Materials
Alloy comparisons, material properties, and equivalent-grade references for specifying the right metal.
Gray Iron vs Ductile Iron: Properties, Uses, and How to Specify
Gray iron and ductile iron differ in graphite microstructure, tensile strength, and impact resistance. Compare properties, ASTM specs, and applications.
1020 Steel Equivalent Materials & Metal Specifications
1020 steel is a low-carbon mild steel with 0.18-0.23% carbon, offering a practical balance of strength and ductility. This page covers its international equivalents, mechanical properties by condition, and chemical composition.
1045 Steel Equivalent Materials & Metal Specifications
1045 steel is a medium-carbon steel known for strength, hardness, and machinability. This page covers its European equivalents (C45, CK45), mechanical properties by condition, chemical composition, and common industrial applications.
2024 Aluminum vs 6061 Aluminum: Properties, Uses, and How to Choose
2024 and 6061 are both workhorse aerospace alloys, but they serve opposite needs: 2024 delivers high strength and fatigue resistance under tension, while 6061 offers superior corrosion resistance, weldability, and fabrication versatility.
40Cr13 | Equivalent Materials & Metal Specifications
A reference guide to 40Cr13 (4Cr13) martensitic stainless steel per GB1220-92 and GBT1220-2007: chemical composition, physical properties, and European equivalent X39Cr13.
41Cr4 Equivalent Materials & Metal Specifications
41Cr4/1.7035 is a chromium alloy steel for quenching and tempering, suited to medium-load components such as gears, shafts, and steering knuckles. This page covers international equivalents, chemical composition, and mechanical properties.
42CrMo | Equivalent Materials & Metal Specifications
A reference guide to 42CrMo alloy structural steel per GB/T3077: chemical composition, mechanical properties, and international equivalents 4140, 42CrMo4, and SCM440.
42CrMo4 Steel | Equivalent Materials and Metal Specifications
42CrMo4 is a chromium-molybdenum alloy steel per DIN EN ISO 683-2, valued for its strength and toughness after quenching and tempering, with equivalent grades including AISI 4140 and SAE 4140H.
4Cr13 Steel | Equivalent Materials and Metal Specifications
4Cr13 (40Cr13) is a martensitic stainless steel with high hardenability, excellent corrosion and hot-oxidation resistance, and superior polishing properties, used in precision tools, plastic molds, and petrochemical components.
6061-T6 | Equivalent Materials & Metal Specifications
A reference guide to 6061-T6 aluminum alloy: chemical composition, mechanical properties, and equivalent grades including 6082-T6 and 6005A-T6.
7075 Aluminum vs 6061: Strength, Weldability, and Application Differences
7075 aluminum nearly doubles the tensile strength of 6061 and dominates aerospace tooling, but it is generally considered non-weldable and harder to form. 6061 offers superior corrosion resistance, weldability, and fabrication versatility for a broader range of industries.
8Cr13 | Equivalent Materials & Metal Specifications
A reference guide to 8Cr13MoV Chinese stainless steel: chemical composition, heat treatment parameters, and equivalent grades AUS-8 and AISI 440B/440C for blade and cutting tool applications.
G3141 | Equivalent Materials & Metal Specifications
A reference guide to JIS G3141 cold-rolled steel grades (SPCC, SPCD, SPCE): equivalent standards, production process, and applications in automotive, construction, and appliances.
JIS Aluminum Alloys | Equivalent Materials & Metal Specifications
A reference guide to JIS H 5202 and JIS H 5302 aluminum alloy castings: equivalent grades across ASTM, DIN, EN, and ISO standards, with notes on castability and mechanical properties.
SK85 Steel | Equivalent Materials & Metal Specifications
A reference guide to SK85 (SK5) high-carbon tool steel per JIS G4401: chemical composition, equivalent grades, and applications in cutting tools and molds.
SS330 Equivalent Materials & Metal Specifications
SS330 is a Japanese Industrial Standards (JIS G3101) structural steel grade offering a balanced combination of strength and ductility. This page covers its mechanical properties, chemical composition, and comparable international grades.
SS400 Equivalent Materials & Metal Specifications
SS400 structural steel has equivalents across ASTM, DIN, and GB specifications. Compare chemical composition, mechanical properties, and uses.
SS490 Equivalent Materials & Metal Specifications
SS490 is a JIS G3101 structural hot-rolled steel with superior tensile strength compared to SS400, suitable for thicknesses from 6 mm to 120 mm. This page covers equivalent grades, mechanical properties, and chemical composition.
SS540 Equivalent Materials & Metal Specifications
SS540 is a JIS G3101 structural hot-rolled steel offering superior tensile strength among the SS series, suitable for structural tubes, pipes, and automotive components. This page covers its equivalent grade, mechanical properties, and chemical composition.
ST37 Steel | Equivalent Materials & Metal Specifications
ST37-2 equivalents across DIN, ASTM, EN, JIS, and GB standards. Full specs, properties, and substitution guidance.
