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...

42crmo 4140 scm440 Photos Catalog - page 4 - WorldBid B2B Market

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  Alloy 4140 Steel

  Metals - Steel - Songshun Steel - China - December 13, 2020 - 1000.00 Dollar US$

  AISI 4140 alloy steel round bar sheet plate has high fatigue strength and low notch sensitivity. Low-temperature impact toughness is also very high, no obvious temper brittleness. It is mainly used after quenching and tempering state. It is used to m...

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  Heat Treating Forged Steel Flat Bar 4140 Quenching Manufacturer

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 2, 2022 - 852.00 Dollar US$

  steel flat bar 4140 | steel flat bar 4140 manufacturer | forged steel flat bar 4140 quenching steel steel grade: aisi 4140/din 1.7225/jis scm440/gb 42crmo size & dimension: dia:20-120mm l:2000-5800mm technique: cold/hot rolled, cold-drawn or hot ...

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  Moderate Hardenability High Strength Din 1 7225 Aisi Sae 4140 Steel Bars Toughness

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 2, 2022 - 1135.00 Dollar US$

  aisi 4140 steel product information 1.describe: 4 140 steel is a kind of alloy structural steel. it belongs to the steel with the american grade equivalent to the 42crmo grade in my country. this kind of steel belongs to the medium hardenability stee...

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  Medium Hardenability 4140 Steel Round Bar Price Per Kg

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 14, 2023 - contact company for price

  aisi 4140 alloy steel material stockholders and suppliers from china-otai special steel . we have more 16 years experience in 4140 steel plate, round bar, flat bar, square supply.aisi 4140 alloy steel is chromium, molybdenum, manganese containing low...

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  Medium Hardenability Aisi 4140 Steel Fabrication Companies

  Manufacturing Plants - Dongguan Songshun Mould Steel Co., Ltd. - China - September 18, 2023 - 96.00 Dollar US$

  aisi 4140 alloy steel round bar sheet plate belongs to medium hardenability steel.aisi 4140 steel has high fatigue strength and low notch sensitivity. low-temperature impact toughness is also very high, no obvious temper brittleness. aisi 4140 steel ...

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  High Fatigue Strength 4140 Steel Coil Storehouse Stockists

  Construction - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - September 25, 2023 - 82.00 Dollar US$

  aisi 4140 steel coil is an alloy steel material with high fatigue strength, durability, corrosion resistance, ductility and machinability, and is used in various industries. 4140 steel coil has good surface quality, smooth and beautiful appearance, h...

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  Deeply Exploring 4140 Wide Application Fields

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - April 22, 2024 - 1000.00 Dollar US$

  4140 steel is one of the most popular materials purchased in the manufacturing industry, and it is also a medium-hardenability alloy structural steel with excellent toughness, processability and strength. the versatility and stability of 4140 enable ...

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  Medium Carbon Alloy Steel 4140 Material Songshun Spot Wholesale

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 490.00 Dollar US$

  alloy structural steel, also known as alloy steel, is a carbon structure with one or more elements below 5 added. 4140 material is considered a medium carbon alloy. molybdenum and chromium make it one of the most common steel alloys people choose. mo...




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  China Reliabled Manufacturer Supply 4140 Material Steel

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 491.00 Dollar US$

  4140 material steel is a cr-mo series (chromium-molybdenum series) low alloy steel. the material has high strength and hardenability, good toughness, small deformation during quenching, high creep strength, and long-lasting high temperature strength....

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  Versatility Astm 4140 Material Order Supplier Export

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 492.00 Dollar US$

  astm 4140 material can obtain ideal properties after proper heat treatment. after quenching and tempering, astm 4140 material can obtain high hardness and strength while maintaining a certain toughness, which is suitable for manufacturing high-streng...

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  Product Maker Sae 4140 Steel Excellent Choice For Various Industrial Applications

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 493.00 Dollar US$

  when choosing sae 4140 steel, determine the shape of sae 4140 steel, such as aisi 4140 flat steel or sae 4140 round steel. it depends on the size you need. what heat treatment do you need or what properties do you need? if you only need normal condit...

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  Excellent Mechanical And Heat Treatment Properties 4140 Steel Plate Price

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 495.00 Dollar US$

  4140 steel plate is equivalent to 40cr steel in china. it is a heat-treated tool steel mainly composed of carbon, manganese, chromium, molybdenum and other elements. it has excellent mechanical properties, can withstand high temperatures, has high st...

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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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  Made In Electric Or Alkaline Oxygen Furnace 4140 Alloy Steel

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 497.00 Dollar US$

  4140 alloy steel, implementation standard: astm a29/a29m-04, is a medium hardenability steel. after heat treatment, it has good strength and good comprehensive mechanical properties, good processability and high yield rate. in china, the correspondin...

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  Multiple Ideal Materials 4140 Alloy Structural Steel Large Direct Sales

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 499.00 Dollar US$

  4140 alloy structural steel performance characteristics: high strength and toughness: after quenching and tempering, 4140 steel shows excellent comprehensive mechanical properties, including high strength and toughness, suitable for making parts that...

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  Trader Corporation Provide Astm 4140 Alloy Steel Production Process

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - 416.00 Dollar US$

  astm 4140 alloy steel is a high-strength, wear-resistant, and fatigue-resistant alloy structural steel, which is often used to manufacture high-strength mechanical parts and engineering structures. the following is the general production process of a...




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  Aisi 4140 Alloy Structural Steel The Material Of Choice For Shafts

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 17, 2024 - check with company for price

  the main reasons why aisi 4140 alloy structural steel is suitable for manufacturing shafts include its high strength, good hardening properties and excellent wear resistance. specifically: 1. high strength: aisi 4140 alloy structural steel can achiev...

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  Din Aisi 4140 42crmo4 Alloy Structural Steel Spot Promotion

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 15, 2024 - 901.00 Dollar US$

  4140 42crmo4 steel is a low alloy steel with excellent mechanical properties and heat treatment characteristics, and is widely used in the manufacture of high-load mechanical parts and tools. it is one of the common industrial standards in the world ...

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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...