The Metal Alloy Encyclopedia
Explore 765+ alloys with detailed properties, 6-axis ratings, composition data, and side-by-side comparisons.
765+
Alloys
10+
Families
14
Metal Bases
12+
Applications
Today's Alloy
ASTM A307 Bolts Grade A, B, Gr 307A Threaded Rod Tensile Yield Strength
Steel
Featured Alloys
View all →1.0570 Material St52-3 Steel Equivalent, Properties Composition – DIN 17100
Steel1.4104 Stainless Steel X14CrMoS17 Material Properties Equivalent, QT650
Stainless SteelStainless Steel
1.7147 Material 20MnCr5 Steel Equivalent, Properties, Composition
Steel(20Cr13) 2Cr13 Stainless Steel Equivalent, Properties & Chemical Composition
Stainless SteelStainless Steel
20CrMo Steel Equivalent, Chemical Composition, Mechanical Properties
SteelAlloy Steel
25CrMo Steel Chemical Composition, Mechanical Properties, Equivalent
Steel304 Stainless Steel Properties: SS304 Composition, Density, Yield Strength, Thermal Conductivity, Hardness, Modulus of Elasticity
Stainless SteelStainless Steel
42CrMoS4 +QT (1.7227) Steel 42CrMoS4V Material Properties, Composition, Hardness
SteelAlloy Steel
7Cr17MoV High Carbon Stainless Steel Properties, Hardness, Heat Treatment, Equivalent
Stainless SteelStainless Steel
(90Cr18MoV) 9Cr18MoV Stainless Steel Equivalent, Chemical Composition, Mechanical Properties
Stainless SteelStainless Steel
9Cr18Mo Stainless Steel Equivalent, Chemical Composition, Mechanical Properties
Stainless SteelStainless Steel
1.0037 Material St37-2 Steel Equivalent, Properties, Composition, DIN 17100
SteelBrowse by Family
View all →High-Entropy Alloy (MPEA)
Other
Multi-principal element alloys with 5+ elements in near-equiatomic ratios.
Alloy Steel
Steel
Steel alloyed with elements like chromium, molybdenum, or vanadium to enhance strength, hardness, or toughness beyond plain carbon steel.
Copper Alloy
Copper
Copper combined with tin (bronze), zinc (brass), or other elements to improve corrosion resistance, conductivity, or machinability.
Nickel Alloy
Nickel
Nickel-based alloys known for exceptional heat and corrosion resistance, widely used in aerospace turbines and chemical processing.
Titanium Alloy
Titanium
Titanium combined with aluminum, vanadium, or other metals to achieve a high strength-to-weight ratio with excellent corrosion resistance.
Aluminum Alloy
Aluminum
Aluminum combined with copper, magnesium, silicon, or zinc to improve strength and machinability while retaining low density.
Bearing Steel
Steel
High-carbon, high-chromium steel engineered for extreme hardness, wear resistance, and fatigue life in rolling-element bearings.
Carbon Steel
Steel
Iron-carbon alloy where carbon content (0.05–2.1%) primarily determines hardness and tensile strength. The most widely produced steel type.
Spring Steel
Steel
Medium-to-high carbon steel with high yield strength, allowing it to flex repeatedly under load and return to its original shape.
Stainless Steel
Stainless Steel
Iron-carbon alloy containing at least 10.5% chromium, which forms a passive oxide layer that resists corrosion and staining.
Browse by Metal
Applications
View all →Aircraft Structural Components
Aerospace
Alloys used in fuselage frames, wing skins, and primary structural members of commercial and military aircraft. These components demand exceptional strength-to-weight ratios and fatigue resistance to withstand repeated pressurization cycles.
Jet Engine Components
Aerospace
High-temperature alloys for turbine blades, compressor discs, and combustion chambers in gas turbine engines. Materials must maintain mechanical integrity at temperatures exceeding 1,000°C while resisting oxidation and creep.
Aerospace Fasteners
Aerospace
High-strength bolts, rivets, and fittings used to join aircraft structures. Aerospace fasteners must meet strict specifications for shear strength, fatigue life, and corrosion resistance in demanding service environments.
Automotive Body Panels
Automotive
Sheet metal alloys formed into hoods, doors, fenders, and structural panels for passenger vehicles. Modern body panels balance formability, dent resistance, and weight reduction to improve fuel efficiency and crash performance.
