Alloy Structural Material Aisi 4140 And 4130 Steel - China

last week, a customer said that he bought 4130 steel from another supplier, but it turned out to be fake.

they replaced 4130 steel with 4140 steel, so in order to prevent more people from being deceived, this article mainly talks about the two.

similarities and differences.

before buying these two kinds of steel, you must distinguish between the alloy structural steel aisi 4140 and 4130 steel.

what is the difference between 4140 and 4130? such steels as aisi 4130 have relatively high requirements for welding and heat treatment, etc.

this kind of steel is difficult to buy in stock in china, and most of them need to be customized, especially round steel, which our company provides customized service of 4130 steel, also provide stock of alloy structural steel aisi 4140 - both aisi 4130 steel and aisi 4140 steel have the characteristics of high strength and toughness, and high hardenability.

the critical hardenable diameter of 4130 steel in oil is 15-70mm; the hot strength of steel is also good, and it has sufficient strength under 500 celsius high temperature strength, but the strength drops significantly at 550 celsius; when the alloying element is at the lower limit, the welding is quite good, but when it is close to the upper limit, the weldability is moderate, and it needs to be preheated to above 175 celsius before welding; the machinability of the steel is good, and the cold the plasticity is moderate during deformation; the first type of temper brittleness occurs in the range of 300-350 celsius during heat treatment; there is a tendency to form white spots.

alloy structural steel aisi 4140 has no obvious temper brittleness.

after quenching and tempering treatment, it has high fatigue limit and multiple impact resistance, and has good low temperature impact toughness.

songshun steel

dongguan songshun mould steel co., ltd which is an industrial and trading company with 3500-7000ts hydraulic forging machine.

we provide a great variety of steels, competitive price with good quality and keep the large stock are over 20000 tons.

songshun company website:

https: //songshunsteel.

com/

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Company Contact:

• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

• Phone: 076985475596

• Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , Guangdong , China

• Email:

• Website: https://songshunsteel.com/

• Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
  
  After more than 10 years development and growing, Songshun Steel becomes one comprehensive special steel factory, stockist and exporter.
  
  Combined with experienced exporting team and professional technical knowledge, Songshun Steel offers both technical advice and support, as well as global professional steel solution and service.
  
  Due to satisfactory reliable quality and professional service, Songshun expands our market worldwide, such as Colombia, Chile, Spain, Turkey, Iran, Vietnam, Malaysia ,UAE, Canada, Brazil, Mexico and so on.
  
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