1.5122
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DIN EN 10083-2 Technical Specifications Hardened steel 1.5122 round bar, Flat bar, Plate 1.5122 Hot blooming, Hot forging & Rolling, Heat treatment
MATERIAL DATA SHEET - W-Nr 1.5122
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.
Final heat treatment - Quenched and tempered.
MATERIAL SPECIFICATIONS - DIN EN 10083-2 (2006), DIN 17200 (1987)
CHEMICAL COMPOSITION (mass weight - %)
Carbon, C (％): 0.33 ~ 0.41
Silicon, Si (％): 1.10 ~ 1.40
Manganese, Mn (％): 1.10 ~ 1.40
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.035
Chromium, Cr (％): -
Molybdenum, Mo (％): -
Nickel, Ni (％): -
Silicon, Si (％): 1.10 ~ 1.40
Manganese, Mn (％): 1.10 ~ 1.40
Phosphorus, P (％) ≤: 0.035
Sulfur, S (％) ≤: 0.035
Chromium, Cr (％): -
Molybdenum, Mo (％): -
Nickel, Ni (％): -
Hot working temperature /℃: 1050～850
Heat treatment temperature /℃| annealing: 680～720
Heat treatment temperature /℃| Normalizing: 850～880
Heat treatment temperature /℃| Quenching: 820～850 oil
Heat treatment temperature /℃| Tempering : 550～660
Hardness after annealing ≤HBS: 217
Heat treatment temperature /℃| annealing: 680～720
Heat treatment temperature /℃| Normalizing: 850～880
Heat treatment temperature /℃| Quenching: 820～850 oil
Heat treatment temperature /℃| Tempering : 550～660
Hardness after annealing ≤HBS: 217
Steel dimension /mm: ≤16
TS, |σb≥/MPa: 1030 ~ 1230
YS, |σs≥/MPa: 835
EL, |δ5≥/(%): 11.0
RA, |ψ≥/(%): 35.0
Impact, |AKV≥/J: 27
TS, |σb≥/MPa: 1030 ~ 1230
YS, |σs≥/MPa: 835
EL, |δ5≥/(%): 11.0
RA, |ψ≥/(%): 35.0
Impact, |AKV≥/J: 27
Steel dimension /mm: 17 - 40
|σb≥/MPa: 930 ~ 1130
|σs≥/MPa: 735
|δ5≥/(%): 12.0
|σb≥/MPa: 930 ~ 1130
|σs≥/MPa: 735
|δ5≥/(%): 12.0
|ψ≥/(%): 40.0
|AKV≥/J: 34
|AKV≥/J: 34
Steel dimension /mm: 41 - 100
|σb≥/MPa: 830 ~ 930
|σs≥/MPa: 635
|δ5≥/(%): 14.0
|ψ≥/(%): 45.0
|AKV≥/J: 34
|σb≥/MPa: 830 ~ 930
|σs≥/MPa: 635
|δ5≥/(%): 14.0
|ψ≥/(%): 45.0
|AKV≥/J: 34
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, Pressure vessel.
PRODUCT PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 10mm to 1000mm
Plate / Sheet steel / Steel strip: 0.1mm to 1000mm
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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