Premium listings

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  Ningbo Inspection Service Quality Control Of Textile Electronics Blender Kettle

  Business - Agent - Eagle Eyes China Inspection Company - China - April 22, 2024 - 198.00 Dollar US$

  Common Products Inspected in our Ningbo Inspection Service and Ningbo Quality Control Service: Textile, machinery, metallurgy, electronics, building materials, TV bracket, Flashlight, lamp, Blender, kettle, heaters, Hair dryer, Bike racks, Fireplace,...

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  Shantou Quality Control Inspection Check Of Drone Toys In Guangdong Province

  Services - Consulting - Eagle Eyes China Inspection Company - China - April 22, 2024 - 198.00 Dollar US$

  Common Products Inspected in our Shantou Inspection Service and Shantou Quality Control Service: food candy, garment, headphone, speaker, toys, pajamas, Bra, plastic products, medicine, machinery, printing package, electronic information devices, aud...

optimization heat treatment gost performance regulation Photos Catalog - page 9 - WorldBid B2B Market

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  Chromium Molybdenum Alloy Material Gb 42crmo4 Steel Heat Treatment Process

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 8, 2025 - 101.00 Dollar US$

  GB 42CrMo4 steel is a common chromium-molybdenum steel, which is usually used after quenching and tempering treatment, and has high strength and high hardenability. GB 42CrMo4 steel has better performance than 34CrMo4 steel due to its high carbon and...

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  Superior Alloy Materials Scm440h Steel The Essence Of Heat Treatment Technology

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 8, 2025 - 107.00 Dollar US$

  The essence of heat treatment process The performance of SCM440H steel depends on precise heat treatment control. The preparatory heat treatment adopts normalizing process, heating to 850-880℃ and then air cooling to obtain uniform fine pearlite stru...

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  Alloy Material Gb Ml30crmo Steel Heat Treatment Specification

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 30, 2025 - 200.00 Dollar US$

  GB ML30CrMo steel is an alloy steel widely used in mechanical manufacturing and engineering fields, and its heat treatment specifications are crucial to ensure material properties. Heat treatment specifications: quenching 880℃, water or oil cooling; ...

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  High Hardness Ml30crmo Alloy Steel Small Heat Treatment Deformation

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 30, 2025 - 202.00 Dollar US$

  ML30CrMo is an alloy structural steel with high hardness and good comprehensive performance. ML30CrMo alloy steel hardness - **Annealing**: Hardness ≤229 HBW, indentation diameter ≥4.0mm - **Quenching and tempering**: Hardness range is between HRC 32...

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  Fine Tuning 4130 Steel Plate Heat Treatment Key Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 30, 2025 - 207.00 Dollar US$

  The heat treatment process of 4130 steel plate is crucial to its performance. Common heat treatment processes include: Annealing: Heat the material to a certain temperature (generally 650℃~700℃), keep it for a period of time and then slowly cool it t...

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  Quality Assurance 4340 Alloy Steel Wide Range Of Heat Treatment Adaptability

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 14, 2025 - 500.00 Dollar US$

  With the golden ratio of nickel-chromium-molybdenu m, 4340 alloy steel has a tensile strength of over 1200MPa after quenching, while maintaining excellent toughness, making it the preferred material for extreme parts such as aircraft landing gear and...

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  Songshun Supplies 4340 Alloy Structural Steel Heat Treatment Precautions

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - - July 15, 2025 - 601.00 Dollar US$

  Heat treatment precautions for 4340 alloy structural steel When heat treating 4340 alloy structural steel, the following points should be noted: 1. Temperature control: Ensure accurate temperature control during quenching and tempering to avoid uneve...

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  High Hardenability Jis Sncm439 Steel Heat Treatment Supply

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 16, 2025 - 702.00 Dollar US$

  Hardenability performance: JIS SNCM439 steel has a slightly higher hardenability than 40Cr, and the critical quenching diameter in oil can reach 18-33mm. This means that during oil quenching, JIS SNCM439 steel can obtain a deeper hardened layer for l...




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  Uns G43400 Steel The Influence Of Alloying Elements On Heat Treatment

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 20, 2025 - 703.00 Dollar US$

  Effect of alloying elements on heat treatment of UNS G43400 steel 1. Effect on austenitization - Most alloying elements (except nickel and cobalt) slow down the austenitization process. Therefore, UNS G43400 steel requires higher heating temperature ...

