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MATERIAL TECHNICAL SPECIFICATIONS - Grade AMS 5644
Material Category - Aerospace ESR quality martensitic stainless steelTechncial Specifications - AMS 5644V
HS Code for Customs - 72221100 / 72221900 / 72223000
Official Test Report - issued by TUV - SGS - BV
CHEMICAL COMPOSITIONS (Mass weight %)
C (％): ≤ 0.09
Mn (％): ≤ 1.00
Si (％): ≤ 1.00
P (％)≤: 0.040
S (％)≤: 0.030
Cr (％): 16.0 ~ 18.0
Ni (％): 6.50 ~ 7.75
Shapes: bars and forgings
Condition: Solution + 565℃ aged.
Yield strength, σ0.2/MPa: 965
Elongation, δ(％): 6.0
Reduction of area, ф (％): 25.0
Hardness under aged condition | HBW: 363 min.
Hardness under solution condition | HBW: 230 Max.
RELEVANT STANDARDS FOR REFERENCE
AMS 2248 - Chemical Check Analysis Limits, Wrought Corrosion and Heat-resisiant Steels And Alloys, Maraging and other High-alloy Steels, and Iron Alloys.
AMS 2241 Torlerance, Corrosion and Heat-Resistant Steel, Iron Alloy, Titanium, and Titanium Alloy Bars and Wire.
ASTM A370 Mechanical Testing of Steel Products.
ASTM E8 - Tension Testing of Metalic Materials.
MELTING PROCESS & APPLICATION
This alloy is generally smelt in Basic Electric Furnace (EAF, AOD) 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.
ADVANTAGE & SUPERIOR SERVICE
20+ years Focus On Special Steel Manufacturing and processing.
Stock over 60 grades with a competitive price, along with cutting service for specific requirement.
Customizing special material is welcome.
Transport by Track, Sea, Courier (FedEx, UPS, DHL) and Air Cargo.
We closely cooperate with the professional inspection partners to strictly control the quality and improve the quality manage system, and guarantee the goods delivery each time. It is proved that we are worth of trusting and will be the strategic partner of the supplying chains in the special steels field.
AVAILABLE SHAPES & DIMENSIONS
Round bar (Diameter): 5.5 to 500mm
Square bar / Flat bar (Thickness X width): 10 to 610mm
Wire rod (Diameter): 3.0 to 13.0mm
Steel strip: THK0.5 ~ 3.0 X width 8 ~ 220mm
Length: Fixed length or random length or based on the customer's special requirement.
TECHNICAL SALES ASSISTANCE
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