DIN P235GH
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※DINP235GH/ W-Nr 1.0345 - DATA SHEET ※High temperature structuralsteelTYPICAL APPLICATIONSMechanical gears, gear sha...
※ DIN P235GH / W-Nr 1.0345 - DATA SHEET ※
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
CHEMICAL COMPOSITION (WEIGHT %)
C(％): ≤0.16
Si(％): ≤0.35
Mn(％): 0.40～1.20
P(％)≤: 0.030
S(％)≤: 0.025
Cr(％): ≤0.30
Mo(％): ≤0.08
Ni(％): ≤0.30
Other(％): Cu≤0.30；Al≤0.020；Nb≤0.01；Ti≤0.03；V≤0.02
Si(％): ≤0.35
Mn(％): 0.40～1.20
P(％)≤: 0.030
S(％)≤: 0.025
Cr(％): ≤0.30
Mo(％): ≤0.08
Ni(％): ≤0.30
Other(％): Cu≤0.30；Al≤0.020；Nb≤0.01；Ti≤0.03；V≤0.02
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealing / normalizing : 890～950
Heat treatment temperature /℃|quenching: —
Heat treatment temperature /℃|tempering: —
HBS: 105～140
(≥)|σb/MPa: 350～480
(≥)|σs/MPa: 215
(≥)|δ5(%): 25
(≥)|AKV/J: 47
Heat treatment temperature /℃|annealing / normalizing : 890～950
Heat treatment temperature /℃|quenching: —
Heat treatment temperature /℃|tempering: —
HBS: 105～140
(≥)|σb/MPa: 350～480
(≥)|σs/MPa: 215
(≥)|δ5(%): 25
(≥)|AKV/J: 47
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Yield strength σ0.2≥/MPa|200℃: 170
Yield strength σ0.2≥/MPa|300℃: 130
Yield strength σ0.2≥/MPa|350℃: 120
Yield strength σ0.2≥/MPa|400℃: 110
Yield strength σ0.2≥/MPa|450℃: 95
Yield strength σ0.2≥/MPa|500℃: —
Yield strength σ0.2≥/MPa|300℃: 130
Yield strength σ0.2≥/MPa|350℃: 120
Yield strength σ0.2≥/MPa|400℃: 110
Yield strength σ0.2≥/MPa|450℃: 95
Yield strength σ0.2≥/MPa|500℃: —
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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