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DY Piston Ring Material Introduction
Description
Dongya purchases a series of steel ring materials from well-known international companies, which can meet the design requirements of various structures and surface treatment piston ring. At the same time, in accordance with the ISO-6621-3:2000 standard, according to customer needs and engine performance, we independently develop various cast iron ring materials.
Piston rings are crucial components in internal combustion engines, responsible for sealing the combustion chamber, maintaining compression, and regulating oil consumption. Choosing the right material for piston rings is essential for optimal engine performance and longevity. Here's an introduction to some common piston ring materials:
Alloy Steel: Alloy steel piston rings are made by combining steel with other elements like chromium, molybdenum, or nickel to enhance specific properties such as wear resistance, hardness, and heat resistance.
Stainless Steel: Stainless steel piston rings offer excellent corrosion resistance and are commonly used in applications where exposure to corrosive environments is a concern, such as marine engines.
Ceramic: Ceramic piston rings are made from materials like silicon nitride or silicon carbide. They offer superior wear resistance and thermal stability, making them ideal for high-performance and racing engines.
Coated Rings: Regardless of the base material, piston rings are often coated with materials like chromium, molybdenum, or nitride to further enhance their properties, such as reducing friction, improving wear resistance, and aiding in lubrication retention.
When selecting piston ring materials, factors such as engine type, operating conditions, performance requirements, and cost must be considered to ensure optimal performance and durability. Additionally, advancements in material science continue to drive the development of new piston ring materials with improved properties and performance characteristics.
●Steel piston ring materials | |||||||
Dongya marks | tensile strength (Mpa) | Hardness(HV) | ISO Material category | ||||
Austenitic stainless steel DS40 | ≥520 | 200~350 | MC67 | ||||
Martensitic stainless steel DS41 | ≥1079 | 400~450 | MC66 | ||||
Martensitic stainless steel DS42 | ≥1079 | 360~400 | MC66 | ||||
Martensitic stainless steel DS44 | ≥1275 | 410~460 | MC65 | ||||
Martensitic stainless steel DS45 | ≥1139 | 370~420 | MC65 | ||||
Carbon steel DS50 | ≥1600 | 510~580 | MC68 | ||||
Spring steel DS52 | ≥1570 | 460~580 | MC64 | ||||
Spring steel DS53 | ≥1450 | 500~550 | MC64 | ||||
Spring steel DS53 | ≥1600 | 400~460 | MC68 |
●Cast iron piston ring materials | ||||
Dongya marks | Elastic Modulus | Flexural Strength(Mpa) | Hardness (HV30) | ISO Material category |
High alloy cast iron DH31 | 100000~130000 | ≥500 | 320~440 | MC24 |
Alloy cast iron DH33 | 95000~125000 | ≥450 | 240~330 | MC13 |
Carbon cast iron DH34 | 130000~160000 | ≥650 | 365~450 | MC32 |
Carbon cast iron DH34A | 115000~150000 | ≥800 | 400~510 | MC25 |
Carbon cast iron DH34B | 115000~150000 | ≥650 | 365~470 | MC25 |
High alloy cast iron DH36 | 100000~130000 | ≥500 | 390~500 | MC23 |
Alloy cast iron DH37 | 100000~130000 | ≥500 | 290~410 | MC22 |
Ductile Iron DQ20 | 145000~175000 | ≥1300 | 290~420 | MC53 |
Powered by strong technical development and continuous innovation ability, DY PISTON RING ranks among the leading brands.
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