AISI 4340 Steel VS 40CrNiMoA VS EN24 of Race connecting rod material

Home > News > Company news  > AISI 4340 Steel VS 40CrNiMoA VS EN24 of Race connecting rod material

Qualification Certificate

4340 material test report
connecting rod PSI test report
Hurricane Performance Replacement Connecting Rod Bolt Test Report
4032 piston material test report
300M connecting rods material

Latest Product

News

Hurricane Complete Toyota 2JZ Component Package Up To 1700HP

Hurricane Complete Toyota 2JZ Component Package Up To 1700HP

2026-07-03 15:19:28

Hurricane high-performance component package for the legendary Toyota 2JZ engine, this complete package includes our billet 4340 crankshafts, forged 4340 connecting rods, and forged 2618 pistons. the complete Hurricane 2JZ package (crankshaft, connecting rods, and pistons) successfully achieved a maximum power output of 1700 horsepower.

Hurricane High Performance connecting rods - Process of machining rods

Hurricane High Performance connecting rods - Process of machining rods

2017-09-19 10:13:15

Main rods includes Chevy,Ford, Harley Davidson, VW & Audi, Opel, Honda, Nissan,Subaru, Mitsubishi, Toyota, Isuzu, Suzuki, Mazda, Buick, BMW, Chrysler & Dodge, Fiat
Here in the following process of pictures are the 13 major operations undertaken in the production of Hurricane Speed&Performance:

4340 STEEL, TITANIUM AND ALUMINUM CONNECTING RODS

4340 STEEL, TITANIUM AND ALUMINUM CONNECTING RODS

2018-03-26 17:23:15

Weight. Strength. Balance. When it comes to rod selection, which is more important? Through advances in technology and automation, it is now possible to provide three kinds of connecting rods in one factory (Hurricane Speed and Performance), 4340 steel, Titanium and Aluminum.

Hurricane Connecting Rod Features - Various Beam Designs

Hurricane Connecting Rod Features - Various Beam Designs

2017-10-08 13:11:22

With many years experience of designing, developing , engineering and manufacturing in the connecting rods fields, Hurricane has ability to handle different customers needs on connecting rods designs . Except connecting rods shoulder and small end, Hurricane also can build various connecting rods beam style . 

2023 Performance Racing Industry (PRI) Trade Show Gallery

2023 Performance Racing Industry (PRI) Trade Show Gallery

2024-06-19 11:37:33

The Performance Racing Industry Trade Show (PRI) took place through 7-9 December 2023 in Indianapolis, Indiana. 

Contact us

Hurricane Contact Information We believe the soul of a business is quality. Hurricane is a manufacturer of high performance automotive engine parts. W...

AISI 4340 Steel VS 40CrNiMoA VS EN24 of Race connecting rod material

2017-06-09 10:44:37
4340 is a nickel-chromium-molybdenum alloy steel known for its toughness and its ability to attain high strengths in the heat-treated condition. It has very good fatigue resistance. APPLICATIONS OF AISI / SAE 4340. Like:
Commercial and military aircraft, automotive systems, forged hydraulic and other machine tool applications, forged steel crankshafts, forged conrods.
As a connecting rod factory since 2000, we use this kind of material into high performance connecting rod. There are many different names, most popular names include: 4340 steel(The United States), 40CrNiMoA(China), EN24(United Kingdom). When someone need to purchase this kind of material, supplier will convert to local name.

But Now pay attention, they are similar, or not same exactly. chemical composition of them as follows, you can find difference on this spreadsheet easily:

Our latest test report of rods material as follows, all material will be tested before machine, procedure like this:


客服系统