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DIN 16MnCr5 1.7131 / ASTM 5115 Case Hardening Alloy Steel

16MnCr5 / 1.7131 is an alloyed carburizing steel belonging to the European standards EN 10084 and ISO683-11. It is used in the manufacture of components such as gears, worm gears, sealing bushings, plastic molds, turbine oil seals and gasoline bushings. You can find the corresponding products in different national standards, such as American Standard ASTM 5115 (ASTM A29/A29M) and Chinese Standard 16CrMnH/20CrMnTi (GB/T 3077).

16MnCr5 is part of the Mn-Cr steel series, with a carbon content ranging from 0.14-0.19%. This steel is highly regarded for its excellent hardenability and ability to achieve a uniform hardness profile after carburizing and heat treatment. It offers a combination of good machinability, high surface hardness, and sufficient core strength, making it suitable for parts exposed to dynamic loads and wear.
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Product Features


The superior performance of DIN 16MnCr5 1.7131 / ASTM 5115 stems from its carefully engineered composition, mechanical properties, and manufacturing flexibility. Below is a detailed breakdown of its key features:


Chemical Composition

The alloy’s chemical makeup is optimized to deliver balanced hardenability and toughness. Key elements and their ranges (by weight) are as follows:


Stock diameter for hot rolled bar


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Since the stocks change everyday, if you want to know our stock available information, please contact our salesman.


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