Zamak 3 Equivalent Materials & Metal Specifications
Zamak 3 is a zinc-based die-casting alloy combining aluminum, magnesium, and copper, offering excellent castability, long-term dimensional stability, and superior plating characteristics. This page covers its equivalents, chemical composition, and mechanical properties.
Zamak 5 Equivalent Materials & Metal Specifications
Zamak 5 is a zinc-based die-casting alloy with 96% zinc, 3% aluminum, and 1% copper, offering superior hardness and strength compared to Zamak 3. This page covers its equivalents, chemical composition, and mechanical properties.
17-4 Stainless Steel vs 304: A Side-by-Side Comparison
17-4 and 304 stainless steel are two of the most common grades in manufacturing, but they serve very different roles. 17-4 delivers superior strength and stress corrosion resistance; 304 offers easier machinability and lower cost for general-purpose use.
Aluminum 6061 vs 6063: Which Alloy Is Right for Your Application?
6061 and 6063 are both 6xxx-series aluminum alloys, but they serve different purposes. 6061 delivers higher strength for structural work, while 6063 offers a superior surface finish and corrosion resistance suited to architectural extrusions.
Aluminum vs Stainless Steel
Aluminum and stainless steel serve different engineering needs. Aluminum wins on weight and conductivity; stainless steel wins on tensile strength and performance in harsh chemical environments.
Aluminum vs Titanium
Aluminum and titanium are both prized for their strength-to-weight ratios, but they differ significantly in cost, machinability, thermal conductivity, and corrosion performance. Understanding these trade-offs guides material selection.
Can You Bend 6061 Aluminum?
6061 aluminum can be bent, but its precipitation-hardened T6 temper makes it prone to cracking if handled without the right techniques. Proper bend radii, annealing, and controlled heating are all essential for successful results.
Is 6061 Aluminum Weldable?
6061 aluminum is weldable, but the T6 temper introduces hot cracking risks that require the right filler metal, shielding gas, and post-weld heat treatment to manage. This guide covers the key variables for a successful weld.
Manufacturing Process of Aluminum
From bauxite mining to Hall-Heroult electrolysis, this article walks through every stage of aluminum production, including alloy formation, shaping techniques, and the recycling loop that keeps 75% of all aluminum ever produced in active use.
3003 Aluminum vs 6061 Aluminum
3003 and 6061 are two widely used aluminum alloys with complementary strengths. 6061 excels in structural applications requiring strength and machinability, while 3003 is preferred for forming and aesthetics.
A36 vs AR500 Steel
A36 and AR500 are two common steel grades with very different strengths. A36 is valued for workability and low cost; AR500 is engineered for extreme wear and abrasion resistance.
Iron vs Steel
Iron and steel are foundational industrial materials, each with distinct strengths and trade-offs. This article breaks down their compositions, manufacturing processes, and best-fit applications.
Properties of 7075 Aluminum
7075 aluminum is one of the highest-strength aluminum alloys available, combining a favorable strength-to-weight ratio with good corrosion resistance, making it a go-to material for aerospace and high-performance applications.
What Is Aerospace Aluminum?
Aerospace aluminum refers to high-performance aluminum alloys selected for their exceptional strength-to-weight ratio, corrosion resistance, and machinability in demanding aviation and space applications.
What Is Aluminum Anodizing?
Aluminum anodizing is an electrochemical process that forms a hard, protective oxide layer on aluminum surfaces, significantly improving corrosion resistance, durability, and aesthetic options.
3003 Aluminum Sheet | Equivalent Materials and Metal Specifications
3003 aluminum sheet is one of the most widely used alloys, offering roughly 20% greater strength than the 1100 series through manganese addition, with excellent corrosion resistance, formability, and weldability.
Q235 Steel Equivalent | Q235A Q235B Q235C Q235D
Q235 steel delivers 235 MPa yield strength in four grades (A, B, C, D). Compare properties and equivalents like A36, S235JR, and SS400.
ADC10 Aluminum (A380) | Equivalent Materials and Metal Specifications
ADC10, also known as A380, is one of the most widely specified aluminum die-casting alloys, offering excellent fluidity, tensile strength, and anti-soldering properties that extend tool and die life.
ADC12 Aluminum (A383) | Equivalent Materials and Metal Specifications
ADC12 is a widely used aluminum die-casting alloy, also known as A383, prized for its die-filling precision, dimensional stability, and cost efficiency across high-volume complex parts.
EN24 Steel (4340) | Equivalent Materials and Metal Specifications
EN24 is a high-strength nickel-chromium-molybdenum alloy steel, also known as 4340, supplied in a hardened and tempered condition for heavy-duty shafts, gears, and structural components.
Q345 Steel (GB/T 1591) | Equivalent Materials and Metal Specifications
Q345 is a low-alloy high-strength structural steel with a 345 MPa yield strength, widely used in bridges, ships, pressure vessels, and construction where weldability and toughness are required.
Q355 Steel | Equivalent Materials and Metal Specifications
Q355 steel delivers 355 MPa yield strength with equivalents in ASTM A572 Grade 50 and EN S355. Review composition, grades, and properties.