X48CrMoV8-1-1
2014-11-12 20:11:41 Origin： Remark：0 Click：
Specifications X48CrMoV8-1-1 datasheet, X48CrMoV8-1-1 Chemical, X48CrMoV8-1-1 Properties from Steelmelting (ESR refined), Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
MATERIAL DATA SHEET - DIN X48CrMoV8-1-1
MATERIAL SPECIFICATIONS - EN ISO 4957: 2000 , DIN 17350 (1980)
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.45 ~ 0.50
Si (％): 0.70 ~ 0.90
Mn (％): 0.35 ~ 0.45
P (％)≤: 0.020
S (％)≤: 0.005
Cr (％): 7.30 ~ 7.80
Mo (％): 1.30 ~ 1.50
V (％): 1.30 ~ 1.50
Si (％): 0.70 ~ 0.90
Mn (％): 0.35 ~ 0.45
P (％)≤: 0.020
S (％)≤: 0.005
Cr (％): 7.30 ~ 7.80
Mo (％): 1.30 ~ 1.50
V (％): 1.30 ~ 1.50
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working tenperature /℃: 1000～800
Annealing temperature /℃: 830～860
Hardness after annealing ≤HBW: 240
Quenching temperature /℃: 1070~1100
Cooling medium: oi
Common tempering temperature /℃: 550~700
Hardness after tempering at temperature /MPa |400℃: 2330
Annealing temperature /℃: 830～860
Hardness after annealing ≤HBW: 240
Quenching temperature /℃: 1070~1100
Cooling medium: oi
Common tempering temperature /℃: 550~700
Hardness after tempering at temperature /MPa |400℃: 2330
Hardness after tempering at temperature /MPa |500℃: 2370
Hardness after tempering at temperature /MPa |600℃: 1620
Hardness after tempering at temperature /MPa |650℃: 1270
Hardness after tempering at temperature /MPa |600℃: 1620
Hardness after tempering at temperature /MPa |650℃: 1270
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 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 CATEGORY - Hot work alloy tool steel
Hot-work die steel 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.
AVAILABLE SHAPES
Round bar / flat bar / square bar / hollow bar / plate / forgings
Bright - peeled + polishing /centerless grinding / peeled + slidabrading
Forged - ring /tube /pipe casing /discs /shaft
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
PROFILE AND DIMENSIONS
Round bar / Wire rod (Diameter): 5.5mm to 450mm
Square bar / Flat bar: 3mm to 500mm
Length: fixed length, random length or based on the customer's special requirement.
Square bar / Flat bar: 3mm to 500mm
Length: fixed length, random length or based on the customer's special requirement.
Plate: T60mm X W50 - 1200mm X L 1000 - 7000mm
Sheet steel: T0.50-6.00mm X W1000mm X L1000/2000mm, or in coil from
Steel strip: T0.1 - 3.00mm X W8 - 600mm, in coil form
Sheet steel: T0.50-6.00mm X W1000mm X L1000/2000mm, or in coil from
Steel strip: T0.1 - 3.00mm X W8 - 600mm, in coil form
( T=thickness, W=width, L=length )
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /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.- E-mail: sales@ccsteels.com
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