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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...

mature cns sncm439 steel tempering treatment Photos Catalog - WorldBid B2B Market

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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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  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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  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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  Good Heat Treatment Performance Ks Sncm439 Bars Production And Supply

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 20, 2025 - 701.00 Dollar US$

  KS SNCM439 bars have good heat treatment performance, and their mechanical properties can be further improved by heat treatment (such as quenching and tempering) to meet different use requirements. When performing heat treatment, it is necessary to o...

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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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  Astm 5140 Steel Heat Treatment Process Mature Technology

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 6, 2025 - 911.00 Dollar US$

  ASTM 5140 steel heat treatment process Heat treatment is a key link in the precision machining of ASTM 5140 steel. The main processes include annealing, normalizing, quenching and tempering: Annealing: Usually carried out at around 790℃, followed by ...

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  Alloy Structural Steel Jis Sncm439 Plate Chemical Composition Effect

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 16, 2025 - 708.00 Dollar US$

  The chemical composition of JIS SNCM439 plate is the key factor that determines its performance. The role and influence of each element are as follows: 1. Carbon is the most basic strengthening element in JIS SNCM439 plate, which improves hardness an...

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  Low Alloy Material Ks Sncm439 Steel Performance Application

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 20, 2025 - 700.00 Dollar US$

  KS SNCM439 steel, also known as 4340 steel, is a low alloy ultra-high strength steel. Only steel with a tensile strength greater than 1400MPa and a yield strength greater than 1200MPa at room temperature is called "ultra-high strength steel". KS SNCM...




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  Hot Sale Warehouse Cns Scr440 Steel Applications Range

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 6, 2025 - 797.00 Dollar US$

  Application fields of CNS SCr440 steel 1. Mechanical manufacturing: CNS SCr440 steel is often used to manufacture high-strength parts, such as bearings, gears, connecting rods, etc. It is also commonly used to manufacture various shaft parts, such as...

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  Cns Scm440 Material Common Steel Grade For Producing High Strength Fasteners

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 19, 2025 - 141.00 Dollar US$

  CNS SCM440 material is a type of steel widely used in the production of high-strength fasteners. It plays an important role in the field of industrial manufacturing. The product has the advantages of stable composition, low harmful elements, high ste...

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  Common Problems And Solutions For Cold Rolling Of Cns Scr420 Steel

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 21, 2025 - 697.00 Dollar US$

  Common problems and solutions for CNS SCr420 steel 1. Surface scratches - roll wear/foreign matter intrusion - need to replace rolls regularly, strengthen filtration of lubricants 2. Edge cracks - too high reduction rate or too low edge temperature -...

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  Cns Scr430 Steel Ideal Material For Manufacturing Heavy Machinery Parts

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 6, 2025 - 303.00 Dollar US$

  CNS SCr430 steel is an alloy structural steel with high strength and hardness, making it suitable for manufacturing heavy machinery components subject to high loads and impacts. Its chemical composition generally contains 0.28-0.33% carbon and approx...

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  Factory Direct Supply Cns Scr440 Steel Plate With High Wear Resistance

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 27, 2025 - 400.00 Dollar US$

  CNS SCr440 steel plate is a chromium alloy steel with high wear resistance. Its specific characteristics are as follows: Chemical Composition and Microstructure - Chemical Composition: C content is 0.38%-0.43%, Mn content is 0.60%-0.90%, and Cr conte...

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  Smelting Cns Sup10 Steel Electroslag Remelting Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - October 20, 2025 - 616.00 Dollar US$

  CNS SUP10 steel is a chrome-vanadium spring steel. The process typically involves converter smelting, LF+VD, continuous casting of round billets, slow cooling, shot blasting, electroslag remelting, hood cooling, bar rolling, slow cooling, annealing, ...

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  Mature Technology Skh2 Steel Plate Manufactory

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - March 3, 2024 - check with company for price

  skh2 high speed steel red hardness: when the cutting temperature is 540 degrees, the hardness can maintain hrc66 when the cutting temperature is 600 degrees, the hardness can maintain hrc63 advantages: strong versatility and mature technology. disadv...

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  Songshun Factory Sales 42crmo4 Alloy Steel Mature Steelmaking Technology

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 8, 2024 - 998.00 Dollar US$

  42crmo4 alloy steel is a european standard high-strength structural steel and one of the typical alloy steels of the cr-mo series. it is famous for its high strength, toughness and good hardenability. it is suitable for mechanical parts, automobile a...




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  Mature Technology En 42crmo4 Steel Hardness Measurement Method

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

  Hardness measurement methods Brinell hardness (HB): Suitable for measuring materials with lower hardness, such as EN 42CrMo4 steel in the annealed state. Rockwell hardness (HRC): Suitable for measuring materials with higher hardness, such as EN 42CrM...

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  Mature Manufacture Technology Isc A30304 Steel Impact Toughness Value

  Metal Manufacturing - Dongguan Songshun Mould Steel Co., Ltd. - China - June 30, 2025 - 203.00 Dollar US$

  Regarding the impact toughness value of ISC A30304 steel, the following points should be noted: 1. Correspondence between standards and materials ISC is the old code of Japanese Industrial Standard (JIS), which has now been replaced by JIS. If the us...

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  Mature Technology En Din 36crnimo4 Steel Core Application

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 20, 2025 - 706.00 Dollar US$

  EN DIN 36CrNiMo4 steel, due to its excellent comprehensive mechanical properties, is widely used in the manufacture of important parts such as camshafts and connecting rods of engines. It has poor machinability and is a typical difficult-to-machining...

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  Mature Technology Din 1 7027 Steel Professional Forging Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - August 4, 2025 - 516.00 Dollar US$

  DIN 1.7027 steel is a German standard alloy steel. Its professional forging process typically includes the following steps: 1. Engineers design dies based on the drawings of the DIN 1.7027 steel forging. These dies typically include forging dies and ...