At BRK Metal, we always start with the functionality of the product. Once functionality is established, the product can be further developed. An important part of this is the choice of material. Good design is entirely dependent on the right material selection. Knowing the properties that steel must possess is important. For example, we can consider these properties:
- Mechanical properties (hardness, tensile strength, elongation, and elasticity)
- Thermal properties (heat resistance)
- Chemical properties (acid resistance and corrosion resistance)
The metallurgical engineers at BRK Metal will be pleased to help you select the most suitable alloy for your application. They will also assist you in choosing the right chemical composition, structure, hardness, tensile strength, or heat resistance.
Structural steels are a type of steel used in construction and engineering projects. These steels are designed for creating load-bearing structures and constructions. Structural steels are known for their durability, strength, and suitability for various industrial applications. Here is more information about structural steels and an example material table:
- Structural Purpose Steels: These types of steels are used to form the load-bearing elements of a building or structure. They are commonly referred to as construction steels and are produced in accordance with common standards like ASTM A36.
- Low Alloy Steels: These types of steels contain small amounts of alloying elements to enhance strength. For example, ASTM A572 is a standard for high-strength low-alloy structural steel.
- High Strength Steels: These types of steels are especially used in large structures and heavy construction projects. For instance, high-strength structural steels like ASTM A514 can be mentioned.
- Cold-Formed Steels: These steels are commonly used for structural elements and frames. They are particularly formed into profiled sheet materials by cold forming.
- Stainless Steels: Stainless steels are often preferred in structures used in special conditions such as industrial kitchens, chemical plants, and marine applications.
The most preferred structural steels:
|Material Type||Strength (MPa)||Yield Strength (MPa)||Elastic Modulus (GPa)||Density (kg/m³)|
|ASTM A36 (Structural Steel)||400-550||250||200||7850|
|ASTM A572 (Low Alloy Steel)||450-680||345||200||7850|
|ASTM A514 (High-Strength Steel)||690-760||620||210||7850|
|SS 304 (Stainless Steel)||515||205||193||7900|
Tool Steels are a special type of steel characterized by high hardness, toughness, and wear resistance. They are typically used for cutting tools, dies, and other tools for cutting, drilling, shaping, and other machining processes. Tool steels are known for their ability to withstand high temperatures and pressures and are used in various industrial applications.
Tool steels include many varieties with different properties and compositions and come in different classifications according to their intended use. These are customized for different applications such as cold work, hot work, plastic mold making, high-speed steels, etc.
The most preferred tool steels:
|Malzeme Türü||Karbon İçeriği||Sertlik (Rockwell C)||Tokluk||Aşınma Direnci||Yüksek Sıcaklık Tokluğu|
|D2 (Soğuk İşleme Takım Çeliği)||%1.40-1.60||58-62||Orta||Yüksek||Orta|
|H13 (Sıcak İşleme Takım Çeliği)||%0.32-0.45||48-52||Orta||Yüksek||Yüksek|
|P20 (Plastik Kalıp Çeliği)||%0.28-0.40||28-32||Yüksek||Orta||Orta|
|M2 (Yüksek Hızlı Çelik)||%0.80-0.90||63-68||Orta||Yüksek||Yüksek|
Stainless steels are a special type of steel known for their resistance to corrosion. They typically do not oxidize or rust even when in contact with water, humidity, acids, and other environmental factors. Due to these properties, stainless steels are ideal materials for many industries and applications. Stainless steels can include various types and grades, each with different chemical compositions, mechanical properties, and applications.
The fundamental properties of stainless steels include:
- Corrosion Resistance: Stainless steels remain durable even under conditions where most other metals corrode.
- High-Temperature Resistance: Some stainless steels retain their mechanical properties even at high temperatures, making them suitable for applications requiring temperature resistance.
- Aesthetic Appeal: Stainless steels offer a modern and stylish appearance, making them popular for construction, kitchen equipment, and decoration.
- Low Maintenance: Stainless steels require low maintenance due to their resistance to rust and ease of cleaning.
- Food Safety: Stainless steels are considered a safe material for food processing and kitchen equipment.
The most preferred stainless steels:
Yield Strength (MPa)
304 Stainless Steel
|Cr: 18-20%, Ni: 8-10%||515-690||205||HRB 85-96|
316 Stainless Steel
|Cr: 16-18%, Ni: 10-14%, Mo: 2-3%||515-690||205||HRB 85-95|
430 Stainless Steel
|Cr: 16-18%||450-600||205||HRB 76-89|
410 Stainless Steel
|Cr: 11.5-13.5%||450-600||205||HRB 89-96|
Heat Resistant Steels
Heat resistant steels are a special type of steel that exhibit durability in high temperature applications. These steels are commonly used in industrial furnaces, heating elements, power generation plants, the automotive sector, and other high-temperature applications due to their ability to maintain durability at high temperatures. Heat resistant steels are known for their ability to offer mechanical strength and oxidation resistance within a certain temperature range.
