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...

40cr quenching tempering precautions Photos Catalog - WorldBid B2B Market

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  Offer 40cr Materials Quenching And Tempering Precautions

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 6, 2025 - 710.00 Dollar US$

  Precautions in quenching and tempering of 40Cr materials Heating rate control: During the quenching and heating process, the heating rate should be controlled to avoid excessive temperature differences between the surface and the core of the workpiec...

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  Reliable Guarantee 40cr Steel Pipes Quenching And Tempering Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - February 25, 2025 - 789.00 Dollar US$

  40cr steel pipes quenching purpose: to achieve high hardness and strength. process:heat the steel plate to 830-850°c. hold for 30-60 minutes. quench in oil or water (oil quenching is preferred to reduce cracking risk). 40cr steel pipes tempering purp...

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  Stable Supply Of 40cr Alloy Steel Quenching And Tempering Process

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 6, 2025 - 901.00 Dollar US$

  After quenching and tempering, 40Cr alloy steel has good comprehensive mechanical properties, good low-temperature impact toughness and low notch sensitivity. In addition to quenching and tempering, it is also suitable for cyaniding and high-frequenc...

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  Cns Scr440 Material Quenching Process Precautions

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 21, 2025 - 406.00 Dollar US$

  Process Precautions Preventing Oxidative Decarburization: During heating, CNS SCr440 material can be protected with coatings, boxed (filled with cast iron chips), or flushed with nitrogen to prevent surface hardness loss. Controlling Deformation and ...

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  Standard National Material Gb 40cr Steel Round Bar Quenching Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 21, 2025 - 400.00 Dollar US$

  GB 40Cr steel round bar is an alloy structural steel with excellent hardenability, strength, and toughness. It is widely used in the manufacture of parts subject to moderate loads and impact (such as shafts and gears). The quenching process for round...

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  En10083 3 51crv4 1 8159 Quenching And Tempering Alloy Steel Plates

  Steel - Hot Rolled - BBN Steel Group - China - December 1, 2019 - contact company for price

  EN10083-3 51CrV4 (1.8159) quenching and tempering alloy steel plates have good mechanical properties and process properties as well as high hardenability. The adding of vanadium can refine grain of 51CrV4 spring steel, reduce thermal sensitivity, imp...

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  Heat Treatment 1 2311 Steel Annealing Quenching Tempering

  Plastic - Raw Materials - Dongguan Songshun Mould Steel Co., Ltd. - China - November 6, 2023 - contact company for price

  heat treatment 1.2311 steel 1. soft annealing specifications annealing temperature is 710~740℃, slow cooling in the furnace, hardness ≤235hb. 2.quenching and tempering specifications quenching temperature is 840~870℃, oil cooling or 180~220℃ salt bat...

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  Annealing Quenching Tempering Aisi M4 Steel Production Specifications

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - March 24, 2024 - 1008.00 Dollar US$

  m4 high speed steel heat treatment (1) thermal processing specifications the starting temperature is 1040~1150℃ and the ending temperature is 930℃. (2) annealing specifications usually, the annealing temperature of m4 high-speed steel is controlled a...




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  Quenching Tempering Aisi T4 Steel Warehouse Supply

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - April 7, 2024 - 903.00 Dollar US$

  t4 high speed steel heat treatment 1.quenching fir st, t4 high speed steel is preheated, usually at a temperature of 800-870°c, and then heated to the critical quenching temperature, at a temperature of 1220-1250°c (quenching furnace), 1270-1290°c (s...

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  Quenching And Tempering Gb 34crnimo Steel Superior Materials

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 1, 2024 - 882.00 Dollar US$

  after quenching and tempering treatment, gb 34crnimo steel material, the hardness is 36-40hrc, the tensile strength σ b is 1100 mpa, the elongation δ is 12%, the impact toughness value α - κ is 8kg/cm2 heat treatment: the quenching and tempering proc...

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  Optimizing Din 1 6523 Steel Round Bar Quenching And Tempering Proces

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - March 10, 2025 - 782.00 Dollar US$

  Quenching: After solution treatment, DIN 1.6523 steel round bar needs to be quenched. Quenching is the rapid cooling of the material to form a hard structure. Usually, the quenching medium can be water, oil or air, and the specific choice depends on ...

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  Din 55nicrmov7 Material Quenching And Tempering Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - April 7, 2025 - 524.00 Dollar US$

  Quenching process The quenching process of DIN 55NiCrMoV7 material is usually oil quenching or water quenching. The quenching temperature is generally between 860-880℃, and the holding time depends on the thickness and size of the workpiece. The sele...

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  Various Specifications 41cr4 Steel Purpose Of Quenching And Tempering

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 6, 2025 - 916.00 Dollar US$

  Purpose of quenching and tempering of 41Cr4 steel Improve strength and toughness: After quenching and tempering, 41Cr4 steel has high strength while maintaining good toughness. This combination of high strength and toughness enables it to withstand l...

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  En 41cr4 Steel Properties After Quenching And Tempering

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 6, 2025 - 697.00 Dollar US$

  EN 41Cr4 steel performance after quenching and tempering Mechanical properties: After quenching and tempering, the tensile strength of EN 41Cr4 steel is generally between 800MPa and 1200MPa, the yield strength is between 600MPa and 800MPa, the elonga...

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  High Performance Of Astm 5130 Steel After Quenching And Tempering

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 7, 2025 - 431.00 Dollar US$

  ASTM 5130 steel is a medium-carbon structural steel microalloyed with chromium. It is commonly used in components subject to moderate and impact loads, such as gears, shafts, and piston pins. Quenching and tempering is a heat treatment process in whi...

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  Cns Suj2 Steel Quenching And Tempering Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - September 8, 2025 - 519.00 Dollar US$

  The quenching and tempering process for CNS SUJ2 steel primarily includes the following steps: 1. Normalizing - Purpose: Refines grain size, improves machinability, and reduces internal stress. - Process Parameters: Heating to 872°C, followed by slow...




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  Microstructure Properties Astm A2 Steel Plate Quenching And Tempering

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - January 15, 2026 - 123.00 Dollar US$

  Microstructure and Properties of ASTM A2 Steel Plate After Quenching and Tempering Microstructure: Uniform tempered sorbite (ferrite matrix + fine spherical cementite), with no obvious martensite residue and extremely low internal stress. Performance...

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  Gb Cr12mo1v1 Alloy Steel Quenching And Tempering Process

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - March 9, 2026 - 95.00 Dollar US$

  Quenching Process: A Key Factor Determining Mold Life 2.1 Preheating Treatment Specifications GB Cr12Mo1V1 alloy steel has poor thermal conductivity and high alloy element content, requiring **staged preheating** to prevent cracking: | Preheating Sta...

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  Heat Treatment 1 2379 Material Quenching And Tempering Processing

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - March 30, 2026 - 97.00 Dollar US$

  1.2379 material is a high-performance tool steel widely used in the manufacture of various molds and tools. Tempering is a heat treatment process applied to this material to improve its mechanical properties and wear resistance. Tempering typically i...

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  Cone Crusher Working Precautions

  General Manufacturing - Jiangsu zhongbo Heavy Machinery - China - March 27, 2013 - contact company for price

  Cone Crusher is suitable for crushing alI kinds of ores and rocks above medium hardness.It has the features of reliable structure, high productivity, easy adjustment and economical operation etc.The spring system acts as an overload protection system...