W-Nr 1.2631
2014-10-18 08:45:44 Origin： Remark：0 Click：
Description 1.2631 Suppliers, Inventory X50CrMoW9-1-1 Round bar, Ex-stock 1.2631 Specifications - ISO 4597 Properties from Steel melting, ESR melted
ALLOY TOOL STEEL DIN X50CrMoW9-1-1 / W-Nr 1.2631
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.
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 (mass weight - %)
Carbon, C (％): 0.45 ~ 0.55
Silicon, Si (％): 0.80 ~ 1.00
Manganese, Mn (％): 0.40 ~ 0.60
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.035
Chromium, Cr (％): 8.00 ~ 9.00
Molybdenum, Mo (％): 1.10 ~ 1.30
Vanadium, V (％): -
Tungsten, W (％): 1.10 ~ 1.30
Silicon, Si (％): 0.80 ~ 1.00
Manganese, Mn (％): 0.40 ~ 0.60
Phosphorus, P (％)≤: 0.035
Sulfur, S (％)≤: 0.035
Chromium, Cr (％): 8.00 ~ 9.00
Molybdenum, Mo (％): 1.10 ~ 1.30
Vanadium, V (％): -
Tungsten, W (％): 1.10 ~ 1.30
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃: 1100～850
Annealing temperature /℃: 750～800
Hardness after annealing ≤HBW: 230
Annealing temperature /℃: 750～800
Hardness after annealing ≤HBW: 230
Quenching temperature /℃: 1020～1050
Cooling medium: oil
Common tempering temperature /℃: 180～300
Hardness after tempering at temperature HRC|100℃: 58
Hardness after tempering at temperature HRC|200℃: 57
Hardness after tempering at temperature HRC|300℃: 56
Hardness after tempering at temperature HRC|400℃: 55
Cooling medium: oil
Common tempering temperature /℃: 180～300
Hardness after tempering at temperature HRC|100℃: 58
Hardness after tempering at temperature HRC|200℃: 57
Hardness after tempering at temperature HRC|300℃: 56
Hardness after tempering at temperature HRC|400℃: 55
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.
PRODUCT PROFILE & DIMENSIONS
Round bar / Disc (diameter): 5.5mm to 600mm
Square bar / Flat bar: 10mm to 1000mm
Plate / Sheet steel / Steel strip: 0.1mm to 1500mm
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.
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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