NF HS7-6-3-12
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Material technical specifications of NF A35 - 590-1992 high speed tool steel NF HS7-6-3-12 data sheet,NF HS7-6-3-12 Chemical compositions, HS7-6-3-12 Mechanical properties 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. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
TECHNICAL DATA SHEET: NF HS7-6-3-12
MATERIAL CATEGORY: High speed tool steel
MATERIAL SPECIFICATIONS: NF A35 - 590-1992
OFFICIAL TEST REPORT: issued by TUV - SGS - BV
CHEMICAL COMPOSITIONS (WEIGHT - %)
C (％): 1.20 ~ 1.35
Si (％): ≤ 0.50
Mn (％): ≤ 0.40
P (％)≤: 0.030
S (％)≤: 0.030
Co (%): 11.25 ~ 12.25
Cr (%): 3.50 ~ 4.50
Mo (%): 6.00 ~ 6.50
V (%): 3.00 ~ 3.50
W (%): 6.75 ~ 7.75
MECHANICAL PROPERTY AND HARDNESS
Annealed hardness, ≤ HB: 295
Annealed hardness, ≤ HB: 295
Quenching temperature /℃: 1220, salt bath
Tempering temperature /℃: 550 X 3
Hardness in quenched condition, HRC: 66 min.
Hot working temperature /℃: -
Annealing temperature /℃: 860 ~ 880
Quenching temperature /℃: 1200 ~ 1240
Cooling medium: air / oil / bath salt
MELTING PROCESS
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, LF + Electroslag remelting (ESR).
For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar (Diameter): 6mm to 2000mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
MELTING PROCESS
This alloy is generally smelt in Electric Arc Furnace (EAF), EAF+LF+VD, LF + Electroslag remelting (ESR).
For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
PRODUCT PROFILE AND AVAILABLE FORMS
Round bar (Diameter): 6mm to 2000mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
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