27NiCrMoV11-6 Stockist, 27NiCrMoV11-6 Equivalent Steel

27NiCrMoV11-6
2016-11-17 14:41:14   Origin:   Remark:0 Click:

Technical specifications hardening alloy steel 27NiCrMoV11-6 Steelmaking, Round bar, Flat bar, DIN 1.6948 Ultrasonic testing, Forging, Rolling, Heat treatment.
 
MATERIAL DATA SHEET - DIN 27NiCrMoV11-6 & W-Nr 1.6948
MATERIAL CATEGORY: hardened and tempered steel 
PRODUCT DESCRIPTION
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.
The alloy is usually produced by EAF / VD / LF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment - heat treatment / QT 
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (%): 0.22 ~ 0.32
Silicon, Si (%): ≤ 0.15
Manganese, Mn (%): 0.15~ 0.40
Phosphorus, P (%) ≤: 0.010
Sulfur, S (%) ≤: 0.007
Chromium, Cr (%): 1.20 ~ 1.80
Molybdenum, Mo (%): 0.25 ~ 0.45
Nickel, Ni (%): 2.40 ~ 3.10
Vanadium, V (%): 0.05 ~ 0.15
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT
Hot working temperature /℃:    1050~850
Heat treatment temperature /℃| annealing:     650~700
Heat treatment temperature /℃| Normalizing:  850~880
Heat treatment temperature /℃| Quenching:    830~850oil
Heat treatment temperature /℃| Tempering :  450~650
Hardness after annealing ≤HBS:    265
TS, |σb≥/MPa: 850
YS, |σs≥/MPa: 750
EL, |δ5≥/(%):  -
AZ, |ψ≥/(%):    -

TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on. 
Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nuts.
Multidiameter shaft, Pressure vessel.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to email or call our resident team of qualified production engineers. E-mail: sales@ccsteels.com
PRODUCT PROFILE & DIMENSIONS  
Round bar / Disc (diameter): 5.50mm to 800mm
Square bar / Flat bar: 10mm to 600mm
Plate / Steel strip: 0.5mm to 100mm
Width: 8mm to 800mm
Steel sheet: thickness 1.0 ~ 4.0mm, width 100mm X length 1000/2000mm.
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, other different shapes based on OEM.

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