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SAE 4140 4340 Steel | SAE 4140 4340 Steel Stock | Top Quality SAE 4140 4340 Steel Alloy Structurals

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SAE 4140 4340 Steel

Focus on 4340 and 4140 alloy steel round bars in China for more than 20 years, we have many advantages, have many powerful factories, and have cooperative customers from all over the world.

4140 vs 4340 Products

4340 belongs to American standard high-strength alloy structural steel, which is made of high-quality carbon structural steel by appropriately adding one or several alloying elements (the total content does not exceed 5%);

4140 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 steel with high yield, good comprehensive mechanical properties, good strength, good toughness and hardenability. High advantages, its carbon content is 0.33%-0.48%, its tensile strength is 795 MPa, and its hardness is 241HB. After heat treatment at 4140, it has good strength and good comprehensive mechanical properties, and it has good manufacturability. Fasteners, salvage tools, etc.

4140 vs 4340 Steel Features 

(1) 4140 steel features

This steel has good strength, good toughness, high hardenability, good workability, small processing deformation, quite good fatigue resistance, small deformation during quenching, and high creep strength and durable strength at high temperature.

(2) 4340 steel features

It has high strength, toughness, excellent hardenability and stability against overheating, good plasticity and heat resistance, uniform material, high working reliability, weldability, non-leakage, and simple steel structure production. Short construction period and good assembly;

4140 vs 4340

We specialize in 4140 and 4340 steels, which are versatile and have many advantages for a variety of industrial applications. Knowing the differences between them will help you choose the one that best suits your needs.

Our advantages: Focus on the steel industry for more than ten years, strong factories, professional services, ensure quality, customize according to customer requirements, factory prices, fast transportation,

Good after-sales service, pleasant cooperation, high repurchase rate and so on.

We offer a wide range of information and high quality steel products on 4140 and 4340 steel, for more information on our 4140 and 4340 steel products, please contact us today. To discuss pricing details, please request a quote.songshunmoldsteel41404340

  • Product Details
  • Brand :
  • Place of Origin : China
  • FOB Price : USD 1
  • Minimum Order Quantity : 1 Ton/Tons(Min. Order)
  • Supply Ability :
  • Packaging & Delivery
  • Packaging Detail :
    1. Standard export package 
    2. In bundles with steel strips 
    3. Meet requirements of customers
  • Delivery Detail : http://www.songshunsteel.com/
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