25CrMo4
2014-11-07 15:57:38 Origin： Remark：0 Click：
DIN EN 10083-2 Material Specification Hardened Steel 25CrMo4 Round bar, Flat bar, Shaft, and forging 1.7218 Properties, Hot forging & Rolling, Heat treated
TECHNICAL DATA SHEET - DIN 25CrMo4
MATERIAL CATEGORY: hardened and tempered steel
MATERIAL SPECIFICATIONS - DIN EN 10083-2 (2006), DIN 17200 (1987)
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): 0.22 ~ 0.29
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.60 ~ 0.90
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.020
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): 0.15 ~ 0.30
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1050～850
Heat treatment temperature /℃| annealing: 680~720
Heat treatment temperature /℃| Normalizing: 840~880
Heat treatment temperature /℃| Quenching: 830~860 Oil
Heat treatment temperature /℃| Tempering : 540~680
Hardness after annealing ≤HBS: 255
Steel dimension /mm: ≤16
Tensile strength, Rm ≥ MPa: 900 ~ 1100
Yield strength, Rp0.2 ≥ MPa: 700
Elongation, A5 ≥ (%): 12
Reduction of area, Z ≥ (%): 50
Impact strength, AKv ≥ J: 50
Steel dimension /mm: 17 - 40
|σb≥/MPa: 800 ~ 950
|σs≥/MPa: 600
|δ5≥/(%): 14
|ψ≥/(%): 55
|AKV≥/J: 55
Steel dimension /mm: 41 - 100
|σb≥/MPa: 700 ~ 850
|σs≥/MPa: 450
|δ5≥/(%): 15
|ψ≥/(%): 60
|AKV≥/J: 55
PRODUCT PROFILE & DIMENSION
Round bar / Disc (diameter): 5.5mm to 800mm
Square bar / Flat bar: 6mm to 650mm
Plate / Steel strip: 2mm to 1000mm
Steel sheet: thickness 0.50 ~ 3.0mm, width 1000mm X length 1000/2000mm - Standard size
Length: random length or based on the customer's special requirement
Forged steel shape: stepped shafts or other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to Email (sales@ccsteels.com) or call our resident team of qualified production engineers.
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