1.2361
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DIN X91CrMoV18 / W-Nr 1.2361 - RAW MATERIAL DATA SHEET
MATERIAL CATEGORY: Cold work alloy tool steel 
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 condition.
Final heat treatment - heat treatment / QT 
MATERIAL SPECIFICATIONS  -  EN ISO 4957: 2000 , DIN 17350 (1980)
AVAILABLE SHAPES  
Round bar / flat bar / forgings / plate 
Bright - peeled + polishing /centerless grinding / peeled + slidabrading
Forged - ring /tube /pipe casing /discs /shaft
PRODUCT PROFILE & DIMENSINS
Round bar / Disc (diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 600mm
Plate / Sheet steel / Steel strip: 0.1mm to 300mm
Width: 8mm to 1500mm
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 (％): 0.86 ~ 0.96
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): ≤ 1.00
Phosphorus, P (％) ≤: 0.045
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 17.0 ~ 19.0
Molybdenum, Mo (％): 0.90 ~ 1.30
Vanadium, V (％): 0.07 ~ 0.12
Nickel, Ni (％): ≤ 0.30
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃:  1100～850
Annealing temperature /℃:    800～850
Hardness after annealing ≤HBW:  265
Quenching temperature /℃:  1000～1050
Cooling medium: oil
Common tempering temperature /℃:  180~300
Hardness after tempering at temperature HRC|100℃:   58
Hardness after tempering at temperature HRC|200℃:   56
Hardness after tempering at temperature HRC|300℃:   54
Hardness after tempering at temperature HRC|400℃:   54
INVENTORY - hot rolled bar
Diameter: 40 / 55 / 68// mm, Quantity: 5548 kg
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