ASTM A768 Grade 2
2019-01-11 15:05:18 Origin： Remark：0 Click：
12% Chromium alloy steel ASTM A768 Grade 2 Shaft, round bar, flat bar, ASTM A768 Grade 2 ESR melting, Hot blooming, Hot forging, Hot rolling, Heat treatment, Straightening.
TECHNICAL DATA SHEET - ASTM A768 Grade 2
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
MATERIAL CATEGORY: 12% Chromium alloy steel forgings for Turbine rotors and shafts
TECHNICAL STANDARDS: ASTM A768
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): 0.08 ~ 0.15
MATERIAL CATEGORY: 12% Chromium alloy steel forgings for Turbine rotors and shafts
TECHNICAL STANDARDS: ASTM A768
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): 0.08 ~ 0.15
Silicon, Si (％): ≤ 0.30
Manganese, Mn (％): 0.50 ~ 0.90
Phosphorus, P (％) ≤: 0.020
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 11.0~ 13.0
Sulfur, S (％) ≤: 0.015
Chromium, Cr (％): 11.0~ 13.0
Molybdenum, Mo (％): 1.50 ~ 2.00
Nickel, Ni (%): 2.00 ~ 3.00
Vanadium, V (%): 0.25 ~ 0.40
Nitrogen, N (%): ≤ 0.06
TYPICAL MECHANICAL PROPERTIES UNDER ROOM TEMP.
Tensile strength, TS, σb/≥ MPa: 1035
Yield strength, YS, σ0.2/≥ MPa: 760
Elongation, EL, δ ≥(％): 15.0
Yield strength, YS, σ0.2/≥ MPa: 760
Elongation, EL, δ ≥(％): 15.0
Reduction of area, RA, (%): 45.0
Annealed hardness, HB ≤: -
Heat treatment pratice: Quenched 1035 ~ 1060℃, 1st tempered 560℃ min., 2nd tempered 545 ~ 560℃
PRODUCT DESCRIPTION
The alloy is usually produced by IFF + AOD + VD, AOD + EF / EAF + VD, followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
Final heat treatment - Quenched and tempered thermal treatment or based on the buyer's special requirements.
The alloy is usually produced by IFF + AOD + VD, AOD + EF / EAF + VD, followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
Final heat treatment - Quenched and tempered thermal treatment or based on the buyer's special requirements.
PRODUCT PROFILE AND DIMENSIONS
Round bar (Diameter): 5.50mm to 650mm
Square bar / Flat bar: T3 to 500mm X W3 ~ 1200mm
Round bar (Diameter): 5.50mm to 650mm
Square bar / Flat bar: T3 to 500mm X W3 ~ 1200mm
Wire rod (Diameter): 0.50mm to 16mm
Strip: T0.20~3.0 X W8.0~650mm
Length: Fixed length or random length or based on the customer's special requirement.
Length: Fixed length or random length or based on the customer's special requirement.
Other sizes can be supplied to meet specific requirements.
Other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, please EMAIL our qualified production engineers. E-mail: sales@ccsteels.com.
If you meet further on any technical enquiry, please EMAIL our qualified production engineers. E-mail: sales@ccsteels.com.
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