A470 Grade E Class 9
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Standard specification for alloy steel forgings for turbine rotors and shafts ASTM A470 Grade E data sheet, A470 Grade E Class 9 Chemical compositions, Mechanical properties from Steelmaking, ESR melted, Blooming,A470 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, Polishing, Centerless grinding, Peeling or rough turned machining. Material technical specification ASTM A470 - 2005.
TECHNICAL SPECIFICATION - ASTM A470 Grade E Class 9
TECHNICAL SPECIFICATION: ASTM A470 - 2015
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS
MATERIAL TYPE: Ni - Mo - V steel
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.30
Mn (％): ≤ 0.70
P (％) ≤: 0.025
S (％) ≤: 0.025
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.30
Mn (％): ≤ 0.70
P (％) ≤: 0.025
S (％) ≤: 0.025
Si (％): ≤ 0.30
Ni (%): 2.00 min.
Cr (%): ≤ 0.75
Mo (%): 0.25 min.
V (%): 0.03 ~ 0.12
Al (%): ≤ 0.015
MECHANICAL PROPERTIES UNDER ROOM TEMPERATURE
Grade E Class 9
Grade E Class 9
Tensile strength,σb/≥ MPa: 655
Yield strength, σ0.2/≥ MPa: 485
Elongation, δ ≥(％): 20.0
Reduction of area, ф ≥ (％): 40.0
Impact, AK (J/cm2): 16
Yield strength, σ0.2/≥ MPa: 485
Elongation, δ ≥(％): 20.0
Reduction of area, ф ≥ (％): 40.0
Impact, AK (J/cm2): 16
MELTING PROCESS
The steel shall be made by the basic electric-furnace (EF + LF + VD ) or Vacuum induction melting (VIM) process.
Subsequent secondary melting of the steel by ESR or VAR.
AVAILABLE FORMS AND SHAPES
Round bar (Diameter): 1.5 mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Round bar (Diameter): 1.5 mm to 500mm
Square bar / Flat bar: 3mm to 500mm
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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