16CrMo4
2014-10-10 10:37:19 Origin： Remark：0 Click：
Alloy Steel 16CrMo4 Round bar, flat bar, plate Steelmaking, ESR melted, Hot forging, Hot rolling, Heat treatment, Cold working or machining.
TECHNICAL DATA SHEET - Grade DIN 16CrMo4
MATERIAL CATEGORY: High temperature structural 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.
Final heat treatment - Quenched and tempered.
MATERIAL SPECIFICATIONS - DIN EN 10028-2 (2003), DIN 17755 (1983)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.13 ~ 0.20
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.50 ~ 0.80
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.035
Chromium, Cr (％): 0.90 ~ 1.20
Molybdneum, Mo (％): 0.20 ~ 0.30
Nickel, Ni (％): ≤ 0.40
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.50 ~ 0.80
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.035
Chromium, Cr (％): 0.90 ~ 1.20
Molybdneum, Mo (％): 0.20 ~ 0.30
Nickel, Ni (％): ≤ 0.40
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealing / normalizing : 650~700
Heat treatment temperature /℃|quenching: 900~950 oil
Heat treatment temperature /℃|tempering: 580~680
Hardness HBS: 160~205
Tensile strength, (≥)|σb/MPa: 540～690
Yield strength, (≥)|σs/MPa: 345
Elongation, (≥)|δ5(%): 20.0
Impact, (≥)|AKV/J: 41
Heat treatment temperature /℃|annealing / normalizing : 650~700
Heat treatment temperature /℃|quenching: 900~950 oil
Heat treatment temperature /℃|tempering: 580~680
Hardness HBS: 160~205
Tensile strength, (≥)|σb/MPa: 540～690
Yield strength, (≥)|σs/MPa: 345
Elongation, (≥)|δ5(%): 20.0
Impact, (≥)|AKV/J: 41
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Yield strength σ0.2≥/MPa|200℃: -
Yield strength σ0.2≥/MPa|300℃: 284
Yield strength σ0.2≥/MPa|350℃: 265
Yield strength σ0.2≥/MPa|400℃: 234
Yield strength σ0.2≥/MPa|450℃: -
Yield strength σ0.2≥/MPa|500℃: -
Yield strength σ0.2≥/MPa|300℃: 284
Yield strength σ0.2≥/MPa|350℃: 265
Yield strength σ0.2≥/MPa|400℃: 234
Yield strength σ0.2≥/MPa|450℃: -
Yield strength σ0.2≥/MPa|500℃: -
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (diameter): 5.50mm to 700mm
Square bar / Flat bar: 10mm to 700mm
Plate / Sheet steel / Steel strip: 0.5mm to 1000mm
Width: 8mm to 1000mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, other different shapes based on OEM.
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 nut.
Multidiameter shaft and 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
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