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DIN1.6587 Steel Round Bar Bright Peeling Surface 650mm

Categories Steel Round Bar
Brand Name: MITTEL
Model Number: 18crnimo7-6 DIN1.6587 17CrNiMo6
Certification: SGS ISO MTC
Place of Origin: China
MOQ: 300KGS
Price: 0.85 USD/KG
Payment Terms: L/C, T/T, MoneyGram
Supply Ability: 50000KGS
Delivery Time: 7 Days
Packaging Details: Wooden Box
Steel grade: 18crnimo7-6 DIN1.6587 17CrNiMo6
Alloy or not: Is Alloy
Technique: Hot Rolled,Forged,Cold Drawn
Application: Tool Steel Bar
Standard: ASTM,DIN,GB,AISI,JIS
Shape: Round,Square
Length: 1--12m
Surface: black or bright
Surface treatment: Black/Peeling/Polishing/Machined
Diameter: 12mm-650mm
Heat treatment: Normalized +Annealed +Quenched + Tempered
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DIN1.6587 Steel Round Bar Bright Peeling Surface 650mm

18CRNIMO7-6 SPECIAL ALLOY

CHEMICAL COMPOSITION%OF THE LADLE ANALYSIS OF GRADE18CRNIMO7-6

C(%)Si(%)Mn(%)P(%)S(%)Cr(%)Ni(%)
0.15-0.210.40.50-0.900.0350.0351.50-1.801.40-1,70

18CrNiMo7-6

MECHANICAL PROPERTIES OF GRADE18CRNIMO7-6

Proof strength
Rp0.2(MPa)
Tensile strength
Rm(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
775(≥)936(≥)412124Solution and Aging,Annealing,Ausaging,Q+T,etc244

PHYSICAL PROPERTIES OF GRADE 18CRNIMO7-6

PropertyDensity
kg/dm3
Temperature T
°C/F
Specific heat
J/kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
844(≥)936(≥)224432Solution and Aging,Annealing,Ausaging,Q+T,etc443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
453365315

18CRNIMO7-6 RANGE OF PRODUCTS

Product typeProductsDimensionProcessesDeliver Status
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED


DIN 1.6587 | 17CrNiMo6 |18CrNiMo7-6 forging temperature:900 – 1100°C,cool slowly in the sand after forged.

6.Heat Treatment

  • Normalizing:850 – 880°C/air
  • Soft annealing:650 – 700°C/furnace
  • Stress relieve:630- 650oC
  • Carburising:880 – 980°C
  • Core hardening:830 – 870°C/water
  • Intermediate annealing:630 – 650°C
  • Case hardening:780 – 820°C/water
  • Tempering:150 – 200°C

7.Surface Hardness

  • Treated to improveshearability(+S):Max 255HB
  • Soft annealed(+A):Max 229HB
  • Treated to hardness range(+TH):179-229HB
  • Treated to ferrite-pearlite structure and hardness range(+FP):159-207HB

8.Application

DIN 1.6587 | 17CrNiMo6 |18CrNiMo7-6 steel for the parts which require core tensile strength and high hardness. Susceptible to the large seized parts with high wearing resistance and loading such as: Heavy Duty Bushings and Bearings, Cam Followers, Clutch Dogs, Compressor Bolts, Extractors, Fan Shafts, Heavy Duty Gears, Pump Shafts, Sprockets, Tappets, Wear Pins, Wire Guides etc..


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