David Lee

ZG06Cr13Ni5Mo High Strength Martensitic Stainless Steel

ZG06Cr13Ni5Mo High Strength Martensitic Stainless Steel Castings International Equivalent Grades:Chinese Standard: ZG06Cr13Ni5Mo, 04Cr13Ni5Mo (New Grade), 0Cr13Ni5Mo (Old Grade), S41595 (Digital Grade)American Standard: ASTM S41500, UNS F6NMJapanese Standard: JIS SUS F6NM, JIS SCS6German Standard: DIN 1.4313European Standard: EN X3CrNiMo13-4 Abstract ZG06Cr13Ni5Mo is a super low carbon martensitic stainless steel casting material with excellent comprehensive properties. Through precise composition design and […]

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Induction Hardening

Induction Hardening from Leesh Professional Services

Leesh Holdings Co., Ltd. (Leesh), a leading engineering and manufacturing company based in Shenyang, China’s Heavy Industry Center, offers premium Induction Hardening services to global clients. As a multifaceted enterprise, Leesh specializes in various engineering and manufacturing solutions, with Induction Hardening being one of their core capabilities in the field of heat treatment. What is

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The Difference Between Surface Roughness and Surface Finish

Understanding the Difference Between Surface Roughness and Surface Finish In the field of mechanical engineering and manufacturing, understanding surface characteristics is crucial for ensuring product performance, functionality, and longevity. Two terms that are often used interchangeably but have distinct meanings are surface roughness and surface finish. Let’s explore the differences between these two important concepts. What

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Duplex Stainless Steel pump

Duplex Stainless Steel Casting Material

ASTM A890/A890M Standard Specification for Corrosion-Resistant Iron-Chromium-Nickel-Molybdenum Duplex Stainless Steel (Austenitic/Ferritic) Steel Castings for General Applications   Table 1. Heat Treatment Requirements Grade Heat Treatment 1A, 1B, 1C Heat to a minimum temperature of 1900°F (1040°C), hold for sufficient time to uniformly heat the casting to the specified temperature, quench in water, or otherwise rapidly

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Common Defects in Castings Investment Casting & Sand Casting

Common Defects in Castings During many years’ practical experience, the Leesh engineer team has made notes on common casting defects, helping people understand them better and try to avoid them. Casting defects cannot disappear completely, but you can control them by using better casting methods and strict process control. If you have any issue during

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DIN 50150 hardness Conversion Sheet

DIN 50150 :Vickers hardness, Brinell hardness and Rockwell hardness Conversion Sheet

DIN 50150 :Vickers hardness, Brinell hardness and Rockwell hardness Conversion Sheet Noted: This sheet only for your reference, please don’t take this as your production, inspection or any other serious purpose. Tensile Strength Rm N/mm2 Vickers hardness HV Brinell hardness HB Rockwell hardness HRC 250 80 76.0 – 270 85 80.7 – 285 90 85.2 –

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