17CrNi6-6 Alloy Steel 1.5918 Engineering Steels

OTAI SPECIAL STEEL is 17CrNi6-6 Alloy Steel stockholders and suppliers from China. we have more our 16 years experience in special steel supply. supply in 17CrNi6-6 Alloy Steel 1.5918 Engineering Steels round bar, plate, steel flat bar, square bar.

17CrNi6-6 alloy steel-structural, pressure vessel and engineering steel which is formulated for primary forming into wrought products. It has a moderately high density among EN wrought alloy steels. In addition, it has a moderately high electrical conductivity and a moderately high base cost.

17CrNi6-6 Alloy Steel

Equivalent grades of steel 17CrNi6-6 Alloy Steel (1.5918)

DIN 1.5918

EN  17CrNi6-6

Form of Supply

17CrNi6-6 Alloy Steel (1.5918), we can supply the round bar, flat bar, plate and square block. Diameters can be sawn to your required lengths as one offs or multiple cut pieces. Rectangular pieces can be sawn from flat bar or plate to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances

Size&Tolerance&Process

Shape Size(mm) Process Tolerance Length(mm)
Round Φ6-Φ50 Cold Drawn H11 3000-5800
Round Φ40-Φ300 Hot Rolled -0/+3mm 3000-10000
Round Φ120-Φ1000 Hot Forged -0/+3mm 3000-10000
Flat/Square/Block Thickness:120-800
Width:120-1500		 Hot Forged -0/+3mm 500-6000

Chemical Composition(%) of  17CrNi6-6 Alloy Steel

C Mn Si P S Cr Ni
0.14-0.20 0.50-0.80 0.40 max 0.025 max 0.035 max 1.40-1.70 1.40-1.70

Heat treatment

Process Temperature(oC)
Forging or hot rolling 1100-850
Normalizing 850-880
Soft annealing 650-700
Carburising 880-980
Core hardening 830-870
Intermediate annealing 630-650
Case hardening 780-820
Tempering 150-200

Normalizing For 17CrNi6-6

1.Nominal normalizing temperature:850-880°C
2.Hold the temperature for several hours
3.Cooling in the air

Annealing  For 17CrNi6-6

1.Nominal Annealing temperature:650-700°C
2.Cool slowly in the furnace
3.Maximum Brinell hardness of 229

Hardening and Tempering(QT)  For 17CrNi6-6

1.Nominal Hardening temperature:820-870°C
2.Hold at this temperature then quench in oil or water
3.Tempering  as soon as possible when the temperature low to ambient
4.Heat uniformly to a suitable temperature.
5.keep the material out of the furnace, then cool in the air

Mechanical Property

1.Tensile strength: 900-1100MPa
2.Yield point: 635MPa
3.Percentage reduction of area after fracture: 40%
4.Elongation after fracture: 11%
5.Impact test (+20°C):  Longitud – 40~60J

Application

Alloyed case hardening steel for highly strained parts and good toughness at core tensile strength of 900 – 1200 N/mm². Driving bevel gears, crown wheels, gears, shafts, bolts for automotive and gear components.

Contact

If you have any 17CrNi6-6 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