DIN P265GH
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※DINP265GH/ W-Nr 1.0425 - DATA SHEET ※High temperature structuralsteelTYPICAL APPLICATIONSMechanical gears, gear sha...
※ DIN P265GH / W-Nr 1.0425 - DATA SHEET ※
MATERIAL CATEGORY
High temperature structural steel
TYPICAL APPLICATIONS
Mechanical gears, gear shaft, main axis, valve rod
Mechanical parts - connecting rod, bolt and nut
Multidiameter shaft
Pressure vessel, seamless pipe
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 softened condition.
Final heat treatment - heat treatment / QT
MATERIAL SPECIFICATIONS
※ DIN EN 10028-2 (2003), DIN 17755 (1983)
AVAILABLE SHAPES
Black bar /Flat bar / Square bar /Pipe, /Steel strip, /sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
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.
CHEMICAL COMPOSITION (WEIGHT %)
C(％): ≤0.20
Si(％): ≤0.40
Mn(％): 0.50～1.40
P(％)≤: 0.030
S(％)≤: 0.025
Cr(％): ≤0.30
Mo(％): ≤0.08
Ni(％): ≤0.30
Other(％): Cu≤0.30①；Al≤0.020；Nb≤0.01；Ti≤0.03；V≤0.02
Si(％): ≤0.40
Mn(％): 0.50～1.40
P(％)≤: 0.030
S(％)≤: 0.025
Cr(％): ≤0.30
Mo(％): ≤0.08
Ni(％): ≤0.30
Other(％): Cu≤0.30①；Al≤0.020；Nb≤0.01；Ti≤0.03；V≤0.02
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Heat treatment temperature /℃|annealing / normalizing : 890～950
Heat treatment temperature /℃|quenching: —
Heat treatment temperature /℃|tempering: —
HBS: 120～155
(≥)|σb/MPa: 410～530
(≥)|σs/MPa: 245
(≥)|δ5(%): 23
(≥)|AKV/J: 47
Heat treatment temperature /℃|quenching: —
Heat treatment temperature /℃|tempering: —
HBS: 120～155
(≥)|σb/MPa: 410～530
(≥)|σs/MPa: 245
(≥)|δ5(%): 23
(≥)|AKV/J: 47
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Yield strength σ0.2≥/MPa|200℃: 195
Yield strength σ0.2≥/MPa|300℃: 155
Yield strength σ0.2≥/MPa|350℃: 140
Yield strength σ0.2≥/MPa|400℃: 130
Yield strength σ0.2≥/MPa|450℃: 115
Yield strength σ0.2≥/MPa|500℃: —
Yield strength σ0.2≥/MPa|300℃: 155
Yield strength σ0.2≥/MPa|350℃: 140
Yield strength σ0.2≥/MPa|400℃: 130
Yield strength σ0.2≥/MPa|450℃: 115
Yield strength σ0.2≥/MPa|500℃: —
INVENTORY - FORGE PIECE
OD: 250mm / ID: 130mm
LENGTH: 450mm
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to email or call our resident team of qualified production engineers.
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 0.50mm to 3000mm
Square bar / Flat bar: 3mm to 2000mm
Plate / Sheet steel / Steel strip: 0.1mm to 2500mm
Width: 8mm to 2500mm
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.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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