain refinement for enhanced strength

Material: Niobium, Vanadium, or Titanium additions

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for High-Strength Low-Alloy Steel Plate.

Manufacturers of High-Strength Low-Alloy Steel Plate

Manufacturer profiles associated with High-Strength Low-Alloy Steel Plate.

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Frequently Asked Questions

What standards apply to HSLA steel plate?

Common standards include ASTM A572 for mechanical properties, ASTM A6 for dimensions and tolerances, ASTM A370 for mechanical testing, and ASTM E23 for Charpy impact testing. Always verify the specific grade and compliance with the manufacturer.

What thicknesses are available?

The plate thickness ranges from 5 to 150 mm, with widths from 1500 to 4000 mm. Confirm exact dimensions with the supplier as per project requirements.

Is this steel suitable for low-temperature service?

The operating temperature range is -40°C to 80°C. For lower temperatures, consult the manufacturer for appropriate grades and impact testing.

How is the surface prepared?

The plate is shot blasted and primed to Sa 2.5 per ISO 8501-1. This prepares the surface for further coating or fabrication. Verify the surface treatment with the supplier.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 100 MPa (depending on thickness and design)
other spec:	Slurry concentration: Up to 60% solids by weight (depending on abrasiveness)
temperature:	-40°C to 400°C

High-Strength Low-Alloy Steel Plate

Product Specifications

Industry Taxonomies & Aliases

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards