Metals & Alloys (10)

Industrial Densities

Class 50490 lbs/cu ft

Carbon Steel (A36 Structural)

The most widely used structural steel in North America for construction, bridge framing, and heavy manufacturing.

7.85 g/cm³ · 7850 kg/m³

Class 50495 lbs/cu ft

Stainless Steel (Grade 304)

Austenitic chromium-nickel stainless steel offering excellent corrosion resistance in food, sanitary, and architectural environments.

7.93 g/cm³ · 7930 kg/m³

Class 50500 lbs/cu ft

Stainless Steel (Grade 316 Marine)

Marine-grade stainless steel with enhanced resistance to chloride pitting, sea water, and chemical washdowns.

8 g/cm³ · 8000 kg/m³

Class 55169 lbs/cu ft

Aluminum Alloy (6061-T6)

The standard aerospace and structural extrusion alloy. Excellent strength-to-weight ratio with superior weldability.

2.7 g/cm³ · 2700 kg/m³

Class 55167 lbs/cu ft

Aluminum Sheet (5052-H32)

Standard sheet metal alloy for marine fuel tanks, electronic chassis, and highway road signs.

2.68 g/cm³ · 2680 kg/m³

Class 50559 lbs/cu ft

Pure Copper (C110 ETP)

Electrolytic tough pitch copper with 100% IACS electrical conductivity for power distribution and plumbing.

8.96 g/cm³ · 8960 kg/m³

Class 50530 lbs/cu ft

Free-Cutting Brass (C36000)

Industry benchmark for machinability. Contains small lead additions for lubricity and rapid chip clearance.

8.5 g/cm³ · 8500 kg/m³

Class 50450 lbs/cu ft

Gray Cast Iron (Class 30)

High damping capacity casting iron with excellent compressive strength and machinability for engine blocks.

7.2 g/cm³ · 7200 kg/m³

Class 50708 lbs/cu ft

Pure Chemical Lead

Heavy shielding and ballast metal with high ductility and low melting point.

11.34 g/cm³ · 11340 kg/m³

Class 55276 lbs/cu ft

Titanium Alloy (Ti-6Al-4V Grade 5)

The workhorse alloy of the aerospace industry with outstanding strength, fracture toughness, and heat tolerance.

4.43 g/cm³ · 4430 kg/m³

Building Materials & Minerals (8)

Industrial Densities

Class 50145 lbs/cu ft

Standard Cured Concrete (Normal Weight)

Standard civil construction mix of Portland cement, fine aggregate sand, coarse aggregate gravel, and water.

2.32 g/cm³ · 2320 kg/m³

Class 55168 lbs/cu ft

Natural Granite Stone (Solid Slabs)

Dense igneous plutonic rock composed of quartz and feldspar, known for scratch resistance and hardness.

2.69 g/cm³ · 2690 kg/m³

Class 55165 lbs/cu ft

Natural Marble (Architectural Slabs)

Metamorphic rock formed from recrystallized limestone, prized for luxury interior finishes.

2.64 g/cm³ · 2640 kg/m³

Class 50120 lbs/cu ft

Standard Red Clay Brick

Fired ceramic building block standard for exterior masonry walls and chimneys.

1.92 g/cm³ · 1920 kg/m³

Class 6048 lbs/cu ft

Gypsum Board / Drywall (1/2" Standard)

Calcium sulfate dihydrate core encased in heavy recycled paper facings for interior partitioning.

0.77 g/cm³ · 770 kg/m³

Class 50100 lbs/cu ft

Dry Silica Sand (Bulk / Supersack)

Clean, graded quartz silica sand used in concrete batching, glassmaking, and industrial sandblasting.

1.6 g/cm³ · 1600 kg/m³

Class 50105 lbs/cu ft

Crushed Stone Gravel (#57 Limestone)

Angular crushed limestone aggregate sized between 1/2" to 1" for driveways, drainage beds, and road subbase.

1.68 g/cm³ · 1680 kg/m³

Class 50145 lbs/cu ft

Dense Compacted Asphalt Pavement

Composite bituminous pitch and stone aggregate for high-durability road surfacing.

