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...

protect water treatment stainless steel resin traps Photos Catalog - page 22 - WorldBid B2B Market

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  Astm 4140 Grade Steel Heat Treatment Specification And Metallographic Structure

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 19, 2025 - 156.00 Dollar US$

  Heat treatment specifications and metallographic structure The heat treatment specifications of ASTM 4140 grade steel include normalizing, annealing or high temperature tempering, etc. The metallographic structure after heat treatment is tempered tro...

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  Refining Production Bs 708m40 Steel Carburizing Treatment Improves Performance

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 19, 2025 - 153.00 Dollar US$

  BS 708M40 steel is a medium carbon alloy structural steel, similar to AISI 4140 or 42CrMo4 steel. It has good comprehensive properties, including high strength, toughness and hardenability. Through carburizing treatment, its surface hardness and wear...

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  En Din 42crmo4 Steel Different Heat Treatment Conditions

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 19, 2025 - 169.00 Dollar US$

  Hardness under different heat treatment conditions The following is the hardness range of EN DIN 42CrMo4 steel under several common heat treatment conditions: Annealed state Hardness range: 179 - 229 HB (Brinell hardness) Features: Annealed EN DIN 42...

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  Offer Uns G41400 Steel Surface Treatment Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 19, 2025 - 160.00 Dollar US$

  UNS G41400 steel surface treatment process 1. Heat treatment strengthening - **Quenching & Tempering** - Process: oil quenching/water quenching + high temperature tempering (400–650°C) - Effect: Improve hardness (HRC 28–55) and tensile strength (...

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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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  Excellent Direct Sales Scm440 Alloy Steel Casting Post Treatment

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 8, 2025 - 106.00 Dollar US$

  Post-casting treatment Annealing treatment: Eliminate the casting stress of SCM440 alloy steel and improve the cutting performance. The process is: keep warm at 840-860℃ and then cool with the furnace to below 500℃ and air cool. Quenching and temperi...

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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. - China - 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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  Mature Production Cns Sncm439 Steel Tempering Treatment

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 16, 2025 - 701.00 Dollar US$

  CNS SNCM439 steel is an alloy structural steel specified by the Taiwan Standard (CNS), corresponding to 43CrNiMo4 (DIN) or AISI 4340 steel in the international standard. It is a high-strength alloy structural steel and is often used to manufacture pa...

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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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  Astm 5120 Steel Small Heat Treatment Deformation

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 21, 2025 - 692.00 Dollar US$

  ASTM 5120 steel is an alloy steel with good mechanical properties and wear resistance. Although some deformation may occur during heat treatment, it can be minimized through proper process and control. Here are some suggestions to reduce the deformat...




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  Excellent Performance Scr430 Steel Surface Quenching Treatment

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 7, 2025 - 432.00 Dollar US$

  SCr430 steel is an alloy steel commonly used in the manufacture of high-strength parts. Surface hardening is a crucial process for enhancing its properties. Surface hardening involves heating the steel surface to a high temperature and then rapidly c...

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  Technical Support Din 28cr4 Steel Carbonitriding Surface Treatment Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 18, 2025 - 509.00 Dollar US$

  In addition to quenching and tempering, DIN 28Cr4 steel can also undergo surface treatments such as carburizing and nitriding to improve its surface hardness and wear resistance. Carburizing involves the infiltration of carbon into the steel's surfac...

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  Heat Treatment Optimization Scr430 Steel Sheet Application Areas

  Metal Manufacturing - Dongguan Songshun Mould Steel Co., Ltd. - China - August 18, 2025 - 522.00 Dollar US$

  SCr430 steel sheet is a low-alloy structural steel sheet. Characteristics - Excellent Wear Resistance: The addition of chromium enhances the steel's hardenability and wear resistance, making it outstanding in abrasive environments and suitable for ma...

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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...