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16MnCr5 Steel (DIN 1.7131 – ASTM / SAE / AISI 5115)
On this page, you can find all the technical details of 16MnCr5 (DIN 1.7131 – SAE/AISI 5115) steel, one of the most commonly preferred case-hardening steels — from its designation structure and equivalents to its mechanical and chemical properties, as well as its areas of use. You can also access price information offered with Hasçelik quality.
16MnCr5 steel is a low-carbon alloy steel specifically developed for case-hardening applications, with its alloyed structure containing manganese (Mn) and chromium (Cr). It provides toughness and ductility in the core, while allowing high surface hardness through case-hardening treatment. Thanks to this dual characteristic, it offers effective solutions in the production of parts requiring both impact absorption and wear resistance.
16MnCr5 is an ideal choice, especially for mechanical parts exposed to complex loading. It is defined in accordance with the DIN EN 10084 standard and is widely used across various industries from automotive to machinery manufacturing. At Hasçelik, we offer this grade through modern metallurgical techniques and a process-controlled production infrastructure, providing our customers with a reliable and sustainable material alternative.
Each character in the name of the 16MnCr5 steel grade provides key information about its composition and intended use. This naming follows the European standards EN 10020 and EN 10027-1:
• 16: Indicates approximately 0.16% carbon (C) content, signifying its suitability for case-hardening due to its low-carbon structure.
• Mn: Manganese (Mn) element, which enhances strength and toughness — typically around 1.0%.
• Cr: Chromium (Cr) element, which improves hardness and wear resistance, and helps achieve a hard surface with a ductile core.
• 5: Implies the chromium content is approximately 1.0% (expressed with a multiplier).
This coding indicates that 16MnCr5 is a low-carbon, manganese- and chromium-alloyed steel suitable for case-hardening processes.
16MnCr5 steel is known under different names according to the standards of various countries. Defined as 16MnCr5 – 1.7131 under the DIN / EN standard, it corresponds to 5115 grade steel in AISI / SAE / ASTM standards. In the French AFNOR standard, it's named 16MC5; in the British BS standard, it is 527M17 or 590M17. The Italian UNI and Spanish UNE standards also use the name 16MnCr5. These equivalents enhance its global recognizability and make it easier to source materials with the same technical properties across countries.
• DIN / EN: 16MnCr5 – 1.7131
• AISI / SAE / ASTM: 5115
• AFNOR (France): 16MC5
• BS (UK): 527M17 / 590M17
• UNI (Italy): 16MnCr5
• UNE (Spain): 16MnCr5
16MnCr5 is a low-carbon alloy case-hardening steel, preferred in applications that require surface hardness with core toughness. Before case-hardening, it is in a soft and easily machinable state. After heat treatment, surface hardness typically reaches 58–62 HRC. Its tensile strength after case-hardening can range between 800–1100 N/mm², with high toughness and impact resistance. These features make it reliable for parts that demand both high wear resistance and impact strength.
Thanks to its low carbon content, 16MnCr5 is highly suitable for case-hardening. The manganese increases machinability and toughness, while chromium supports hardness and wear resistance. These elements ensure that the steel is suitable for surface hardening treatments while maintaining sufficient core ductility. Its balanced composition makes 16MnCr5 a preferred grade in precision-driven industries like automotive and machine manufacturing.
Chemical Composition (approximate values):
• Carbon (C): 0.14 – 0.19%
• Manganese (Mn): 1.00 – 1.30%
• Chromium (Cr): 0.80 – 1.10%
• Silicon (Si): ≤ 0.40%
• Phosphorus (P): ≤ 0.025%
• Sulfur (S): ≤ 0.035%
16MnCr5 steel is safely preferred in engineering applications where surface hardness and core toughness/ductility must be combined. Especially after case-hardening, the high surface hardness provides a significant advantage in components subject to wear. Therefore, not only technical suitability but also long service life, durability, and safety must be considered for parts made from this steel.
In industries like machine manufacturing, automotive, and moving mechanical systems, the right material selection is crucial for reducing costs, minimizing maintenance, and boosting performance. At this point, 16MnCr5 offers a well-balanced material solution that meets both engineering expectations and industrial efficiency goals.
Besides the application itself, the operating conditions and the heat treatment process applied to the steel are also critically important. While this grade is especially suitable for case-hardening, it may not always be sufficient on its own for every application. For components operating at high speeds, under impact, or continuous friction, determining the correct heat treatment parameters and selecting the right material to meet technical demands are essential for both safety and long service life. Therefore, when planning to use 16MnCr5, it’s important to consider not only where it will be used, but also how it will function.
With the right analysis, proper heat treatment, and technical knowledge, selecting the appropriate material ensures a long-term return on investment.
At Hasçelik, our 16MnCr5 steel production is carried out using our advanced steelmaking infrastructure and process control systems that fully comply with international standards. During the production process, vacuum degassing (VD) is applied to minimize the amount of dissolved gas in the steel, ensuring a homogeneous and high-quality structure.
In addition, our finishing operations involve rigorous inspections for cracks, surface, and internal defects, guaranteeing both mechanical performance and microstructural reliability.
Thanks to these meticulous production and quality control processes, Hasçelik 16MnCr5 products offer high wear resistance, excellent durability, and long service life — delivering reliable solutions that meet the needs of the industry.
Our 16MnCr5 steel prices vary depending on factors such as requested diameter, product length, required tonnage, and any special processing per customer specifications. To receive the most accurate quote, simply share your product requirements with us.
You can quickly get in touch with our sales team by sending an email to info@hascelik.com, and receive your personalized offer in the shortest time possible.
