1.8070 datasheet,1.8070 chemical,1.8070 heat treatment

1.8070
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Description 1.8070 Inventory, Round bar 1.8070 Stocklist, Ex-stock 1.8070 Suppliers Properties from Steelmaking, ESR melted, Blooming, Hot forging Rolling, Heat treat, Straightening, 100% Ultrasonic test, Cold working or Machined. Technical specification - DIN 10028-2. We also possess the advanced precision machining equipments for further processing. Please just let us know what you inquire.
TECHNICAL DATA SHEET - W-Nr 1.8070
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 - heat treatment / QT 
MATERIAL SPECIFICATIONS - DIN EN 10028-2 (2003), DIN 17755 (1983) 
CHEMICAL COMPOSITION (Mass Weight - %)
C (%):     0.17 ~ 0.25
Si (%):     0.30 ~ 0.60
Mn (%):   0.30 ~ 0.60
P (%)≤:   0.035
S (%)≤:   0.035
Cr (%):    1.20 ~ 1.50
Mo (%):   1.00 ~ 1.20
Ni (%):    ≤ 0.60
V (%):     0.25 ~ 0.35
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃:    1100~850
Heat treatment temperature /℃|annealing / normalizing:   650~740
Heat treatment temperature /℃|quenching:    900~950  Oil or Air
Heat treatment temperature /℃|tempering:    680~740
HBW:    205~250
(≥)|σb/MPa:  690~830
(≥)|σs/MPa:   540
(≥)|δ5(%):    16
(≥)|AKV/J:     55   
    
         
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Yield strength σ0.2≥/MPa|200℃:    510
Yield strength σ0.2≥/MPa|300℃:    481
Yield strength σ0.2≥/MPa|350℃:    461
Yield strength σ0.2≥/MPa|400℃:    431
Yield strength σ0.2≥/MPa|450℃:    402
Yield strength σ0.2≥/MPa|500℃:    373
AVAILABLE SHAPES  
Round bar / flat bar / Square bar / strip / plate / forgings
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
PROFILE & DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 500mm
Plate / Sheet steel / Steel strip: 0.5mm to 1000mm
Width: 8mm to 1200mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /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
Pressure vessel, seamless pipe
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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