Fermonic 50 – High Strength / Extra High Strength (UNS S20910 XM-19)
Description:
Fermonic® 50 – HS/EHS is a nitrogen-strengthened austenitic stainless steel that can be supplied in the cold worked or warm worked condition (it is also known as Nitronic® 50 – a trademark owned by AK Steel Corporation). Although very small diameter bars of Fermonic® 50 (<2.25”) can be cold worked to achieve higher strength levels, larger section sizes can only achieve dramatically increased mechanical properties by deforming at raised temperatures. This results in a deformed and partly recrystallised micro structure that is ‘stress free’, achieves high strengths with good ductility and consistent properties through the bar (unlike cold worked material). The superior properties of Fermonic® 50 HS/EHS are available up to 9” diameter bars.
This product maintains excellent ductility and toughness at both elevated and cryogenic temperatures, combined with improved abrasion and erosion resistance relative to other austenitic stainless steel grades, making it a useful and cost-effective alloy in a wide range of demanding applications. It can generally be formed and welded in the same way as other 3xx alloys, although machining may require slower speeds / more power due to its high work hardening rate. It achieves corrosion resistance equivalent or better than Alloy 317L in a wide range of environments, and is listed in NACE MR 01 75 for sour service given its ability to resist sulphide stress cracking.
Specifications:
1.3964
ASTM A479/A276
UNS S20910
XM-19
For enquiries about this product, call us on +44 (0)1782 610250
Higher strength and hardness than other austenitic stainless steels such as Alloy 304, Alloy 316L & Alloy 317L
Excellent ductility and toughness at both elevated and cryogenic temperatures
Non-magnetic, even after severe cold working, making it suitable for sensor applications
Excellent corrosion resistance, including resistance to chloride and sulphide stress cracking
Higher resistance to abrasion, erosion and cavitation erosion than Alloy 304, Alloy 316L & Alloy 317L austenitic stainless steels
Listed in food handling standards (FDA) as an acceptable material for food contact surfaces
Listed in MR 0175 for sour service oilfield applications
Applications:
Oil & Gas industry downhole equipment
Marine pumps, valves, masts, tie downs, fixtures and fittings
Food processing equipment
Process industry equipment in sulphuric acid, nitric acid, polythionic acid, urea production, organic & fatty acids
Pulp and paper Industry valves and fittings
Chemical Composition:
Cr
Ni
Mo
Co
Nb (+Ta)
Ti
V
W
Cu
C
Mn
N
Si
P
S
Fe
Al
Min
20.50
11.50
1.50
0.10
0.10
4.00
0.20
Max
23.50
13.50
3.00
0.30
0.30
0.06
6.00
0.40
1.00
0.045
0.030
Bal
Mechanical Properties:
Fermonic® 50 - High Strength (cold worked condition, up to 1.5” /38mm diameter or section)
Fermonic® 50 - High Strength (cold worked condition, bars between 1.5”-2.25” /38mm – 57mm diameter or section)
Fermonic® 50 - High Strength (warm worked condition)
