ASTM A579 type 23
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Description ASTM A579 Gr.23 Inventory, Suppliers A579 Gr.23 Round bar, Ex-stock ASTM A579 Gr.23 Propertt from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, D6AC Cold working, Peeled or rough turned machining. Technical specification - ASTM A579. We also possess the advanced precision machining equipments for catering for your different special requireme
TECHNICAL SPECIFICATIONS - Grade ASTM A579 Grade 23
MATERIAL CATEGORY - Ultra high strength 1520Mpa Alloy steel
MAIN FEATURES: A579 Gr.23 VAC-ARC steel is a medium carbon, low alloy, ultra high strength 1471Mpa steel primarily designed for high strength structural applications
A579 Gr.23 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 - %)
C (％): 0.42 ~ 0.48
Si (％): 0.15 ~ 0.35
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.015
S (％)≤: 0.015
Cr (％): 0.90 ~ 1.20
Si (％): 0.15 ~ 0.35
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.015
S (％)≤: 0.015
Cr (％): 0.90 ~ 1.20
Ni (%): 0.40 ~ 0.70
Mo (％): 0.90 ~ 1.10
Mo (％): 0.90 ~ 1.10
V (%): 0.08 ~ 0.15
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: Heat treatment - Austenitized at 900℃ . Oil quenched and air cooled, or salt quenched at 205 ~ 220 ℃ for 10 minutes and air cooled
Tensile strength σb≥/MPa: 1520.0
Yield strength σs≥/MPa: 1422.0
Elongation δ5≥(%): 9.0
Yield strength σs≥/MPa: 1422.0
Elongation δ5≥(%): 9.0
Impact strength, AKV≥/J: -
Hardness HRC: 45
Hardness HRC: 45
Working pressure /MPa: 932.0
Bursting pressure /MPa: 1275.0
MELTING PROCESS
VIM + ESR Melted
TYPICAL APPLICATIONS
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rod
Multidiameter shaft
Pressure vessel
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rod
Multidiameter shaft
Pressure vessel
AVAILABLE FORMS & DIMENSIONS
Round bar (Diameter): 5.5 ~ 450mm
Wire rod (Diameter): 0.15 ~ 15mm
Flat bar (Thickness X Width): 10 ~ 400 X 15 ~ 650mm
Length: random length, fixed length or based on the customer's special requirement.
Form: wire or straightened bar
TECHNICAL SALES ASSISTANCE
If you meet further on any technical inquiry, pleased to EMAIL our resident team of qualified production engineers, Email us: sales@ccsteels.com.
Round bar (Diameter): 5.5 ~ 450mm
Wire rod (Diameter): 0.15 ~ 15mm
Flat bar (Thickness X Width): 10 ~ 400 X 15 ~ 650mm
Length: random length, fixed length or based on the customer's special requirement.
Form: wire or straightened bar
TECHNICAL SALES ASSISTANCE
If you meet further on any technical inquiry, pleased to EMAIL our resident team of qualified production engineers, Email us: sales@ccsteels.com.
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