42crmo4

Otaisteel  is stable and reliable supplier for fortune 500 companies at home and abroad, such as thyssenkrupp, china north industries group corporation limited.Otai  exports various tool steel and alloy to more than 30 countries from Europe and American, Middle East, and Asia. our steel materials meet DIN/ ASTM/EN/JIS ect different international standards.

4140 alloy steel material is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality medium carbon alloy steel, Oil Quenched & Tempered Hardenss is 28-34 HRC.4140 Annealing delivery hardenss less than 250HB.

DIN 4140 Tool steel is a alloy structural steel, 4140 is used for engineering structural, like high tensile shafts, bolts and nuts, gears, pinions and spindles. Locomotive traction with the big gear, supercharger drive gear, pressure vessel, rear axle, gear load of connecting rod and a spring clip,4140 can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool, and can be used for bending machine mould, etc

Established in 1999, first begin with Yao Teng Steel Brand, Otai Steel supplies a wide range of carbon, alloy and stainless steel products, including high speed tool steel, cold works tool steel, hot works tools steel, plastic mould steel, engineering steel and machine structural steel etc. After almost 20 years development and growing, Otai Steel becomes one comprehensive special steel factory, stockist and exporter. Combined with experienced exporting team and professional technical knowledge,Otai’s 42CrMo4 special steel is produced  by the only one imported advanced steel making equipment. Welcome to send email to us .