Premium listings

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  Prefabricated And Integrated Foldable Container House

  Construction - Building Materials - QHCC - Hong Kong - August 20, 2025 - 4000.00 Dollar US$

  Foldable Prefabricated House Overall Size:2438*5900*2620mm Top frame :Crossbeam 5480*2.0-2 2138*2.0-2, 210*150 corner piece-4, purlin 100*40*1.0, insulation cotton, iron sheet color steel plate 0.35mm, top guide rail, 0.25mm831 ceiling. Bottom frame ...

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  Prefabricated And Integrated House

  Construction - Commercial - QHCC - Hong Kong - July 29, 2025 - 6350.00 Dollar US$

  Mobile house-foldable house-Space capsule Product presentation Double wing expansion box room can be used by multiple up and down left and right splicing, to adapt to regional strength, only simple tools in the installation process, beautiful appeara...

precision machining 4140 alloy steel key performance Photos Catalog - page 3 - WorldBid B2B Market

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  Focus On Supply 4140 Steel Round Bar Pre Hardened Materials

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 496.00 Dollar US$

  the main properties of 4140 steel round bar include high hardness, high strength, good wear resistance and heat resistance. the steel has a high carbon content and moderate alloying element additions, which gives it good quench hardening properties a...

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  Spot Wholesale Good Deformation Ability Aisi 4140 42crmo4 Tool Steel

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 15, 2024 - 909.00 Dollar US$

  **aisi 4140 42crmo4 tempering treatment** **process**: 1. **heating**: reheat the quenched 42crmo4 steel to a lower temperature, generally between 450°c and 700°c. 2. **insulation**: keep at the tempering temperature for a period of time to change th...

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  Hot Rolling Process Aisi 4140 Steel Round Bar Subsequent Heat Treatment

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - December 11, 2024 - 907.00 Dollar US$

  aisi 4140 steel round bar heat treatment process hot rolled aisi 4140 steel round bar usually needs subsequent heat treatment to meet different application requirements. 1. annealing - process: heating to 830-850°c and slow cooling. - purpose: reduce...

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  Aisi 4140 Steel Round Bar Heat Treatment Process Improvement

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - January 13, 2025 - 900.00 Dollar US$

  improvement of quenching process for aisi 4140 steel round bar - **heating temperature optimization** - traditional quenching heating temperature for aisi 4140 steel round bar is generally 840 - 860℃. in order to more accurately control the austenite...

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  Specific Application Aisi 4140 Mechanical Steel Different Manufacturing Fields

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 19, 2025 - 157.00 Dollar US$

  AISI 4140 mechanical steel is a medium carbon alloy structural steel that is widely used in a variety of mechanical manufacturing scenarios due to its good comprehensive properties, such as high strength, toughness, wear resistance and hardenability....

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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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  Astm 4140 Steel Coil Carburizing Purpose And Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 19, 2025 - 162.00 Dollar US$

  Purpose of carburizing treatment ASTM 4140 steel coil Carburizing is a surface hardening treatment process, the main purpose of which is to significantly improve the surface hardness and wear resistance by forming a high-carbon alloy layer on the sur...

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  Aisi 4140 Steel Plate Mechanical Engineering Applications

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 9, 2025 - 112.00 Dollar US$

  aisi 4140 steel plate Core application scenarios in the field of mechanical engineering 1. Heavy transmission parts Gears: such as high-torque gears of mining machinery and engineering machinery (excavators, cranes), which need to withstand high load...




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  High Precision Aluminum Alloy Die Casting Machining Parts

  Manufacturing / Casting - Casting - Wudi Zhibo Metals Co., Ltd - China - June 17, 2017 - 6.30 Dollar US$

  Wudi Zhibo Metals Co., LTD is meanly engaged in the metal products. Our business is a system includes the designing, production, machining and selling. Our products are camlock coupling, rigging hardware, marine hardware, auto accessories, as well as...

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  Metal Precision Machining Aluminum Alloy

  Machinery - Parts - KYLT industrial limited - China - April 7, 2020 - 0.63 Dollar US$

  KYLT metal precision machining (aluminum alloy) Semi-finished part show. Advantages of Choose KYLT CNC Machining services: Ability to produce custom-made metal CNC machining parts, CNC machined part with high precision, delivery in time, CHEEP price,...