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  Isc A20302 Plate Heat Treatment Hardness And Wear Resistance

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 6, 2025 - 302.00 Dollar US$

  ISC A20302 Plate is a Japanese Industrial Standard (JIS) steel plate material and is a carbon structural steel. The following information describes the heat treatment hardness and wear resistance of this material: ## Heat Treatment Hardness 1. Anneal...

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  Hardness Of Scr440h Steel After Heat Treatment

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 27, 2025 - 404.00 Dollar US$

  After heat treatment, SCr440H steel typically achieves a hardness between HRC 28 and HRC 36. The specific hardness depends on heat treatment parameters, such as quenching temperature, tempering temperature, and holding time. With proper heat treatmen...

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  Optimized Heat Treatment Process For Aisi 5140 Steel Pipes Advantages

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 28, 2025 - 447.00 Dollar US$

  AISI 5140 steel pipes are a medium-carbon alloy structural steel with high strength, good toughness, and wear resistance. They are widely used in the manufacture of mechanical components subject to moderate loads and speeds. Advantages High Strength ...

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  Supply Gb 50crva Alloy Material Heat Treatment Process Specification

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - October 20, 2025 - 606.00 Dollar US$

  The heat treatment process for GB 50CrVA alloy material significantly impacts its performance. Its heat treatment specifications include two processes: quenching and tempering. The quenching temperature is controlled between 850°C ± 20°C, using oil c...

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  Metallographic Structure Of Gb 50crva Steels After Heat Treatment

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - October 20, 2025 - 607.00 Dollar US$

  GB 50CrVA steels, a high-performance alloy steel, are widely used in the manufacture of various high-load springs. Its unique chemical composition and heat treatment process impart excellent mechanical and process properties, making it a preferred ma...

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  Small Heat Treatment Deformation G61500 Spring Steel Quenching Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - October 20, 2025 - 617.00 Dollar US$

  The heat treatment process for G61500 spring steel has a crucial impact on its performance. Quenching is generally performed at a temperature of 850°C ± 20°C, using oil cooling. Quenching at this temperature allows the austenite in the steel to fully...

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  High Quality 735a50 Steel Heat Treatment Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - November 3, 2025 - 518.00 Dollar US$

  Heat treatment is crucial for maximizing the performance of 735A50 steel and requires process adjustments based on the application: Annealing: Slow cooling at 720–750℃, achieving a hardness ≤220 HBW and optimizing the machinability of 735A50 steel. Q...




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  Standard Cns Sncm220 Steel Heat Treatment Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - November 3, 2025 - 406.00 Dollar US$

  CNS SNCM220 steel contains various alloying elements such as carbon, chromium, nickel, and molybdenum in its chemical composition. After carburizing heat treatment, this material forms a high-hardness, wear-resistant layer on the surface (tensile str...

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  Raymond Mill Raymond Mill Cost Performance Raymond Mill Parameter

  Heavy Equipment - Mining - SHANGHAI GOLDEN MACHINERY CO.,LTD - China - August 16, 2012 - contact company for price

  Raymond Mill First the materials are crushed by the jaw crusher, then the crushed materials are transferred to a hopper by the elevator , fed uniformly.quantltatively and continously by the vibration feeder to the grinding chamber of the main frame f...

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  Ball Mill Ball Mill Cost Performance Ball Mill Parameter

  Heavy Equipment - Mining - SHANGHAI GOLDEN MACHINERY CO.,LTD - China - August 19, 2012 - contact company for price

  Overview of ball mill: The ball mill has a horlzontal type and tubular running device, and two warehouse. This machine is gril type and its outside runs along gear, the material enters spirally and evenly the first warehouse of the milling along the ...

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  High Pressure Grinding Mill High Pressure Grinding Mill Cost Performance High Pressure Grinding Mi

  Heavy Equipment - Mining - SHANGHAI GOLDEN MACHINERY CO.,LTD - China - August 20, 2012 - contact company for price

  High Pressure Grinding Mill First the materials are crushed by the jaw crusher, then the crushed materials are transferred to a hopper by the elevator , fed uniformly.quantltatively and continously by the vibration feeder to the grinding chamber of t...