17crni6-6 1.5918 Engineering Steels with High Quality

Model NO.
17CrNi6-6 1.5918
Composition
Ferrous Steel Scrap
Technique
Hot Forged or Hot Rolled
Shape
Round,Flat or Square
Surface Treatment
Black Surface,Grinded or Peeled
Special Use
Engineering Steels
Application
Structural Steel Bar
Size Range
Round Bar:Dia12~420mm Flat Bar:2~420 X 30~1500mm
Smelting Process
Ef, Eaf, ESR
Delivery Condition
Hot Rolled, Forged, Annealed,Quenched and Tempered
Surface Condition
Black Surface, Grinded,Peeled,Milled,Polished
Transport Package
Seaworth Packing
Specification
Round Bar: Dia12~420mm Flat Bar: 2~420 X 30~1500mm
Trademark
CHENGQUAN
Origin
Huangshi, Hubei
HS Code
7228600000
Production Capacity
5000tons/Year
Reference Price
$ 450.00 - 1,800.00
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Product Description

17crni6-6 1.5918 Engineering Steels with High Quality 17crni6-6 1.5918 Engineering Steels with High Quality 17crni6-6 1.5918 Engineering Steels with High Quality
Introduction
Structural, pressure vessel and engineering steels.

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.

All Grades Comparison

DIN 		EN
1.5918 17CrNi6-6

Quality Standard
EN 10084: 2008 Case hardening steels. Technical delivery conditions
EN 10263-3: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for case hardening steels

Chemical Composition(%)

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

Mechanical Properties(T=20°C if not differently stated)

Process 		Diameter(mm) Tensile Strength Rm (Mpa) Hardness (HB)
Treated to improve shearability / / 255 max
SOFT ANNEALED / / 229 max
Treated for strength / / 175-229
Treated for ferrite and pearlite structure and hardness range / / 156-207
QUENCHED AND TEMPERED 16 max 1200 min /
QUENCHED AND TEMPERED 16-40 1100 min /
QUENCHED AND TEMPERED 40-100 900 min /

HEAT TREATMENT:

Process 		Temperature(°C) Media
Forging or hot rolling 1100-850 /
Normalising 850-880 air
Soft annealing 650-700 furnace
Carburising 880-980 /
Core hardening 830-870 oil
Intermediate annealing 630-650 /
Case hardening 780-820 oil
Tempering 150-200 /

Mill′s test certificate:
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
 

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