55CNDV4
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Technical data sheet France standards Hot work alloy tool steel 55CNDV4 datasheet, 55CNDV4 Chemical compositions, 55CNDV4 Mechanical property from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining. Technical specification - NF A35-590 1992. We also possess the advanced precision machining equipments for catering for your different special requirements.
TECHNICAL DATA SHEET: 55CNDV4
OFFICIAL TEST REPORT: issued by TUV - SGS - BV
MATERIAL CATEGORY: hot work alloy tool steel
MATERIAL SPECIFICATIONS: NF A35-590 1992
CHEMICAL COMPOSITION (WEIGHT - %)
C (％): 0.50~0.60
Si (％): 0.10~0.40
Mn (％): 0.60~1.00
P (％)≤: 0.030
S (％)≤: 0.030
Cr (%): 0.85~1.15
Mo (％): 0.30~0.50
Ni (%): 0.45~0.75
V (%): 0.15~0.35
P (％)≤: 0.030
S (％)≤: 0.030
Cr (%): 0.85~1.15
Mo (％): 0.30~0.50
Ni (%): 0.45~0.75
V (%): 0.15~0.35
TECHNICAL SPECIFICATIONS FOR HOT WORK ALLOY TOOL STEEL
Hardness after annealing ≤HBW: 248
Quenching temperature ℃: 850
Hardness after annealing ≤HBW: 248
Quenching temperature ℃: 850
Cooling medium: Oil cooled
Tempering temperature ℃: 500
Hardness value after tempered /≥ HRC: 43
HOT WORKING AND HEAT TREATMENT OF HOT WORK ALLOY TOOL STEEL
Hot working temperature ℃: 1050~850
Full annealing temperature ℃: 750~780
Quenching temperature ℃: 850~880
Cooling medium: oil
MELTING PROCESS
This alloy is generally smelt in electric arc furnace (EAF ) or IFF + VD, LF + Electroslag remelting (ESR).
For a purpose of higher quality, it should be smelt via technology of vacuum refining.
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.
Cutlery for medical equipments
Cutting tools
Mechanical parts
Air hammer tools
Piercing tools
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.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar (Diameter): 0.50mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
This alloy is generally smelt in electric arc furnace (EAF ) or IFF + VD, LF + Electroslag remelting (ESR).
For a purpose of higher quality, it should be smelt via technology of vacuum refining.
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.
Cutlery for medical equipments
Cutting tools
Mechanical parts
Air hammer tools
Piercing tools
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.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar (Diameter): 0.50mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers.
- Email us: lh.steel@hotmail.com
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