ASTM A638 Gr.660 datasheet,ASTM A638 Gr.660 chemical,ASTM A638 Gr.660 heat treatment

ASTM A638 Gr.660
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Description A638 Gr.660 datasheet,ASTM A638 Gr 660 Chemical, A638 Gr 660 mechanical property from steelmaking,A638 Gr 660 hot forging, rolling, heat treatment, cold working.We also possess advanced precision machining equipments for further processing
TECHNICAL DATA SHEET - ASTM A638 Grade 660
MATERIAL CATEGORY - 15Cr-26Ni-1Mo-2Ti-V Austenitic steel  
PRODUCT DESCRIPTION
The alloy is usually produced by AOD / VOD /VIM 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 softened condition.
Final heat treatment - solution treatment / QT
MATERIAL SPECIFICATIONS - ASTM A959 (2004), A276, A312, A632, A176, A580
AVAILABILITY
Round bar / flat bar / strip / hollow bar / valve body / wire coils
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
STOCKLIST - HOT ROLLED BAR
Diameter: 10 - 60mm
Order quantity: 1215 KGS
CHEMICAL COMPOSITION (WEIGHT %) 
C (%):     ≤ 0.08
Si (%):     ≤ 1.00
Mn (%):   ≤ 2.00
P (%)≤:   0.040
S (%)≤:   0.030
Cr (%):    13.5 ~ 16.0
Ni (%):    24.0 ~ 27.0
Mo (%):   1.00 ~ 1.50

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