BM15
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Technical Specification of BS 4659 - 1989 High Speed tool steel BM15 data sheet,BM15 Chemical compositions, BM15 Mechanical properties from Steelmaking, ESR melted,Hot blooming,BM15 Hot forging, Hot rolling,BM15 Heat treatment, Straightening, 100% Ultrasonic flaw test, Cold working, Peeled or rough turned machining. Technical specification - BS 4659-1989. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL DATA SHEET - BS BM15
MATERIAL CATEGORY: Molybdenum - Tungsten series High speed tool steel
MATERIAL SPECIFICATIONS: BS 4659-1989
MATERIAL SPECIFICATIONS: BS 4659-1989
CHEMICAL COMPOSITIONS (WEIGHT - %)
C (％): 1.45 ~ 1.60
C (％): 1.45 ~ 1.60
Si (％): ≤ 0.40
Mn (％): ≤ 0.40
P (％)≤: 0.030
S (％)≤: 0.030
P (％)≤: 0.030
S (％)≤: 0.030
Cr (%): 4.50 ~ 5.00
Mo (%): 2.75 ~ 3.25
W (%): 6.25 ~ 7.00
V (%): 4.75 ~ 5.25
Co (%): 4.50 ~ 5.50
HEAT TREATMENT PRACTICE AND HARDNESS
Annealing temperature /℃: 870 ~ 900
Annealed hardness, ≤ HB: 277
Quenching temperature /℃: 1210 ~ 1230
Cooling medium: Oil or Air
Tempering temperature /℃: 540 ~ 560
Hardness under tempered condition HV: 869 min.
Tempering temperature /℃: 540 ~ 560
Hardness under tempered condition HV: 869 min.
MELTING PROCESS
This alloy is generally smelt in Non-vacuum furnace + ESR, Electric Arc Furnace (EAF).
For a purpose of superior quality, it should be smelt via technology of Electroslag remelting or vacuum refining or by agreement.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar (Diameter): 0.30 to 450mm
Square bar / Flat bar: THK 3 to 500mm X Width 3 ~ 1200mm
This alloy is generally smelt in Non-vacuum furnace + ESR, Electric Arc Furnace (EAF).
For a purpose of superior quality, it should be smelt via technology of Electroslag remelting or vacuum refining or by agreement.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar (Diameter): 0.30 to 450mm
Square bar / Flat bar: THK 3 to 500mm X Width 3 ~ 1200mm
Wire rod (Diameter): 0.30 to 16mm
Steel strip: THK0.15 ~ 2.50 X W8.0 ~ 600mm
Length: Fixed length or random length or based on the customer's special requirement.
Steel strip: THK0.15 ~ 2.50 X W8.0 ~ 600mm
Length: Fixed length or random length or based on the customer's special requirement.
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
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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