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AMS 5571
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Aerospace AMS 5571 Specifications, Datasheet AMS 5571 Chemical, AMS 5571 Properties from Steelmelting (ESR refined), Blooming, Hot forging, Hot rolling, Heat treat, Straightening, 100% Ultrasonic flaw detection test, Cold working or Machined. All of these materials conform to Military standard, nuclear power. 100% Ultrasonic test ASTM E2375 /SAE AMS 2154 /SEP 1923 /GB/T 4162 /EN 10228-3.
MATERIAL TECHNICAL STANDARD - Grade AMS 5571

MATERIAL CATEGORY - High Alloy Aerospace Material Steel Series
TECHNICAL SPECIFICATION - AMS 5571J
HS CODE - 72221100 / 72221900 / 72223000
OFFICIAL TEST REPORT - issued by TUV - SGS - BV
CHEMICAL COMPOSITIONS (WEIGHT - %)
C (%):    ≤ 0.08
Mn (%):  ≤ 2.00
Si (%):   0.30 ~ 1.00
P (%)≤:  0.040
S (%)≤:  0.030
Cr (%):   17.0 ~ 19.0
Ni (%):    9.00 ~ 12.0
Nb (%):   10 X C ~ 1.10
Mo (%):   ≤ 0.75
Cu (%):   ≤ 0.75
Ta (%):    ≤ 0.05
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Form: Tubings and forgings
Heat treatment condition: 1040 ~ 1070 Deg. C 
Tensile strength, σb/MPa: 515
Yield strength, σ0.2/MPa: 210
Elongation, δ(%): 25.0
Reduction of area, ф(%): -
Hardness + solution annealed (HB): -
MELTING PROCESS & APPLICATION
This
alloy is generally smelt in Basic Electric Furnace (EAF, AOD, VOD) or VIM + Electroslag remelting (ESR). For a purpose of superior quality, it should be smelt via technology of vacuum refining or by agreement.
It is suitable for applications such as high tensile shafts, bolts and nuts, gears, pinions spindles and so on.
AVAILABLE FORMS & DIMENSIONS
Round bar: 5.5mm to 500mm
Square bar / Flat bar: 10mm to 610mm
Wire rod: 0.5mm to 13.0mm
Steel strip: THK0.5 ~ 3.0mm, Width 10 ~ 300mm
Length: Fixed length or random length or based on the customer's special requirement.
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. E-mail:
sales@ccsteels.com.
 

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