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ASTM 16-8-2H is usually taken a special steelmaking technique by BEF & AOD followed by electroslag remelting (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.
MATERIAL DATASHEET - Alloy Steel 16-8-2H
The alloy is usually produced by AOD followed by electroslag refining (ESR).
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the softened condition.
Final heat treatment - solution treatment.
MATERIAL SPECIFICATIONS - ASTM A959 (2004)
MATERIAL CATEGORY - 15.0%Cr- 8.0%Ni-2.0% Mo austenitic steel
CHEMICAL COMPOSITION (Mass weight %)
C (％): 0.05 ~ 0.10
Si (％): ≤ 0.75
Mn (％): ≤ 2.00
P (％)≤: 0.040
S( ％)≤: 0.030
Cr (％): 14.5 ~ 16.5
Ni (％): 7.50 ~ 9.50
Mo (％): 1.50 ~ 2.00
N (%): -
MECHANICAL PROPERTIES AFTER FINAL HEAT TREATMENT
Tensile strength, σb/MPa: 622
Yield strength, σ0.2/MPa: 275
Elongation, δ (％): 40
Reduction of area, ф (％): -
Hardness (HBW): -
Cold bending property: N
The maximum hardness in the softened condition is 270 HB.
Chemical equipment, small mechanical parts.
Mechanical parts used in the condition of corrosion resistance.
Bolt and nut, Pins.
TECHNICAL SALES ASSISTANCE
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