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FERRALIUM 255-3SC

FERRALIUM^® 255-3SC

Alloy	Common Name	Related Specifications			Tensile Strength	Proof Stress	Elongation
Alloy	Common Name	British	European	United States	Tensile Strength	Proof Stress	Elongation
FERRALIUM 255-3SC	Alloy 255 Cast Grade		1.4507	ASTM A890 UNS J93373 CD3MCuN Grade 1C	700 [101.5]	450 [65.3]	25

FERRALIUM^® 255-3SC

Specifications of FERRALIUM 255-3SC

FERRALIUM to MSA-MDS-41VS-Castings
ASTM A890 Grade 1C, UNS J93373, ACI CD3MCuN

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Technical Data Sheets >
Machining FERRALIUM 255 Welding FERRALIUM 255-SD50 FERRALIUM 255-SD50 ASME IX Weld Qualification

Chemical Specification of FERRALIUM 255-3SC

Basic Properties FERRALIUM 255-3SC - Mechanical Properties

Physical Properties of FERRALIUM 255-3SC

Applications of FERRALIUM 255-3SC

FERRALIUM 255-3SC Features

Forms of FERRALIUM 255-3SC Available

Machining Advice of FERRALIUM 255-3SC

Alloy Comparisons

Disclaimer
Data in this FERRALIUM 255-3SC page is provided solely for the purposes of distribution of information. Langley Alloys cannot make guarantees with respect to subject matter or accuracy of this information. Langley Alloys specifically disclaims all guarantees, expressed, implied or otherwise, including without limitation, all warranties of merchantability and fitness for a particular purpose. This publication may include technical inaccuracies or typographical errors. If errors are found, please make a notification via e-mail to: info@langleyalloys.com

Elements	C	Cr	Cu	Fe	Mo	Mn	N	Ni	P	S	Si
Minimum		24.0	1.00	REMAINDER	2.7		0.14	5.50
Maximum	0.03	26.00	2.00		3.90	2.00	0.25	7.50	0.035	0.010	0.75

0.2% Proof Stress (N/mm² ) [ksi] minimum	450 [65.3]
Ultimate Tensile Strength (N/mm²) [ksi] minimum	700 [101.5]
Elongation (%) minimum	25
Hardness (HBN)	270max
Charpy V-notch Impact at ambient Temp (J) [ft.lb]	70min [51.6min]

Additional Testing
ASTM G48A Corrosion test at 40°C	No pitting and weight loss <4.0g/m²
Ferrite Content	40%-60%
Microstructure	Microstructure certified free from grain boundary carbides, sigma, chi and laves phases

Density (Kg.m^-1)	78.1
Magnetic Permeability	33
Young’s Modulus (N/mm²)	199 x 10³
Specific Heat, 20°C (J.Kg^-1.°K^-1)	475
Specific Electrical Resistance, 20°C (µO.m)	0.80
Thermal conductivity, 20°C (W.m^-1.°K^-1)	14.2
Mean coefficient of thermal expansion, 20-100°C (°K^-1)	11.1 x 10^-6

Alloys	Bars & Sections	Hot & Cold Rolled Plate	Ingot & Billet	Forged Products	Sand Castings
FERRALIUM 255-SD50
FERRALIUM 255-SD40
FERRALIUM 255-3SF
FERRALIUM 255-3AF
FERRALIUM 255-3SC
FERRALIUM 255-FG46
ALLOY 2507
ALLOY S32760

Operation	Cutting Speed m/min (ft/min)	Feed Rate mm/rev (in/rev)	Depth of cut mm (in)
Milling	40 (130)	0.05-0.13 mm/tooth 0.02-0.005 in/tooth	0.5-6.0 (0.02-0.25)
Drilling – 6.4mm (1/4”) dia	250rpm	0.075 (0.003)
Drilling – 12.7mm (1/2”) dia	250rpm	0.125 (0.005)
Drilling – 25.4mm (1”) dia	150rpm	0.28 (0.011)
Turning - Roughing	30-45 (100-150)	0.20 – 0.38 (0.008-0.015)	3 (0.125)
Turning - Finishing	50-60 (165-200)	0.13 – 0.20 (0.005-0.008)	0.5 (0.02)
Tooling	Milling/Turning: Carbide (SANDVIK GC 235, SECO T25M) Drilling: HSS, point angle 118°, chisel angle 120°

Alloy Comparisons	CF8M(316)	J92205	M-35-2(70/30 Ni/Cu)	S31254	FERRALIUM 255-3SC
0.2% Proof Strength (N/mm²)	290	440	205	325	500
Corrosion Rate (mm.y^-1) Seawater	~1	<0.01	<0.01	<0.01	<0.01
Corrosion Rate (mm.y^-1) 10% sulphuric acid at 80°C	10	0.4	<0.15	1.5	<0.15
Corrosion Rate (mm.y^-1) Boiling 50% nitric acid	<0.15	<0.15	<0.15	0.4	<0.15
Wear Properties related to Hardness (HBN)	RB86	RC25	RC20	RC20	RC28

FERRALIUM® 255-3SC