DIN 25CrMo4
2015-02-09 11:50:28 Origin： Remark：0 Click：
25CrMo4 is available in round bar, flat bar, ring, shaft and forging piece. Grade 1.7218 is offered from ESR, blooming, hot forging,rolling, heat treatment, straightened, ultrasonic test, cold working,machined. Technical standards - DIN SEW 028 (1993), DIN EN 10216-2 (2004).
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL DATA SHEET - DIN 25CrMo4 & W-Nr 1.7218
MATERIAL CATEGORY: high temperature pressure vessel steel
MATERIAL SPECIFICATIONS: DIN SEW 028 (1993), DIN EN 10216-2 (2004)
CHEMICAL COMPOSITION (Mass weight %)
C (％): 0.22 ~ 0.29
Si (％): ≤ 0.40
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.035
Cr (％): 0.90 ~ 1.20
Mo (％): 0.15 ~ 0.30
Si (％): ≤ 0.40
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.035
S (％)≤: 0.035
Cr (％): 0.90 ~ 1.20
Mo (％): 0.15 ~ 0.30
MECHANICAL PROPERTIES - UNDER ROOM TEMPERATURE
Condition: quenched and tempered
Tensile strength σb≥/MPa: 540～690
Yield strength σs≥/MPa: 345
Elongation δ5≥(%): 18
AKV≥/J: 55
Annealed hardness HBS: 160～205
Yield strength σs≥/MPa: 345
Elongation δ5≥(%): 18
AKV≥/J: 55
Annealed hardness HBS: 160～205
HOT WORKING AND HEAT TREATMENT
Hot working temperature /℃: 1100～850
Annealing temperature /℃: 680～730
Quenching temperature /℃: 880～920
Cooling medium: Oil or Air quenched
Annealing temperature /℃: 680～730
Quenching temperature /℃: 880～920
Cooling medium: Oil or Air quenched
Tempering temperature /℃: 620～650
AVAILABLE SHAPES
Plate /Steel strip /sheet / bar / shaft
Bright - milling, polishing, cold machined/finished.
Plate /Steel strip /sheet / bar / shaft
Bright - milling, polishing, cold machined/finished.
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.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners.
Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut.
Multidiameter shaft, Pressure vessel.
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.
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners.
Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut.
Multidiameter shaft, Pressure vessel.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers
PRODUCT PROFILE
Round bar (Diameter): 5.5 to 800mm
Square bar / Flat bar: 10 to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Round bar (Diameter): 5.5 to 800mm
Square bar / Flat bar: 10 to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Sheet steel via cold rolled: T0.5 - 6mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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