Engine & Drivetrain
Automotive
Alloys for engine blocks, crankshafts, camshafts, and transmission gears. These components operate under high stress, elevated temperatures, and cyclic loading, requiring excellent wear resistance and dimensional stability.
Exhaust Systems
Automotive
Heat-resistant alloys for exhaust manifolds, catalytic converter housings, and mufflers. These parts endure cyclic thermal stress up to 900°C and exposure to corrosive exhaust gases containing sulfur and nitrogen compounds.
Structural Steel
Construction
Alloys rolled into beams, columns, and load-bearing frameworks for buildings and bridges. Structural steel must meet minimum yield strength requirements while maintaining ductility for seismic resistance and ease of fabrication.
Reinforcing Bar (Rebar)
Construction
Steel bars embedded in concrete to provide tensile reinforcement in buildings, bridges, and infrastructure. Rebar alloys are specified by grade for yield strength and must bond effectively with surrounding concrete.
Architectural Cladding
Construction
Alloy sheets and panels used as facade cladding, curtain walls, and decorative building elements. Architectural alloys combine aesthetic finish quality with long-term weathering resistance and low maintenance requirements.
Ship Hull Plating
Marine
Corrosion-resistant alloys for hull structures, deck plating, and superstructure of ships and boats. Marine hull materials must resist saltwater corrosion, biofouling, and the mechanical stresses of wave impact over decades of service.
Marine Propellers
Marine
Alloys cast or forged into propellers, shafts, and underwater fittings for marine vessels. Propeller alloys must resist cavitation erosion, seawater corrosion, and fatigue from continuous rotational loading in harsh marine environments.
Offshore Platforms
Marine
Heavy-duty alloys for oil rig structures, subsea pipelines, and platform supports in offshore energy extraction. These materials face combined challenges of saltwater immersion, high pressures, sour gas exposure, and cathodic protection compatibility.
Engineering Tools
Interactive calculators and selectors to help you find the right alloy.
재료 선택기
Input your requirements — strength, corrosion resistance, weight, and application — to get recommended alloys.
합금 비교기
Compare two alloys side by side — mechanical properties, ratings, composition, and best use cases.
용접성 확인기
Check if an alloy is weldable and get carbon equivalent (CE) analysis for steel grades.
내부식성 검색
Find alloys that resist specific corrosive environments — saltwater, acids, high temperature oxidation, and more.
경도 변환기
Convert between Brinell (HB), Rockwell (HRC/HRB), Vickers (HV), and approximate tensile strength using ASTM E140.
응력-변형 계산기
Calculate engineering and true stress-strain from force, area, and elongation measurements.
열팽창 계산기
Calculate dimensional change due to temperature. Input length, CTE, and temperature change.
보 처짐 계산기
Calculate maximum deflection for simply supported and cantilever beams with common load cases.
피로 수명 추정기
Estimate fatigue life (cycles to failure) using Basquin's equation from stress amplitude and material constants.
금속 무게 계산기
Calculate the weight of metal shapes — plate, round bar, tube, square bar, and hex bar — from dimensions and density.
탄소 당량 계산기
Calculate carbon equivalent (CE) for steel weldability assessment using IIW and Pcm formulas.
강도 대 무게비 계산기
Calculate specific strength (strength-to-weight ratio) for material comparison in weight-critical applications.
볼트 토크 계산기
Calculate recommended tightening torque for bolts based on size, grade, and lubrication condition.
공학 단위 변환기
Convert common engineering units: MPa to ksi, mm to inches, g/cm³ to lb/in³, and more.
야금 온도 변환기
Convert temperatures between °C, °F, K, and °R with color reference for steel heat treatment.
밀도 변환기
Convert density between g/cm³, kg/m³, lb/in³, and lb/ft³ for material specifications.
강종 식별기
Look up a steel grade designation to find its properties, equivalent grades in other standards, and common uses.
드릴 & 탭 사이즈 차트
Find the correct drill bit size for tapping metric and imperial threads. Includes tap drill and clearance hole sizes.
조성 분석기
Analyze an alloy's chemical composition. See element breakdown, identify the alloy family, and compare to specifications.
열처리 가이드
Get heat treatment parameters for common steel grades — annealing, normalizing, quenching, and tempering temperatures.