1.2436
2014-10-04 19:24:28 Origin： Remark：0 Click：
Cold work alloy tool steel 1.2436 Round bar, flat bar, X210CrW12 Plate ESR melted, Hot forging / hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working & machining.
DIN X210CrW12 & W-Nr 1.2436 - MATERIAL 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)
PROFILE AND DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Plate / Sheet steel / Steel strip: 0.1mm to 300mm
Width: 8mm to 1200mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts, other different shapes based on OEM.
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): 2.00 ~ 2.25
Silicon, Si (％): 0.10 ~ 0.40
Manganese, Mn (％): 0.15 ~ 0.45
Phosphorus, P (％)≤: 0.030
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): 11.0 ~ 12.0
Molybdenum, Mo (％): -
Vanadium, V (％): -
Tungsten, W (％): 0.60 ~ 0.80
Silicon, Si (％): 0.10 ~ 0.40
Manganese, Mn (％): 0.15 ~ 0.45
Phosphorus, P (％)≤: 0.030
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): 11.0 ~ 12.0
Molybdenum, Mo (％): -
Vanadium, V (％): -
Tungsten, W (％): 0.60 ~ 0.80
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃: 1000～850
Annealing temperature /℃: 800～830
Hardness after annealing ≤HBW: 255
Annealing temperature /℃: 800～830
Hardness after annealing ≤HBW: 255
Quenching temperature /℃: 930～980
Cooling medium: water
Common tempering temperature /℃: 180～250
Hardness after tempering at temperature HRC|100℃: 63
Hardness after tempering at temperature HRC|200℃: 62
Hardness after tempering at temperature HRC|300℃: 60
Hardness after tempering at temperature HRC|400℃: 58
Cooling medium: water
Common tempering temperature /℃: 180～250
Hardness after tempering at temperature HRC|100℃: 63
Hardness after tempering at temperature HRC|200℃: 62
Hardness after tempering at temperature HRC|300℃: 60
Hardness after tempering at temperature HRC|400℃: 58
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. E-mail: sales@ccsteels.com
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