5454 Aluminum Sheet and Plate

What Is 5454 Aluminum?

5454 is a corrosion-resistant Al-Mg alloy with 2.4–3.0% magnesium, reinforced by manganese (0.5–1.0%) and chromium (0.05–0.20%). It is strengthened through cold working (strain hardening) rather than heat treatment.

What sets 5454 apart: It is one of the few 5xxx-series alloys ASME-approved for continuous service above 65°C — rated up to approximately 200°C (400°F). This elevated-temperature capability makes it the go-to choice for pressure vessels, chemical tanks, and hot-fluid transport where higher-Mg alloys like 5083 would risk sensitization.

Equivalent Designations

Product Specifications

Temper Selection Guide

Quick Comparison

Temper Details

5454-O — Maximum Formability

• Highest ductility in the 5454 family — elongation ≥14%.
• Deep-drawing ratio ≥1.8; crack-free bending at tight radii.
• Uses: Complex stamped parts, tank liners, cryogenic equipment (−196°C).

5454-H32 — Balanced Performance

• Cold-rolled + stabilized: best compromise of strength, formability, and cost.
• Primary temper for structural marine and transport applications.
• Uses: Hull plating, offshore platform decks, truck bodies, structural frameworks.

5454-H34 — Strength + SCC Resistance

• Higher cold-work than H32; optimal for welded load-bearing structures under corrosive conditions.
• ASME-rated for pressure service up to ~200°C.
• Uses: Pressure vessels, chemical reactors, LNG transport tanks, heavy-duty tanker shells.

5454-H38 — Maximum Hardness

• Full hard temper — highest strength, lowest ductility.
• Uses: Wear-resistant marine decking, mechanical wear parts, high-strength structural supports.

5454-H12 / H14 — Cost-Effective Mid-Range

• Strength between O and H32; versatile and economical.
• Uses: Industrial brackets, frames, non-pressure piping and tanks.

Chemical Composition (per ASTM B209)

Why Mg ≤3.0% matters: Alloys with Mg above ~3% (e.g., 5083 at 4.0–4.9%) are susceptible to β-phase (Al₃Mg₂) sensitization at sustained temperatures above ~65°C, leading to intergranular corrosion. 5454's controlled Mg range avoids this issue, making it ASME-approved for elevated-temperature pressure vessel service up to ~200°C — a critical advantage for chemical processing and hot-fluid transport.

Physical Properties

Mechanical Properties

Notes:

• Values per ASTM B209 for sheet/plate ≤6 mm; strength may decrease slightly in thicker sections.
• H38 values estimated from cold-work progression — confirm with mill test report.
• Fatigue strength: ~105 MPa at 5 × 10⁸cycles.
• Shear strength: ~150 MPa (H32).

5454 vs. Competing Alloys

5454 vs. 5052

Choose 5454 for chemical/thermal corrosion and ASME pressure service. Choose 5052 for cost-sensitive forming with moderate corrosion needs.

5454 vs. 5754

Choose 5454 for pressure vessels and elevated temperatures. Choose 5754 for deep-drawn automotive and interior parts.

5454 vs. 5083

Choose 5083 when maximum strength and marine-class certification (B928) are required. Choose 5454 for welded pressure vessels, chemical tanks, and any application with sustained service above 65°C.

Applications

Pressure Vessels & Chemical Processing (Primary Market)

• ASME-coded vessels: Reactors, heat exchangers, storage tanks (service to ~200°C).
• Chemical tanks: Resistant to chlorides, alkaline solutions, and industrial solvents.
• LNG transport: Tanker truck tanks (cryogenic + weld integrity).

Marine & Offshore

• Hull structures: Bulkheads, decks, superstructure panels.
• Offshore platforms: Structural frames, wind tower components (salt-spray + fatigue resistance).

Heavy Transport

• Tanker trucks/trailers: ~65% lighter than steel; excellent road-salt durability.
• Container floors: H32 plate for high-load, corrosion-prone environments.

Industrial Equipment

• Food processing: Brewing vessels, cold-storage systems (non-toxic, cleaner-resistant).
• Energy: Boiler components, heat-exchanger tubing.

Construction

• Coastal infrastructure: Bridge railings, dock fittings (marine atmosphere resistance).
• Industrial facilities: Roofing, gutter systems in chemically aggressive environments.

Stock Inventory

We stock 5454-H32 sheet and plate in a full range of thicknesses. Contact us for other tempers and custom sizes.

5454-H32 Sheet

5454-H32 Plate

Standards: ASTM B209 / ASME SB-209. All material supplied with mill test reports.

Packaging & Shipping

Shipping: Dry, clean 20'/40' containers; FOB / CIF / DDP available.

Pricing

FOB Price = SMM A00 Ingot Price + Processing Fee

FAQ

What makes 5454 different from 5052?

5454 adds manganese (0.5–1.0%) and chromium (0.05–0.20%) to the Al-Mg base, giving it ~10–15% higher tensile strength, superior resistance to chemicals and stress-corrosion cracking (SCC), and — most importantly — ASME approval for sustained service up to ~200°C. Choose 5052 for cost-sensitive forming; choose 5454 for pressure vessels and chemical environments.

Can 5454 be used for pressure vessels?

Yes — 5454 is one of the few 5xxx alloys listed in ASME Section VIII for pressure vessel construction, with allowable service temperatures up to ~200°C. Its controlled Mg content (≤3.0%) avoids the sensitization risk that limits higher-Mg alloys like 5083 to ~65°C.

What is the density of 5454 aluminum?

2.69 g/cm³ (168 lb/ft³) — approximately 65% lighter than steel and comparable to other 5xxx-series alloys.

Is 5454 suitable for cryogenic applications?

Yes. Like all Al-Mg alloys, 5454 retains ductility and toughness down to−196°C, making it suitable for liquid nitrogen and cryogenic storage. However, its primary competitive advantage is elevated-temperature service, not cryogenics — for dedicated LNG containment, 5083-O is the industry standard.

How does 5454 compare to 5083?

5083 offers ~10–12% higher tensile strength and is the standard for marine hull plate (ASTM B928 certified). However, 5083's high Mg (4.0–4.9%) makes it susceptible to sensitization above ~65°C. 5454 is the better choice for welded tanks, chemical vessels, and any application with sustained service above 65°C.

Is 5454 weldable?

Excellent weldability with TIG, MIG, and resistance welding using ER5356 or ER5554 filler wire. Welded joints retain corrosion resistance — a key advantage for pressure vessels and chemical tanks.