Constellium
Aluminum products for aerospace and automotive. The company produces aluminum products specifically engineered for aerospace, automotive, and packaging applications requiring high performance alloys. Its aerospace products include fuselage and wing components for major aircraft manufacturers requiring strict material certification. Constellium's automotive body sheet enables lightweight vehicle construction that reduces emissions while meeting safety and crash performance requirements. The company operates rolling, extrusion, and recycling facilities in Europe and North America.
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MatWeb
Free database of material properties. The searchable database contains property data for over 100,000 materials including metals, polymers, ceramics, and composites. Engineers use it to compare tensile strength, thermal conductivity, density, and other specifications when selecting materials for product development. The data comes from manufacturer datasheets, industry standards, and published literature with traceable source references. Free registration provides full access to detailed property comparisons and material data export.
Alcoa
Aluminum products and solutions. The company pioneered commercial aluminum production in 1888 and continues as a major producer of bauxite, alumina, and aluminum products globally. Its aerospace-grade aluminum alloys are used in aircraft structures, jet engines, and space vehicles requiring high strength-to-weight performance. Alcoa's architectural aluminum systems include curtain walls, storefronts, and custom facade systems for commercial building envelopes. The company's Sustana line of low-carbon aluminum products uses recycled content and renewable energy to reduce embodied carbon.
McMaster-Carr
Industrial supply with metals, plastics, and hardware. The industrial distributor stocks over 700,000 products including metals, plastics, fasteners, raw materials, and tools with same-day or next-day shipping. Its website provides detailed technical specifications, CAD models, and application guidance for every product without requiring sales contact. McMaster-Carr's small-quantity availability enables prototyping and small-batch production without minimum order requirements from industrial material suppliers. Engineers and designers rely on it as a one-stop source for materials, components, and hardware during product development.
Online Metals
Small quantity metal supplier with instant quoting. The supplier provides aluminum, steel, stainless steel, brass, copper, and plastic in sheet, bar, tube, and plate forms with custom cutting services. Its instant online quoting calculates pricing for cut-to-size orders, eliminating the request-for-quote process typical of metals distribution. Online Metals serves hobbyists, prototypers, and small manufacturers who need small quantities without the minimum orders of traditional metal service centers. The company stocks over 60,000 SKUs across common and specialty alloy grades.
Speedy Metals
Small quantity metal supplier - same day shipping. The supplier provides small-quantity metals with same-day shipping on orders placed before noon, serving hobbyists and prototypers who need material quickly. Its inventory covers aluminum, steel, stainless steel, brass, copper, and bronze in standard shapes with custom cut-to-length service. Speedy Metals' online ordering system provides instant pricing without the phone-based quoting process of traditional metal distributors. The company fills a niche between hobby-store metals and industrial service center minimums.
Midwest Steel & Aluminum
Metals supplier for hobbyists and professionals. The supplier provides metals in small and large quantities to both hobbyists and commercial customers with cut-to-size services. Its inventory includes mild steel, aluminum, stainless steel, and brass in flat bar, round bar, tube, angle, and sheet forms. Midwest Steel serves the maker community, small manufacturers, and artists who need accessible metals without industrial distribution complexity. Online ordering with dimensional specifications enables custom cutting before shipment.