The fundamental properties of heat resistant steels include:
- High-Temperature Durability: These steels typically maintain their mechanical properties even at high temperatures.
- Oxidation Resistance: Heat resistant steels are resistant to oxidation at high temperatures and do not develop rust or corrosion on their surfaces.
- Thermal Expansion: The thermal expansion rates of these steels behave predictably even when exposed to high temperatures.
- High Strength: Heat resistant steels possess high strength under high temperature conditions.
- Ease of Use: Heat resistant steels are easy to process and shape, thereby meeting a variety of design and manufacturing needs.
The most preferred heat resistant steels:
Maximum Operating Temperature
Yield Strength (MPa)
Thermal Expansion Coefficient
|Inconel 600||Ni: 72%, Cr: 15.5%, Fe: 8%, Cu: 0.2%||1093 °C (2000 °F)||241||HRB 88||13.1 x 10^-6/°C|
310S Stainless Steel
|Cr: 25%, Ni: 20%||1150 °C (2102 °F)||205||HRB 95||15.9 x 10^-6/°C|
253MA Stainless Steel
|Cr: 21%, Ni: 11%||1150 °C (2102 °F)||230||HRB 85||15.3 x 10^-6/°C|
HK-40 Cast Steel
|Cr: 20%, Ni: 40%||980 °C (1800 °F)||160||HRB 75||15.7 x 10^-6/°C|
- AlSi10Mg (Aluminum Silicon Magnesium): This alloy offers excellent fluidity properties, low density, and good strength. It is also resistant to high temperatures and is commonly used in automotive parts and the aviation industry.
- AlSi9Cu3 (Aluminum Silicon Copper): This alloy is known for its high strength and good heat conductivity. It is typically used for parts of electrical motors, machinery, and devices.
- AlSi7Mg (Aluminum Silicon Magnesium): This alloy has good mechanical properties and high-temperature resistance. It is commonly used in the aerospace and defense industries.
- AlSi12 (Aluminum Silicon): This alloy offers good casting properties and excellent corrosion resistance. It finds wide application in the automotive industry.
- AlSi9Mg (Aluminum Silicon Magnesium): This alloy provides high strength, low weight, and good thermal conductivity. It is often used for electrical and electronic devices.
|Alaşım Adı||Kimyasal Bileşim||Yoğunluk (g/cm³)||Akma Mukavemeti (MPa)||Sertlik (Brinell)||Isıl İşlem||Kullanım Alanı|
|AlSi10Mg||Al: 89.7%, Si: 9.5%, Mg: 0.5%||2.68||240||75||T6||Otomotiv, Havacılık|
|AlSi9Cu3||Al: 88.6%, Si: 9.0%, Cu: 2.4%||2.70||260||80||T6||Elektrikli Motorlar, Makineler|
|AlSi7Mg||Al: 90.7%, Si: 6.8%, Mg: 2.5%||2.71||300||85||T6||Havacılık, Savunma|
|AlSi12||Al: 88.7%, Si: 11.3%||2.68||220||70||T6||Otomotiv|
|AlSi9Mg||Al: 90.7%, Si: 8.7%, Mg: 0.6%||2.68||260||75||T6||Elektrik ve Elektronik Cihazlar|
- Good Castability: Bronze alloys exhibit excellent castability in precision casting processes and can successfully capture fine details.
- High Strength: Bronze alloys are known for their high-strength properties, providing sufficient durability for various applications.
- Corrosion Resistance: Bronze is resistant to corrosion and does not oxidize when exposed to water, moisture, and other environmental factors.
- Excellent Surface Quality: Bronze investment casting parts have a smooth and aesthetically pleasing surface, making them widely used in decorative and precision applications.
- Aesthetic Appeal: Bronze alloys offer a stylish and aesthetic appearance, making them a preferred choice in areas such as decoration, art, and jewelry.
|Alloy Type||Chemical Composition||Density (g/cm³)||Yield Strength (MPa)||Hardness (Brinell)||Corrosion Resistance||Applications|
Cu: 85.0%, Pb: 5.0%, Sn: 5.0%
Machine Parts, Door Handles
Cu: 86.0%, Al: 9.0%, Fe: 3.5%
Bearings, Mechanical Parts
Cu: 89.0%, Sn: 8.0%, Pb: 2.0%
Valve Parts, Maritime Applications
Cu: 83.0%, Pb: 7.0%, Sn: 7.0%
Bearing Rings, Machine Parts
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Why BRK Metal?
BRK Metal, conducting 60% of its production abroad, is an approved supplier for many well-known companies in Europe. With its young and talented team, BRK Metal, focusing on customer needs, has proven to be a reliable supplier by producing at affordable costs without compromising on quality, ensuring timely and seamless deliveries to its customers.
By adhering to the ISO 9001:2015 production principle, it has gained the satisfaction of many customers and has attracted more attention than companies unfamiliar with and not using the casting (investment casting) method, thanks to its investments in technological infrastructure.