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High Strength

Fermonic 50 / XM-19
High Strength


	FERMONIC 50 High Strength Our own variant of XM19 is offered in a High Strength option with a 100 or 120 ksi proof strength, this is achieved through Warm or Cold working, FERMONIC 50 High Strength differs from XM-19 HS as these properties are maintained across the size range up to 10 inch Dia., where Standard XM-19 50 High strength properties are lost by 3 inch dia. FERMONIC grades remains non magnetic even when cold worked.

Alloy	Common Name	Related Specifications			Tensile Strength	Proof Stress	Elongation
Alloy	Common Name	British	European	United States	Tensile Strength	Proof Stress	Elongation
FERMONIC 50 High Strength	NITRONIC 50 High Strength		1.3964	ASTM A479/A276 S20910 XM-19	862 [125]	690 [100]	20

Fermonic 50 / XM-19 High Strength Technical Information

FERMONIC 50 (High Strength Grade) Bar stock sizes available
Diameter (in)	Diameter (mm)	kg per m
1	25.40	3.95
1 1/4	31.75	6.18
1 3/8	34.93	7.47
1 1/2	38.10	8.89
1 3/8	41.28	10.44
1 3/4	44.45	12.10
2	50.80	15.81
2 1/4	57.15	20.01
2 1/2	63.50	24.70
3	76.20	35.57
4	101.60	63.24
5	127.00	98.81
5 1/2	139.70	119.56
6	152.40	142.28
6 1/2	165.10	166.99
7	177.80	193.66
8	203.20	252.95

Specifications of FERMONIC 50 High Strength Grade

FERMONIC 50 to MLA-MPS-25VH-BAR/FORG
ASTM A479 S20910 XM-19 Hot rolled
ASTM A276 S20910 XM-19 As rolled

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FERMONIC 50 Bar Purchase Specification

Chemical Specification of FERMONIC 50 High Strength Grade

Basic Properties of FERMONIC 50 High Strength Grade

Physical Properties of FERMONIC 50 High Strength Grade

Applications of FERMONIC 50 High Strength Grade

FERMONIC 50 High Strength Grade Features

Forms of FERMONIC 50 High Strength Grade Available

Machining Advice of FERMONIC 50 High Strength Grade

Alloy Comparisons

KEY Features of FERMONIC 50 High Strength Grade

Disclaimer
Data in this FERMONIC 50 High Strength Grade 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

FERMONIC^® is a registered Trade Mark of Langley Alloys Ltd; NITRONIC^® is a registered Trade Mark of AK Steel.

Elements	C	Cr	Fe	Mo	Mn	N	Ni	Nb	P	S	Si	V
Minimum		20.5	REMAINDER	1.5	4.0	0.2	11.5	0.1				0.1
Maximum	0.06	23.5	6.00	3.0	6.0	0.4	13.5	0.3	0.45	0.3	1.0	0.3

0.2% Proof Stress (N/mm² )[ksi] minimum	690 [100]
Ultimate Tensile Strength (N/mm²) [ksi] minimum	862 [125]
Elongation (%) minimum	20
Hardness (HBN)	250-326

Additional Testing
Charpy V-notch minimum [RT] (J)	54
Magnetic Permeability	<1.05

Density (Kg.m^-3)	7880
Magnetic Permeability	<1.05
Young�s Modulus (N/mm²)	197x 10³
Specific Heat 20�C (J.Kg-1.�K-1)	475
Electrical resistance, 20�C (�.O.m)	0.82
Thermal conductivity, 20�C (W.m^-1.�K^-1)	13.3

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	250 rpm	0.125(0.005)
Drilling 25.4mm(1") dia	150 rpm	0.28(0.011)
Turning - Roughing	27 - 42 ( 90 - 140 )	0.2-0.38 (0.008-0.015)	3 (0.125)
Turning - Finishing	35 - 60 ( 120 - 190 )	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	S20910	S32205	718 (Aged)	S31254	FERRALIUM 255-SD50
(0.2% Proof Strength, N/mm²)	710	510	827	325	610
Corrosion Rate (mm.y-1)Seawater	<0.01	<0.01	<0.18	<0.01	<0.01
Corrosion Rate (mm.y-1)10% sulphuric acid at 80�C	0.7	0.4	0.15	1.5	<0.15
Corrosion Rate (mm.y-1) Boiling 50% nitric acid	0.18	<0.15	0.15	<0.4	<0.15
Wear Properties related to Hardness (HRC)	RC30	RC25	RC38	RC20	RC27