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...

flame induction hardening 4340 steel Photos Catalog - page 2 - WorldBid B2B Market

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  Production Specifications Sae 4340 Steel Commonly Used Field

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - April 22, 2024 - check with company for price

  aerospace field sae 4340 steel is widely used in aerospace manufacturing engineering. it can meet the high strength, high toughness and fatigue resistance required for various parts of aircraft and spacecraft, allowing aircraft to remain stable under...

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  High Quality 4340 Steel Used Military Field And Marine Area

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - April 22, 2024 - 909.00 Dollar US$

  military field the parts manufactured by 4340 in the military field can adapt to complex and harsh environments. it is usually used to manufacture parts for armored vehicles, military aircraft, ships, ordnance hardware, weapons and other equipment. m...

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  Excellent Performance Aisi 4340 Steel Large Inventory Wholesale

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 30, 2024 - 901.00 Dollar US$

  aisi 4340 steel is a high-quality steel material mainly used for the manufacture of quenched and tempered parts that require high strength and wear resistance. quenching and tempering is a heat treatment process that adjusts the structure and propert...

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  Material Test Quality Assurance 4340 Steel Plate Stable Performance

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - June 30, 2024 - 902.00 Dollar US$

  4340 steel plate is a high-quality alloy steel material with excellent mechanical properties (high strength, high toughness) and corrosion resistance. it is suitable for aerospace, shipbuilding, petrochemical, automotive industry and machinery manufa...

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  Ultra High Strength Medium Carbon Alloy Steel 4340 Material Superior Sale

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 1, 2024 - 903.00 Dollar US$

  4340 material is an ultra-high strength medium carbon low alloy steel, which is known for its excellent mechanical properties and good hardenability. this alloy steel contains 0.8% chromium (cr), 0.2% molybdenum (mo) and 1.8% nickel (ni) as strengthe...

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  Alloy Metal 4340 Material Steel Manufacturer Supply

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 1, 2024 - 905.00 Dollar US$

  4340 material steel is usually supplied in the quenched and tempered state with a tensile strength range of 930 – 1080 mpa and a hardness between 280 – 320hb. this alloy steel can be further surface hardened by flame or induction hardening and nitrid...

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  Excellent Comprehensive Performance Aisi 4340 Alloy Steel Advantage

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 1, 2024 - 906.00 Dollar US$

  mechanical properties the mechanical properties of aisi 4340 alloy steel are as follows: tensile strength: up to 930 – 1080 mpa. yield strength: up to 1000 mpa or more. hardness: up to 280 – 320 hb after quenching and tempering, or even higher to hrc...

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  Professional Manufacturing Provided 4340 Steel Round Bar Metallic Material

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 1, 2024 - 907.00 Dollar US$

  4340 steel round bar occupies an important position in industrial applications with its high strength, good toughness and excellent hardenability. through precise alloy design and heat treatment process, aisi e4340 alloy steel can meet various demand...




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  Astm 4340 Steel Optimizing Manufacturing Processes

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 1, 2024 - 907.00 Dollar US$

  astm 4340 steel manufacturing process steps: 1. preheating: before forging, 4340m alloy steel needs to be properly preheated. the preheating temperature is usually between 800°c and 1200°c, the purpose is to improve the plasticity of the steel and re...

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  Electric Furnace Vacuum Production Sae 4340 Ally Structural Steel

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 1, 2024 - check with company for price

  sae 4340 has high strength, high toughness and good wear resistance after proper heat treatment. its typical mechanical properties include tensile strength of about 930 mpa to 1080 mpa, yield strength of about 710 mpa to 930 mpa, and elongation betwe...

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  Excellent Steel Aisi 4340 Material Iron Based Alloy Containing Nickel Chromium

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 1, 2024 - 908.00 Dollar US$

  aisi 4340 material is a very excellent steel with high strength, superior toughness and good ductility, as well as low brittleness and good corrosion resistance. these characteristics make it an ideal choice for many applications, including aerospace...

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  Cold Drawn Process 4340 Steel Adequate Supply In China

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - December 11, 2024 - 906.00 Dollar US$

  aisi 4340 steel is a high-strength low-alloy steel known for its excellent strength, wear resistance and abrasion resistance. through cold working, 4340 steel can further improve mechanical properties such as hardness, strength and surface quality. t...

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  Common 4340 Steel Cold Processing Principles And Applications

  Steel - Cold Rolled - Dongguan Songshun Mould Steel Co., Ltd. - China - December 11, 2024 - 908.00 Dollar US$

  common cold processing of 4340 steel 1. cold drawing **process principle**: 4340 steel bars or wires are stretched to a specified size to improve surface quality and increase strength. **application** : manufacture of high-strength bolts, springs and...

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  Durable 4340 Steel Round Bar The First Choice For High Strength Applications

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - January 13, 2025 - 1005.00 Dollar US$

  4340 steel round bar belongs to alloy structural steel. due to its excellent comprehensive performance, it is favored in many high-strength application fields. it has good hardenability, which means that during the quenching process, a high-strength ...

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  Various Specifications 4340 Mild Carbon Steel Processing And Application

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - January 13, 2025 - 875.00 Dollar US$

  4340 mild carbon steel processing processing performance: although 4340 mild carbon steel has high strength, it also has certain advantages in processing. it can be processed by conventional mechanical processing methods such as turning, milling, dri...

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  Astm 4340 Alloy Steel Excellent Durability Advantages

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - January 13, 2025 - 779.00 Dollar US$

  durability advantages of astm 4340 alloy steel fatigue resistance: astm 4340 alloy steel has excellent fatigue resistance. in applications that are subject to cyclical alternating loads, such as the crankshaft of an automobile engine, the crankshaft ...




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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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  Astm 4340 Alloy Steel Excellent Processing And Weldability

  Metals - Alloy Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 14, 2025 - 501.00 Dollar US$

  ASTM 4340 alloy steel is a medium carbon low alloy steel known for its excellent strength, toughness and good heat treatment properties. This steel is widely used in the fields of aerospace, automobile, energy and heavy machinery, especially for key ...

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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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  Astm 4340 Steel Pipes Excellent Strength And Wear Resistance

  Metals - Steel - Dongguan Songshun Mould Steel Co., Ltd. - China - July 20, 2025 - 702.00 Dollar US$

  ASTM 4340 steel pipes has high strength and wear resistance and is often used to manufacture high-strength parts such as bearings, gears, shafts, etc. Its suitable chemical composition ratio gives it good heat treatment performance, and its mechanica...