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  Big Turned And Milled Aluminum Alloy Part With Precision Cnc Machining

  Machinery - Parts - KYLT industrial limited - China - April 14, 2020 - 19.00 Dollar US$

  KYLT big turned and milled aluminum alloy part with precision CNC machining. KYLT CNC manufacturing network provides machined prototypes and mass production. Ability to produce custom-made metal CNC machining parts, CNC machined part with high precis...

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  High Precision 5 Axis Machining Aluminum Alloy Cnc Milling Parts Servic

  Machinery - Parts - Dongguan Tenghui Prototype Technology Co.,Ltd - China - August 25, 2023 - 10.00 Dollar US$

  Service:Customized OEM CNC Machining Material: Al6061, stainless steel 303, ABS, POM, PC, DHPE, copper, brass, etc, surface Finish: anodize, black oxide, zink, nickel plate, etc. Tolerance: +/-0.01mm to +/-0.05mm. MOQ: 1pcs Lead time: 3-15 days Shipp...

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  Aisi 5140 Alloy Material Precision Machining Technology

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 6, 2025 - 910.00 Dollar US$

  AISI 5140 alloy material is a chromium-molybdenum alloy steel with good strength, toughness and wear resistance. It is widely used in the automotive, aerospace, oil and gas and other industries. The following is a detailed introduction to its precisi...

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  Nf 42cd4 Free Cutting Steel Machining Performance

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2025 - 91.00 Dollar US$

  Specific performance of mechanical processing of NF 42CD4 free cutting steel 1. Cutting performance Advantages: T he hardness of the annealed state (after softening treatment) is moderate (180~217HBW), and the cutting force is small. When using carbi...

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  High Performance Electric Key Start Gasoline Generator

  Engines - Diesel - CHONGQING DAOTONG POWER EQUIPMENT CO.,LTD - China - December 12, 2016 - 200.00 Dollar US$

  High Performance, Electric Key Start, 1-Phase and 3-Phase, Gasoline Generator Features and Advantages Strong continual output power to 10kw Powered by HONDA GX690 Engine is optional 4 pcs of high quality nylon wheels for easy movement Superior qualit...

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  Jis Skt4 Material Chemical Composition Analysis Key Performance Characteristics

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - April 7, 2025 - 517.00 Dollar US$

  Chemical composition of JIS SKT4 material The chemical composition of JIS SKT4 material is the key to its performance characteristics. According to the standard, the chemical composition of SKT4 mold steel mainly includes elements such as carbon, sil...




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  Key Applications Of Aisi 8620 Alloy Steel In The Aerospace Industry

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - March 10, 2025 - 893.00 Dollar US$

  AISI 8620 alloy steel has important applications in the aerospace field due to its excellent strength, toughness and wear resistance. 1. Gears and transmission components Application scenarios: aircraft engines, gearboxes, landing gear systems. Advan...

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  Astm 5120h Alloy Steel Key Areas And Main Advantages Features

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - April 21, 2025 - 700.00 Dollar US$

  ASTM 5120H alloy steel is an alloy structural steel, mainly used to manufacture carburized parts with high core strength requirements. The standard is GB/T 3077-1999 GB/T 17107. ASTM 5120H alloy steel key applications ASTM 5120H alloy steel is mostly...

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  Excellent Scr440 Alloy Tool Steel Chemical Composition Plays A Key Role

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - May 6, 2025 - 791.00 Dollar US$

  SCr440 alloy tool steel is an alloy structural steel under the Japanese JIS G4053 standard. This type of steel is usually used to manufacture mechanical parts that bear large loads and complex stresses. It is widely used in mechanical manufacturing, ...

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  Aisi 4142 Alloy Steel Key Process Parameters For Surface Quenching

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 9, 2025 - 110.00 Dollar US$

  Key process parameters of high-frequency induction heating surface quenching of AISI 4142 alloy steel 1. Heating temperature Goal: to austenitize the surface while avoiding overheating or coarse grains. Temperature range: usually 860 - 920℃ (specific...