Products
16MnCr5 Steel (DIN 1.7131 – ASTM / SAE / AISI 5115)
On this page, you can find all the technical details of 16MnCr5 (DIN 1.7131 – SAE/AISI 5115) steel, one of the most commonly preferred case-hardening steels — from its designation structure and equivalents to its mechanical and chemical properties, as well as its areas of use. You can also access price information offered with Hasçelik quality.
16MnCr5 steel is a low-carbon alloy steel specifically developed for case-hardening applications, with its alloyed structure containing manganese (Mn) and chromium (Cr). It provides toughness and ductility in the core, while allowing high surface hardness through case-hardening treatment. Thanks to this dual characteristic, it offers effective solutions in the production of parts requiring both impact absorption and wear resistance.
16MnCr5 is an ideal choice, especially for mechanical parts exposed to complex loading. It is defined in accordance with the DIN EN 10084 standard and is widely used across various industries from automotive to machinery manufacturing. At Hasçelik, we offer this grade through modern metallurgical techniques and a process-controlled production infrastructure, providing our customers with a reliable and sustainable material alternative.
Each character in the name of the 16MnCr5 steel grade provides key information about its composition and intended use. This naming follows the European standards EN 10020 and EN 10027-1:
• 16: Indicates approximately 0.16% carbon (C) content, signifying its suitability for case-hardening due to its low-carbon structure.
• Mn: Manganese (Mn) element, which enhances strength and toughness — typically around 1.0%.
• Cr: Chromium (Cr) element, which improves hardness and wear resistance, and helps achieve a hard surface with a ductile core.
• 5: Implies the chromium content is approximately 1.0% (expressed with a multiplier).
This coding indicates that 16MnCr5 is a low-carbon, manganese- and chromium-alloyed steel suitable for case-hardening processes.
16MnCr5 steel is known under different names according to the standards of various countries. Defined as 16MnCr5 – 1.7131 under the DIN / EN standard, it corresponds to 5115 grade steel in AISI / SAE / ASTM standards. In the French AFNOR standard, it's named 16MC5; in the British BS standard, it is 527M17 or 590M17. The Italian UNI and Spanish UNE standards also use the name 16MnCr5. These equivalents enhance its global recognizability and make it easier to source materials with the same technical properties across countries.
• DIN / EN: 16MnCr5 – 1.7131
• AISI / SAE / ASTM: 5115
• AFNOR (France): 16MC5
• BS (UK): 527M17 / 590M17
• UNI (Italy): 16MnCr5
• UNE (Spain): 16MnCr5
16MnCr5 is a low-carbon alloy case-hardening steel, preferred in applications that require surface hardness with core toughness. Before case-hardening, it is in a soft and easily machinable state. After heat treatment, surface hardness typically reaches 58–62 HRC. Its tensile strength after case-hardening can range between 800–1100 N/mm², with high toughness and impact resistance. These features make it reliable for parts that demand both high wear resistance and impact strength.
Thanks to its low carbon content, 16MnCr5 is highly suitable for case-hardening. The manganese increases machinability and toughness, while chromium supports hardness and wear resistance. These elements ensure that the steel is suitable for surface hardening treatments while maintaining sufficient core ductility. Its balanced composition makes 16MnCr5 a preferred grade in precision-driven industries like automotive and machine manufacturing.
Chemical Composition (approximate values):
• Carbon (C): 0.14 – 0.19%
• Manganese (Mn): 1.00 – 1.30%
• Chromium (Cr): 0.80 – 1.10%
• Silicon (Si): ≤ 0.40%
• Phosphorus (P): ≤ 0.025%
• Sulfur (S): ≤ 0.035%
16MnCr5 steel is safely preferred in engineering applications where surface hardness and core toughness/ductility must be combined. Especially after case-hardening, the high surface hardness provides a significant advantage in components subject to wear. Therefore, not only technical suitability but also long service life, durability, and safety must be considered for parts made from this steel.
In industries like machine manufacturing, automotive, and moving mechanical systems, the right material selection is crucial for reducing costs, minimizing maintenance, and boosting performance. At this point, 16MnCr5 offers a well-balanced material solution that meets both engineering expectations and industrial efficiency goals.
Besides the application itself, the operating conditions and the heat treatment process applied to the steel are also critically important. While this grade is especially suitable for case-hardening, it may not always be sufficient on its own for every application. For components operating at high speeds, under impact, or continuous friction, determining the correct heat treatment parameters and selecting the right material to meet technical demands are essential for both safety and long service life. Therefore, when planning to use 16MnCr5, it’s important to consider not only where it will be used, but also how it will function.
With the right analysis, proper heat treatment, and technical knowledge, selecting the appropriate material ensures a long-term return on investment.
At Hasçelik, our 16MnCr5 steel production is carried out using our advanced steelmaking infrastructure and process control systems that fully comply with international standards. During the production process, vacuum degassing (VD) is applied to minimize the amount of dissolved gas in the steel, ensuring a homogeneous and high-quality structure.
In addition, our finishing operations involve rigorous inspections for cracks, surface, and internal defects, guaranteeing both mechanical performance and microstructural reliability.
Thanks to these meticulous production and quality control processes, Hasçelik 16MnCr5 products offer high wear resistance, excellent durability, and long service life — delivering reliable solutions that meet the needs of the industry.
Our 16MnCr5 steel prices vary depending on factors such as requested diameter, product length, required tonnage, and any special processing per customer specifications. To receive the most accurate quote, simply share your product requirements with us.
You can quickly get in touch with our sales team by sending an email to info@hascelik.com, and receive your personalized offer in the shortest time possible.