2.32 g/cm³ · 2320 kg/m³

Lumber & Timber (6)

Industrial Densities

Class 5545 lbs/cu ft

Red Oak Hardwood (Kiln-Dried 8% MC)

Traditional American hardwood benchmark for solid timber flooring, high-end cabinetry, and heavy furniture.

0.72 g/cm³ · 720 kg/m³

Class 6035 lbs/cu ft

Southern Yellow Pine (Kiln-Dried)

The highest density commercial softwood in the US, widely used for structural house framing and pressure treating.

0.56 g/cm³ · 560 kg/m³

Class 6034 lbs/cu ft

Douglas Fir (Structural Timber)

Premier timber species for heavy timber frames, glue-laminated beams (Glulam), and engineered wood products.

0.54 g/cm³ · 540 kg/m³

Class 5538 lbs/cu ft

CDX Structural Plywood (4x8 Sheets)

Cross-laminated wood veneer panels bonded with exterior waterproof phenolic adhesive for roof and wall sheathing.

0.61 g/cm³ · 610 kg/m³

Class 5548 lbs/cu ft

MDF (Medium Density Fiberboard)

Engineered wood product made by breaking down hardwood and softwood residuals into fine wood fibers bonded with resin.

0.77 g/cm³ · 770 kg/m³

Class 10010 lbs/cu ft

Balsa Wood (End-Grain Structural)

The lightest commercial timber in the world. Exceptional specific shear and compressive strength for composite sandwich panels.

0.16 g/cm³ · 160 kg/m³

Plastics & Polymers (5)

Industrial Densities

Class 6087 lbs/cu ft

Rigid PVC (Polyvinyl Chloride Type 1)

High chemical resistance thermoplastic pipe and sheet material for industrial drainage and corrosive acid handling.

1.4 g/cm³ · 1400 kg/m³

Class 6560 lbs/cu ft

HDPE (High-Density Polyethylene)

Tough, chemical-resistant polymer with high tensile strength. Used for industrial cutting boards and bulk shipping totes.

0.96 g/cm³ · 960 kg/m³

Class 6074 lbs/cu ft

Cast Acrylic / Plexiglass (PMMA)

Optical clarity benchmark thermoplastic. Half the weight of glass with 10 times the impact resistance.

1.19 g/cm³ · 1190 kg/m³

Class 6075 lbs/cu ft

Polycarbonate Sheet (Lexan / Makrolon)

High impact resistance polymer. 250 times stronger than glass and 30 times stronger than acrylic.

1.2 g/cm³ · 1200 kg/m³

Class 2502 lbs/cu ft

Rigid Polyurethane Foam (2 lb density)

Closed-cell insulation foam used in cold storage walls, refrigerated truck bodies, and commercial roof boards.

0.032 g/cm³ · 32 kg/m³

Bulk Liquids & Agricultural (5)

Industrial Densities

Class 5562.4 lbs/cu ft

Fresh Pure Water (at 60°F / 15.6°C)

Standard reference fluid for all specific gravity and liquid density calculations.

1 g/cm³ · 1000 kg/m³

Class 6053 lbs/cu ft

Ultra-Low Sulfur Diesel Fuel (ULSD #2)

Refined petroleum hydrocarbon distillate fuel for compression-ignition diesel engines across trucking and rail.

0.85 g/cm³ · 850 kg/m³

Class 6055 lbs/cu ft

Motor Oil / Engine Lubricant (SAE 30)

Petroleum-based mineral lubricant formulated to reduce friction and heat in internal combustion engines.

0.88 g/cm³ · 880 kg/m³

Class 5545 lbs/cu ft

Yellow Dent Corn (Shelled Field Corn)

Primary agricultural grain grown in the US Midwest for livestock feed, ethanol fuel production, and high-fructose corn syrup.

0.72 g/cm³ · 720 kg/m³

Class 5548 lbs/cu ft

Hard Red Winter Wheat (Dry Cleaned)

High-protein bread wheat grown throughout the Great Plains, providing strong gluten flour for baking.

0.77 g/cm³ · 770 kg/m³