31CrMoV9 is a heat-resistant steel that can be used for boiler applications. This steel grade is specified in the European standard DIN 17200, EN 10250-3, EN 10085. for high-strength and heat-resistant steels.
1 5714, 16NiCr4, 637M17 EN 10084: 2008 Case hardening carburizing steel application on parts requiring high core strength, structures subject to abrasion and variable loads, typically used for small parts such as heavy-duty sprockets, screws, pins, shafts