DIN X155CrVMo12-1 datasheet,DIN X155CrVMo12-1 chemical,DIN X155CrVMo12-1 heat treatment
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DIN X155CrVMo12-1
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※DINX155CrVMo12-1 / W-Nr 1.2379 - DATA SHEET ※※ MATERIALCATEGORY: Cold work alloytool steelCold work die include...
 DIN X155CrVMo12-1 / W-Nr 1.2379 - DATA SHEET
 
MATERIAL CATEGORY:  Cold work alloy tool steel 
Cold work die includes cold punching mould, wire-drawing die, drawing die, coining die, thread rolling die, cold heading die, cold extrusion die, Based on the working condition, cold work die should have the high hardness, strength, abrasion resistance, toughness, hardenability, quenching degree, and other processing property. This kind of alloy tool steel belongs to  high carbon alloy steel (carbon mass fraction is over 0.80%), Chromium is key element of alloy with mass fraction below 5% generally. 
 
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
 
MATERIAL SPECIFICATIONS  
   EN ISO 4957: 2000 , DIN 17350 (1980)
 
AVAILABLE SHAPES  
Black bar /Flat bar /Square bar 
Bright - peeled + polishing /centerless grinding / peeled + slidabrading
Forged - ring /tube /pipe casing /discs /shaft

CHEMICAL COMPOSITION (WEIGHT %) - DIN X155CrVMo12-1 / W-Nr 1.2379
C(%):    1.45~1.60
Si(%):    0.10~0.40
Mn(%):   0.15~0.45
P(%)≤:   0.030
S(%)≤:   0.030
Cr(%):    11.0~13.0
Mo(%):   0.60~0.80
V(%):     0.90~1.10
Other(%):    —
 
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃:  1000~850
Annealing temperature /℃:  830~850
Hardness after annealing ≤HBW:  250
Quenching temperature /℃:  1020~1040
Cooling medium: oil / air cooling
Common tempering temperature /℃:  180~250
Hardness after tempering at temperature HRC|100℃:   63
Hardness after tempering at temperature HRC|200℃:   61
Hardness after tempering at temperature HRC|300℃:   59
Hardness after temper
ing at temperature HRC|400℃:   58
 
INVENTORY - hot rolled bar
Diameter:   
50mm
Quantity:    12kg
 
 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.
Product engineer: Mr. Chen, Mr.Jiang
 
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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