65MnCrMo4
2014-11-09 10:00:06 Origin： Remark：0 Click：
Specifications 65MnCrMo4 data sheet, 65MnCrMo4 Chemical, 65MnCrMo4 Properties Steelmaking, ESR melted, Blooming, Hot forging & rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or rough turned machining. Technical specifications - ISO 4597 - 2001. We also possess the advanced precision machining equipments for catering for your different special requirements.
TECHNICAL DATA SHEET - DIN 65MnCrMo4
MATERIAL SPECIFICATIONS - EN ISO 4957: 2001 , DIN 17350 (1980)
CHEMICAL COMPOSITION (WEIGHT %)
C(％): 0.60 ~ 0.68
Si(％): 0.30 ~ 0.50
Mn(％): 1.00 ~ 1.20
P(％)≤: 0.035
S(％)≤: 0.035
Cr(％): 0.60 ~ 0.80
Mo(％): 0.20 ~ 0.30
V(％): -
Si(％): 0.30 ~ 0.50
Mn(％): 1.00 ~ 1.20
P(％)≤: 0.035
S(％)≤: 0.035
Cr(％): 0.60 ~ 0.80
Mo(％): 0.20 ~ 0.30
V(％): -
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃: 1050～850
Annealing temperature /℃: 700～750
Hardness after annealing ≤HBW: 215
Annealing temperature /℃: 700～750
Hardness after annealing ≤HBW: 215
Quenching temperature /℃: 850～880
Cooling medium: oil or air
Common tempering temperature /℃: 640~700
Hardness after tempering at temperature HRC|400℃: -
Hardening value after tempering at temperature HRC|500℃: -
Hardening value after tempering at temperature HRC|600℃: 1280
Hardening value after tempering at temperature HRC|650℃: 1170
Cooling medium: oil or air
Common tempering temperature /℃: 640~700
Hardness after tempering at temperature HRC|400℃: -
Hardening value after tempering at temperature HRC|500℃: -
Hardening value after tempering at temperature HRC|600℃: 1280
Hardening value after tempering at temperature HRC|650℃: 1170
HEAT TREATTMENT PRACTICE
The preheating of measuring and cutting tool steel is spheroidizing annealing, final heat treatment is quenching + low temperature tempering and hardness after heat treatment can reach 60~65HRC. When heat treat tool steel grades consideration should be given to hardening temperature, including ratio of heating, cooling and soaking times which will differ due to factors such as the shape and size of each chemical component. Other considerations during heat treatment include the type of furnace, quenching medium and work piece transfer facilities.
The preheating of measuring and cutting tool steel is spheroidizing annealing, final heat treatment is quenching + low temperature tempering and hardness after heat treatment can reach 60~65HRC. When heat treat tool steel grades consideration should be given to hardening temperature, including ratio of heating, cooling and soaking times which will differ due to factors such as the shape and size of each chemical component. Other considerations during heat treatment include the type of furnace, quenching medium and work piece transfer facilities.
TYPICAL APPLICATIONS
Alloy tool steel is widely used to produce the cutting tool, cold/heat distortion mould and measuring implements,
and further to manufacture the piston, valve, valve seat of fuel pump of diesel engine.
Cutting tools
Mechanical parts
Air hammer tools
Piercing tools
PRODUCT DESCRIPTION
The alloy is usually produced by EAF /VD /LF /IFF 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 (peeling or centreless grinding) in the softened = SA condition.
Final heat treatment - heat treatment / spheroidizing annealing
AVAILABLE SHAPES
Round bar / flat bar / square bar / forgings / plate
Bright - peeled + polishing /centerless grinding / peeled + slidabrading
Forged - ring /tube /pipe casing /discs /shaft
MATERIAL CATEGORY: Hot work alloy tool steel
Hot-work die divides into several main types, such as hammer forging, die forging, extrusion and die casting, including hot forging die, press machine forging die, stamping die, hot-extrusion die, metal die-casting mould. Heat distortion mould not only supports huge mechanical stress, but also thermal stress during working repeatedly. Hot-work die steel should have not only high hardness, red hardness, abrasion resistance, toughness, but also have excellent high temperature strength, thermal fatigue stability, thermal conductivity, upper hardenability for guaranteeing the whole cross section with consistent mechanical property. Steel material commonly used are DIN X35CrMoV5-1-1, DIN 1.2344, DIN X20CoCrWMo10-9 (W-Nr 1.2888), DIN X45NiCrMo4, DIN 60NiCrMoV12-4 (W-Nr.1.2743), DIN X13NiCrSi36-16.
FORMS AND DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 3mm to 1000mm
Plate / Sheet steel / Steel strip: 0.1mm to 500mm
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.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com
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