TOCT 14959 Gr.65
2016-12-29 10:22:17 Origin： Remark：0 Click：
Material standard specification of TOCT 14959 type 65 data sheet, TOCT 14959 Grade 65 Chemical compositions, TOCT 14959 Gr.65 Mechanical properties from Steel making, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3. Cold working, Peeled or rough turned machining. Material technical specification TOCT 14959 - 1979.
TECHNICAL SPECIFICATION - TOCT 14959 Grade 65
TECHNICAL SPECIFICATION: TOCT 14959 - 1979
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: Spring steel
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.62 ~ 0.70
Si (％): 0.17 ~ 0.37
Mn (％): 0.50 ~ 0.80
P (％) ≤: 0.035
S (％) ≤: 0.035
Cr (％): ≤ 0.25
Ni (％): ≤ 0.25
Cu (％): ≤ 0.20
MECHANICAL PROPERTIES
Annealed hardness | HBW: 255 max.
Heat treatment: Quenching 830 Deg. oil cooling
Tempering 470 Deg.
Tensile strength,σb/≥ MPa: 981
Yield strength, σ0.2/≥ MPa: 785
Elongation, δ ≥(％): 10.0
Reduction of area, ф ≥ (％): 35.0
MANUFACTURING TECHNIQUE
General spring steels are produced in electric furnace, open hearth furnace, oxygen converter,and high quality spring steel of higher quality or special performance can be made in electro slag furnace or vacuum furnace.
PROCESSING PROPERTY
Spring Steel is commonly used in the condition of impact, vibration, or long-term stress. which makes the spring steel require higher tensile strength, limit of elasticity, fatigue strength. also requirement of definite hardenability, good surface quality, not easy decarburization.
PRODUCT FORMS AVAILABLE
Round bar (Diameter): 5.50mm to 800mm
Square bar / Flat bar: 3mm to 500mm
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Sheet steel via cold rolled: T0.5 - 6mm X W600- 1000mm X L1000 - 2000mm
Steel strip via cold rolled: T0.1 - 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
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