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F20
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Inventory F20 Specifications, Suppliers F20 Datasheet Chemical, Stocklist F20 Properties Flat Bar Forging Ex-stock & Plate, Heat treatment Machined, Rod Exporters Ex-stock Sale - Technical standards - ASTM A182 - 2018.or by agreement.
TECHNICAL DATA SHEET - ASTM A182 Grade F20

MATERIAL TECHNICAL STANDARDS - ASTM A182 - 2018
MATERIAL TYPE - 20Cr-35Ni-2Mo Austenitic Stainless steel
HS CODE - 72221100 / 72221900
CHEMICAL COMPOSITION (WEIGHT %)
C (%):     ≤ 0.07
Mn (%):   ≤ 2.00
Si (%):    ≤ 1.00
P (%)≤:   0.040
S (%)≤:   0.030
Ni (%):    32.0 ~ 38.0
Cr (%):    19.0 ~ 21.0
Mo (%):   1.50 ~ 3.00
Nb (%):   8 X C ~ 1.00
Cu (%):   3.00 ~ 4.00
MECHANICAL PROPERTY UNDER ROOM TEMP.
Forms: Round bar, flat bar, forgings and plate
Tensile strength, σb/≥ MPa: 550
Yield strength, σ0.2/MPa: 240
Elongation, δ ≥(%): 30.0
Reduction of area, ф ≥ (%): 55.0
Hardness via heat treatment /HBW: -
HEAT TREATMENT PRACTICE
Condition: solution annealing (+AT)
Cooling medium: water or oil cooling
Tempering temperature: 925 ~ 1010 Deg.C
MELTING & AVAILABLE DIMENSIONS
The alloy is usually produced by BEF & BEF + AOD & EAF + VD + LF, followed by electroslag refining (ESR or 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): 5.5mm ~ 500mm
Square bar / Flat bar: 10mm to 1000mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T60 ~ 400mm X W60 ~ 1000mm X L1000 ~ 3500mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical inquiry or help, pleased to E-mail 
our resident team of qualified production engineers, Email:
sales@ccsteels.com.

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