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Material specifications P550 datasheet, P550 Chemical,P550 Ring forging,P550 Bar,alloy P550 Wire rod, - steelmaking, ESR, Blooming, P550 Forging, Rolling, Heat treatment, Straightened, Ultrasonic test, Cold working, Machined. We also possess advanced precision machining equipments for further processing.Technical standards - DIN SEW 390 (1991) or by agreement.
TECHNICAL DATA SHEET - Nonmagnetic Alloy P550
MATERIAL CATEGORY: a special Nonmagnetic, austenitic Mn-Cr-steel with a high nitrogen content.
MATERIAL SPECIFICATIONS: DIN SEW 390 (1991)
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.06
Si (％): ≤ 1.00
Mn (％): 20.5 ~ 21.6
P (％)≤: 0.035
S (％)≤: 0.020
Cr (％): 18.3 ~ 20.0
Ni (％): ≥ 1.40
Mo (％): ≥ 0.50
N (％): ≥ 0.60
HOT WORKING, HEAT TREATMENT AND MECHANICAL PROPERTIES
Hot working temperature: 1150 ~ 950℃
Quenching or solution treatment temperature: 1020~1120℃, water & oil cooled
Tensile strength, σb≥ /MPa: 1035
Yield strength, σ0.2 ≥/MPa: 900
Elongation, δ≥(％): 20.0
Impact Akv ≥/J: 80
Hardness: HB 350 ~ 430 (cold worked)
The alloy is usually produced by AOD + BEF / EAF followed by electroslag refining (ESR) / VAR if necessary for special purpose.
Round bar (Diameter): 5.5 to 300mm
Square bar / Flat bar: 10mm to 300mm
Length: Fixed length or random length or based on the customer's special requirement.
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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