G4312 Gr.SUH661
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Material technical specifications of JIS G4312 type SUH661 heat resistant steel plate alloy SUH661 datasheet, G4312 Gr.SUH661 Chemical compositions,G4312 Gr.SUH661 mechanical properties from Steelmaking, ESR melting,Hot blooming, UT, Hot forging,Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or Machined. Technical specifications - JIS G 4312 - 1991. We also possess the advanced precision machining equipments for further processing.
TECHNICAL DATA SHEET - JIS G4312 Grade SUH661
TECHNICAL SPECIFICATIONS: JIS G4312 - 1991
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.08 ~ 0.16
Si (％): ≤ 1.00
Mn (％): 1.00 ~ 2.00
P (％) ≤: 0.040
S (％) ≤: 0.030
Cr (％): 20.0 ~ 25.0
Ni (％): 19.0 ~ 21.0
Si (％): ≤ 1.00
Mn (％): 1.00 ~ 2.00
P (％) ≤: 0.040
S (％) ≤: 0.030
Cr (％): 20.0 ~ 25.0
Ni (％): 19.0 ~ 21.0
Mo (%): 2.50 ~ 3.50
W (%): 2.00 ~ 3.00
Co (%): 18.5 ~ 21.0
Nb (%): 0.75 ~ 1.25
N (%): 0.10 ~ 0.20
MECHANICAL PROPERTIES AND HEAT TREATMENT PRACTICE
Solution treated / quenching: 1130 ~ 1200 rapid cooling
Solution treated / quenching: 1130 ~ 1200 rapid cooling
Condition: Solution
Tensile strength, σb/≥ MPa: 690
Yield strength, σ0.1/≥ MPa: 315
Yield strength, σ0.1/≥ MPa: 315
Elongation, δ ≥(％): 35.0
Reduction of area, ф ≥ (％): 35.0
Hardness | HBW ≤: 248 min.
Suitable size /mm (Diam. thickness): ≤ 180
Hardness | HBW ≤: 248 min.
Suitable size /mm (Diam. thickness): ≤ 180
Solution treated / quenching: 1130 ~ 1200 rapid cooling
Tempering: 780 ~ 830 X 4h, air cooling or slow cooling
Condition: solution + ageing
Tensile strength, σb/≥ MPa: 760
Yield strength, σ0.1/≥ MPa: 345
Yield strength, σ0.1/≥ MPa: 345
Elongation, δ ≥(％): 30.0
Reduction of area, ф ≥ (％): 30.0
Hardness | HBW ≤: 192
Suitable size /mm (Diam. thickness): ≤ 75
PRODUCT DESCRIPTION
Hardness | HBW ≤: 192
Suitable size /mm (Diam. thickness): ≤ 75
PRODUCT DESCRIPTION
Flat / Square bar: T10 ~ 250mm X W100 ~ 1200mm
Heavy/middle plate via hot rolled: T50 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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