K44220
2015-09-23 11:03:20 Origin： Remark：0 Click：
Specification K44220 datasheet, K44220 Chemical, K44220 Ring forging, K44220 Bar, Wire rod, K44220 sheet - steelmaking, ESR, Blooming, K44220 Forging, Rolling, K44220 Heat treatment, Straightened, Ultrasonic test, Cold working, Machined. We also possess advanced precision machining equipments for further processing.
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL SPECIFICATION DATASHEET - K44220
Material type - Martensitic stainless steel
Technical standards - AMS 6419
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.38 ~ 0.46
Si (％): 1.45 ~ 1.80
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.010
S (％)≤: 0.010
Cr (％): 0.70 ~ 0.95
Ni (％): 1.65 ~ 2.00
Mo (％): 0.30 ~ 0.65
Si (％): 1.45 ~ 1.80
Mn (％): 0.60 ~ 0.90
P (％)≤: 0.010
S (％)≤: 0.010
Cr (％): 0.70 ~ 0.95
Ni (％): 1.65 ~ 2.00
Mo (％): 0.30 ~ 0.65
Ti (%): 0.30 ~ 0.50
V (%): ≤ 0.05
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Form: Bar, plate, sheet, forging
Condition: Normalized, hardened and double tempered
Tensile strength, σb/MPa: 1930 min.
Yield strength, σ0.2/MPa: 1580 min.
Elongation, δ(％): 7.0 min.
Reduction of area, ф(％): -
Elongation, δ(％): 7.0 min.
Reduction of area, ф(％): -
Hardness (HBW): -
APPLICATION FIELD
Aircraft landing gear
High strength bolts
Airframe parts
Driveshafts
PRODUCT PROFILE
Heavy/middle plate via hot rolled: T60 - 450mm X W50 ~ 1200mm X L1000 ~ 3000mm
Sheet steel via cold rolled: T`.5 - 6mm X W100 ~ 1000mm X L1000 ~ 2000mm
Steel strip via cold rolled: T0.5 ~ 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Heavy/middle plate via hot rolled: T60 - 450mm X W50 ~ 1200mm X L1000 ~ 3000mm
Sheet steel via cold rolled: T`.5 - 6mm X W100 ~ 1000mm X L1000 ~ 2000mm
Steel strip via cold rolled: T0.5 ~ 3mm X W5 - 200mm X L (or in coil form)
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Round bar / Wire rod (Diameter1): 5.5mm to 450mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
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