27NiCrMoV15-6
2018-09-24 08:36:48 Origin： Remark：0 Click：
Hardened and tempered steel 27NiCrMoV15-6 round bar, flat bar 27NiCrMoV15-6 Electroslag remelting, Hot forging, Rolling, Heat treatment, Cold working, 100% UT
TECHNICAL DATA SHEET - Grade 27NiCrMoV15-6
MATERIAL CATEGORY: hardened and tempered steel
MELTING PROCESS - EF + Consumable electrode remelted
HS code for Customs: 7228 4000 / 7228 5000 / 7228 6000
HS code for Customs: 7228 4000 / 7228 5000 / 7228 6000
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.22 ~ 0.32
Silicon, Si (％): ≤ 0.15
Manganese, Mn (％): 0.15 ~ 0.40
Silicon, Si (％): ≤ 0.15
Manganese, Mn (％): 0.15 ~ 0.40
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.010
Sulfur, S (％)≤: 0.010
Chromium, Cr (％): 1.20 ~ 1.70
Molybdenum, Mo (％): 0.25 ~ 0.45
Nickel, Ni (％): 3.40 ~ 4.00
Vanadium, V (％): 0.05 ~ 0.15
Molybdenum, Mo (％): 0.25 ~ 0.45
Nickel, Ni (％): 3.40 ~ 4.00
Vanadium, V (％): 0.05 ~ 0.15
Hot working temperature /℃: 1050 ~ 850
Hardness after annealing ≤HBS: 280
Tensile strength, |σb≥/MPa: 930
Yield strength, |σs≥/MPa: 780
Elongation, |δ5≥/(%): 18.0
Reduction of area, |ψ≥/(%): 45.0
Yield strength, |σs≥/MPa: 780
Elongation, |δ5≥/(%): 18.0
Reduction of area, |ψ≥/(%): 45.0
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
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (diameter): 5.5mm to 850mm
Square bar / Flat bar: 3mm to 650mm
Plate / Steel strip: 1.0mm to 200mm
Width: 8mm to 2000mm
Steel sheet: thickness 1.0 ~ 4.0mm, width 10 ~ 1000mm X length 1000/2000mm - Standard size
Length: random length or based on the customer's special requirement
Forged steel shape: stepped shafts, other different shapes based on OEM
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.
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