P550 datasheet,P550 chemical,P550 heat treatment

P550
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Description P550 Ex-stock, Inventory P550 Suppliers, Stocklist P550 Specifications Ring Hot forge, Steelmaking, ESR, Hot Blooming, Hot Forging, Hot 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 ( Mass 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 CYCLE
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)
PRODUCT DESCRIPTION
The alloy is usually produced by AOD + BEF / EAF followed by electroslag refining (ESR) / VAR if necessary for special purpose.
PRODUCT FORMS & DIMENSIONS
Round bar (Diameter): 5.5 to 450mm
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. 
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.

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