1.7711
2014-10-11 10:21:39 Origin： Remark：0 Click：
1.7711 (ASTM A193 Gr.B16) is widely used in the field of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components.
TECHNICAL SPECIFICATION DATASHEET - Grade DIN 1.7711
MATERIAL CATEGORY - High temperature structural steel
PRODUCT DESCRIPTION
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 - heat treatment / QT
MATERIAL SPECIFICATIONS - DIN EN 10028-2 (2003), DIN 17755 (1983)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.36 ~ 0.44
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.35 ~ 0.85
Phosphorus, P (％)≤: 0.030
Sulfur, S (％)≤: 0.035
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): 0.60 ~ 0.75
Nickel, Ni (％): -
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.35 ~ 0.85
Phosphorus, P (％)≤: 0.030
Sulfur, S (％)≤: 0.035
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): 0.60 ~ 0.75
Nickel, Ni (％): -
Vanadium, V (%): 0.25 ~ 0.35
Other (％): Al ≤ 0.015
Other (％): Al ≤ 0.015
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100 ~ 850
Heat treatment temperature /℃|annealing / normalizing: 650~720
Heat treatment temperature /℃|quenching: 880~930 oil
Heat treatment temperature /℃|tempering: 670~730
Hardness HBW: 250 ~ 295
Tensile strenght, ≥ σb / MPa: 850～1000
Yield strength, ≥ σs MPa: 700
Elongation, ≥ δ5 (%): 14.0
Reduction of area, ≥ AK / J: 41
Heat treatment temperature /℃|annealing / normalizing: 650~720
Heat treatment temperature /℃|quenching: 880~930 oil
Heat treatment temperature /℃|tempering: 670~730
Hardness HBW: 250 ~ 295
Tensile strenght, ≥ σb / MPa: 850～1000
Yield strength, ≥ σs MPa: 700
Elongation, ≥ δ5 (%): 14.0
Reduction of area, ≥ AK / J: 41
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Yield strength σ0.2≥/MPa|200℃: 635
Yield strength σ0.2≥/MPa|300℃: 598
Yield strength σ0.2≥/MPa|350℃: 578
Yield strength σ0.2≥/MPa|400℃: 540
Yield strength σ0.2≥/MPa|450℃: 500
Yield strength σ0.2≥/MPa|500℃: 460
Yield strength σ0.2≥/MPa|300℃: 598
Yield strength σ0.2≥/MPa|350℃: 578
Yield strength σ0.2≥/MPa|400℃: 540
Yield strength σ0.2≥/MPa|450℃: 500
Yield strength σ0.2≥/MPa|500℃: 460
PROFILE AND DIMENSIONS AVAILABLE
Round bar / Disc (diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 600mm
Plate / Sheet steel / Steel strip: 0.5mm to 200mm
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 field 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, 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. Email: sales@ccsteels.com
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