AMS 6255 / K21940
2017-03-23 09:03:12 Origin： Remark：0 Click：
Technical specifications of Aerospace material specification AMS 6255/K21940 datasheet, AMS 6255/ K21940 Chemical compositions, K21940 mechanical property from Steelmaking, ESR melted,K21940 Blooming, AMS 6255 Hot forging,Hot rolling,Heat treatment,Straightening,100% Ultrasonic test,Cold working or rough turned machining. 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.
TECHNICAL SPECIFICATIONS - AMS 6255 & K21940
MATERIAL FORM: round bar, tube, forge piece
Official Test Certificate Report: issued by TUV - SGS - BV
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.16 ~ 0.22
Cr (％): 1.45
Ni (％): -
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.16 ~ 0.22
Cr (％): 1.45
Ni (％): -
Mo (％): 1.0
Others (％): Si 1.1, Al 0.08
Others (％): Si 1.1, Al 0.08
PRODUCT DESCRIPTION
The alloy is usually produced by VM /CVM followed by electroslag refining (ESR), Vacuum Arc Melting (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' specific requirements.
Round bar / Wire rod (Diameter) 0.10mm to 300mm
Square bar / Flat bar: 3mm to 400mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
The alloy is usually produced by VM /CVM followed by electroslag refining (ESR), Vacuum Arc Melting (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' specific requirements.
Round bar / Wire rod (Diameter) 0.10mm to 300mm
Square bar / Flat bar: 3mm to 400mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
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