17NiCrMo6-4 Alloy Steel| DIN 1.6566

17NiCrMo6-4 Alloy Steel China supplier and stockholders. OTAI Special steel is 17NiCrMo6-4 Alloy Steel| DIN 1.6566 china supplier of in round bar, plate, flat bar, sheet, square and block.

17NiCrMo6-4 Alloy Steel is a low carbon case hardening steel which has at least 0.8Cr%,1.2%Ni and 0.15%Mo. It is the most common case hardening steel and has a medium-high hardenability and good machinability. After case hardening and hardening treatments, the surface reaches an elevated hardness.

17NiCrMo6-4 Alloy Steel

Chemical Composition of  17NiCrMo6-4 Alloy Steel

Grade C Si Mn Cr Ni Mo P S
17NiCrMo6-4/1.6566 0.14-0.2 ≤ 0.4 0.6-0.9 0.8-1.1 1.2-1.5 0.15-0.25 ≤ 0.025 ≤ 0.035

17NiCrMo6-4 Alloy Steel Relevant Standards

DIN EN UNI AFNOR B.S. AISI/SAE
1.6566 17NiCrMo6-4 18NiCrMo5 18NCD6 817M17 4317

Supply Form & Size & Tolerance

we can supply the round bar, flat bar, plate and square block. round bar can be sawn to your required lengths as one offs or multiple cut pieces. Steel plate and sheet rectangular pieces can be sawn from flat bar, sheet or plate to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances.

Hot rolled bar:Φ6-Φ130mm,Length:3000-10000mm

Hot Forged round bar:Φ130-Φ1000mm,Length:3000-10000mm

Flat bar/Blocks:Thickness :120-800mm xWidth:120-1500mm,Length:2000-6000mm

17NiCrMo6-4 Alloy Steel Mechanical Property

Hardening at 850°C, Tempering at 200°C
Size – mm <16 16-40 40-100
Tensile Strength, N/mm² >1200 >1000 >900
Hardness, HB >359 >298 >271

Forging

17NiCrMo6-4 forging temperature:950 – 1200°C, cooled as slowly as possible in the furnace or in the sand after forged.

Heat Treatment

Normalizing: 870 – 890°C, Cooling in air
Soft Annealing:650 – 700°C, Cooling in the furnace
Carburizing:880-980°C
Core-hardening:830-870°C,oil-polymer salt bath
Case-hardening:780-820°C,oil-polymer salt bath
Tempering:150-200°C

Application

17NiCrMo6-4 is used for the production of mechanical parts, which are submitted to wear (gears, camshafts, bushings, pinions)17NiCrMo6-4 is widely used in automotive, chemical/petrochemical, earthmoving / agriculture industry, typical application: boxes, piston bolts, spindles, camshafts, gears, shafts, and other mechanical controlling parts, especially in wheels and stopcock.

Contact

If you have any 17NiCrMo6-4 Alloy Steel inquiries and questions for Price, Application, hot treatment, Please don’t hesitate to contact us.

Email: Jack@otaisteel.com

Tel:  +86-769- 23190193

Fax:  +86-769-88705839