ASTM A579 Gr.32
2016-03-24 13:19:20 Origin： Remark：0 Click：
Aircraft standards high tensile strength steel ASTM A579 Gr.32 Round bar, flat bar, plate Steelmaking, ESR melted, Hot forging/rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working,
TECHNICAL DATA SHEET - ASTM A579 Gr.32
MATERIAL CATEGORY: Ultra high strength 1720Mpa alloy steel
MATERIAL DELIVERY CONDITION: Quenched and tempered
MAIN FEATURES: A579 series VAC - ARC steel is a medium carbon, low alloy, ultra high strength 1000Mpa steel primarily designed for high strength structural applications
A579 series steel is produced by the consumable electrode vacuum arc remelting process to provide optimum cleanliness and preferred ingot structure, which in turn provide optimum transverse mechanical properties.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): 0.40 ~ 0.45
Silicon, Si (％): 1.45 ~ 1.80
Manganese, Mn (％): 0.65 ~ 0.90
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 0.65 ~ 0.90
Nickel, Ni (%): 1.65 ~ 2.00
Molybdenum, Mo (％): 0.30 ~ 0.45
Copper, Cu (%): -
Titanium, Ti (%): -
Vanadium, V (%): -
Cobalt, Co (%): -
Aluminum, Al (%): -
Aluminum, Al (%): -
Tungsten, W (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Mechanical properties under VIM + ESR melting
Tensile strength σb≥/MPa: 1720
Yield strength σs≥/MPa: 1550
Elongation δ5≥(%): 6.0
Reduction of area ф ≥ (％): 25
MAIN FEATURES AND MELTING PROCESS
The steels shall be manufactured by melting process or VIM + ESR Melted and shall be finished by hot-worked forging. Forgings may be furnished in one of the following conditions: stress relieving; annealing; solution treatment; solution treatment and ageing; normalizing; normalizing and tempering; or quenching and tempering. Heat and product analyses shall be employed to assess the conformance of steels with required chemical compositions.
Forgings shall examined by tension and Charpy impact tests and conform to required mechanical properties such as yield strength, tensile strength, elongation, reduction of area, minimum room-temperature Charpy V-notch energy absorption, maximum annealed hardness, and section size capability. Nondestructive tests, such as magnetic particle, liquid penetrant, and ultrasonic inspection procedures, shall also be performed.
TYPICAL APPLICATIONS
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rod.
Multidiameter shaft, Pressure vessel.
PRODUCT PROFILE AND DIMENSIONS
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W100 - 1500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Mechanical properties under VIM + ESR melting
Tensile strength σb≥/MPa: 1720
Yield strength σs≥/MPa: 1550
Elongation δ5≥(%): 6.0
Reduction of area ф ≥ (％): 25
MAIN FEATURES AND MELTING PROCESS
The steels shall be manufactured by melting process or VIM + ESR Melted and shall be finished by hot-worked forging. Forgings may be furnished in one of the following conditions: stress relieving; annealing; solution treatment; solution treatment and ageing; normalizing; normalizing and tempering; or quenching and tempering. Heat and product analyses shall be employed to assess the conformance of steels with required chemical compositions.
Forgings shall examined by tension and Charpy impact tests and conform to required mechanical properties such as yield strength, tensile strength, elongation, reduction of area, minimum room-temperature Charpy V-notch energy absorption, maximum annealed hardness, and section size capability. Nondestructive tests, such as magnetic particle, liquid penetrant, and ultrasonic inspection procedures, shall also be performed.
TYPICAL APPLICATIONS
Power generation – turbine fasteners – boiler support rods.
Process plant – fasteners, Mechanical gears, gear shaft, main axis, valve rod.
Multidiameter shaft, Pressure vessel.
PRODUCT PROFILE AND DIMENSIONS
Round bar (Diameter): 5.5mm to 550mm
Square bar / Flat bar: 10mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W100 - 1500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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