1.2344 / X40CrMoV5-1 datasheet,1.2344 / X40CrMoV5-1 chemical,1.2344 / X40CrMoV5-1 heat treatment
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1.2344 / X40CrMoV5-1
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Material technical specifications of DIN X40CrMoV5-1 hot work tool steel, X40CrMoV5-1 Chemical composition, X40CrMoV5-1 Mechanical properties from steelmaking, X40CrMoV5-1 forging,rolling, heat treatment,cold working. We also possess advanced precision machining equipments for further processing
DATA SHEET - ALLOY TOOL STEEL X40CrMoV5-1 & W-Nr 1.2344
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.
MATERIAL SPECIFICATIONS  
EN ISO 4957: 2000 , DIN 17350 (1980)
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
CHEMICAL COMPOSITION (WEIGHT %)
C (%):     0.37 ~ 0.42
Si (%):    0.90 ~ 1.20
Mn (%):   0.30 ~ 0.50
P (%)≤:   0.030
S (%)≤:   0.030
Cr (%):    4.80 ~ 5.50
Mo (%):   1.20 ~ 1.50
V (%):     0.90 ~ 1.10 
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃: 1100~900
Annealing temperature /℃: 750~780
Hardness after annealing ≤HBW:  235
Quenching temperature /℃:  1020~1060
Cooling medium: oil or air
Common tempering temperature /℃:  550~650
Hardness after tempering at temperature /MPa |400℃:   -
Hardness after tempering at temperature /MPa |500℃:   2060
Hardness after tempering at temperature /MPa |600℃:   1620
Hardness after tempering at temperature /MPa |650℃:   1320
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
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

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
PRODUCT STOCK
Round bar: Diameter 90 ~ 600mm
Flat bar: T80 ~ 600 X W80 ~ 1200

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