Fermonic® 50 – Extra High Strength
0.2% Proof Stress
862 N/mm2
125 ksi
725 N/mm2
105 ksi
725 N/mm2
105 ksi
827 N/mm2
120 ksi
Tensile Strength
1000 N/mm2
145 ksi
827 N/mm2
125 ksi
896 N/mm2
125 ksi
930 N/mm2
135 ksi
Elongation, 5.65√S0 and 4D
12%
15%
20%
20%
Reduction of Area
40%
45%
50%
40%
Hardness
328 HBN max.
328 HBN max.
25-35HRC
25-35HRC
Impact Strength (Room Temp)
135J
135J
Impact Strength (-60oC)
40J
40J
Notes:
Testing shall be carried out in accordance with ASTM A370 or EN ISO 6892-1 (tensile), EN ISO 6506-1 (hardness)
Minimum properties quoted (tested at room temperature in a longitudinal direction)
Testing performed on each melt of material per heat treatment batch
Physical Properties:
Density (Kg/m3)
7880
Magnetic Permeability (20°C)
<1.02
Young’s Modulus (kN/mm2)
197
Specific Electrical Resistance, 20°C (µΩ-m)
0.82
Mean coefficient of thermal expansion, 20-100°C (m/m/°C)
17.9 x 10-6
Specific Heat, 20°C (J/kg.K)
475
Thermal conductivity, 20°C (W/m.K)
13.3
Fracture Toughness, KQ (MPa/m2)
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{"product":[{"acf_fc_layout":"overview","common_name":"UNS S20910 XM-19","tensile_strength":"862 (125)","proof_test":"724 (105)","elongation":"20","menudescription":"Fermonic\u00ae 50 \u2013 HS\/EHS (also known as Nitronic\u00ae 50 \u2013 a trademark owned by AK Steel Corporation) is a nitrogen-strengthened austenitic stainless steel that can be supplied in the cold worked or warm worked condition. 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Although very small diameter bars of Fermonic\u00ae 50 (<2.25\u201d) can be cold worked to achieve higher strength levels, larger section sizes can only achieve dramatically increased mechanical properties by deforming at raised temperatures. This results in a deformed and partly recrystallised micro structure that is \u2018stress free\u2019, achieves high strengths with good ductility and consistent properties through the bar (unlike cold worked material). The superior properties of Fermonic\u00ae 50 HS\/EHS are available up to 9\u201d diameter bars.\nThis product maintains excellent ductility and toughness at both elevated and cryogenic temperatures, combined with improved abrasion and erosion resistance relative to other austenitic stainless steel grades, making it a useful and cost-effective alloy in a wide range of demanding applications. It can generally be formed and welded in the same way as other 3xx alloys, although machining may require slower speeds \/ more power due to its high work hardening rate. It achieves corrosion resistance equivalent or better than Alloy 317L in a wide range of environments, and is listed in NACE MR 01 75 for sour service given its ability to resist sulphide stress cracking.\n","short_description":"Fermonic\u00ae 50 \u2013 HS\/EHS (also known as Nitronic\u00ae 50 \u2013 a trademark owned by AK Steel Corporation) is a nitrogen-strengthened austenitic stainless steel that can be supplied in the cold worked or warm worked condition. Although very small diameter bars of Fermonic\u00ae 50 (<2.25\u201d) can be cold worked to achieve higher strength levels, larger section sizes can only achieve dramatically increased mechanical properties by deforming at raised temperatures. This results in a deformed and partly recrystallised micro structure that is \u2018stress free\u2019, achieves high strengths with good ductility and consistent properties through the bar (unlike cold worked material). The superior properties of Fermonic\u00ae 50 HS\/EHS are available up to 9\u201d diameter bars.\n","features":[{"feature":"Higher strength and hardness than other austenitic stainless steels such as Alloy 304, Alloy 316L & Alloy 317L"},{"feature":"Excellent ductility and toughness at both elevated and cryogenic temperatures"},{"feature":"Non-magnetic, even after severe cold working, making it suitable for sensor applications"},{"feature":"Excellent corrosion resistance, including resistance to chloride and sulphide stress cracking"},{"feature":"Higher resistance to abrasion, erosion and cavitation erosion than Alloy 304, Alloy 316L & Alloy 317L austenitic stainless steels"},{"feature":"Listed in food handling standards (FDA) as an acceptable material for food contact surfaces"},{"feature":"Listed in MR 0175 for sour service oilfield applications"}],"applications":[{"application":"Oil & Gas industry downhole equipment"},{"application":"Marine pumps, valves, masts, tie downs, fixtures and fittings"},{"application":"Food processing equipment"},{"application":"Process industry equipment in sulphuric acid, nitric acid, polythionic acid, urea production, organic & fatty acids"},{"application":"Pulp and paper Industry valves and fittings"}],"composition":{"ID":16410,"id":16410,"title":"Fermonic 50 HS & EHS - Chem Rev1","filename":"Fermonic-50-HS-EHS-Chem-Rev1.xls","filesize":31744,"url":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2017\/04\/Fermonic-50-HS-EHS-Chem-Rev1.xls","link":"https:\/\/www.langleyalloys.com\/us\/products\/fermonic-50-high-strength-extra-high-strength\/fermonic-50-hs-ehs-chem-rev1-2\/","alt":"","author":"3","description":"","caption":"","name":"fermonic-50-hs-ehs-chem-rev1-2","status":"inherit","uploaded_to":16320,"date":"2017-04-04 10:31:01","modified":"2017-04-04 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10:31:02","menu_order":0,"mime_type":"application\/vnd.ms-excel","type":"application","subtype":"vnd.ms-excel","icon":"https:\/\/www.langleyalloys.com\/wp-includes\/images\/media\/spreadsheet.png"},"physical":{"ID":16412,"id":16412,"title":"Fermonic 50 HS & EHS - Physicals Rev1","filename":"Fermonic-50-HS-EHS-Physicals-Rev1.xls","filesize":31232,"url":"https:\/\/www.langleyalloys.com\/wp-content\/uploads\/2017\/04\/Fermonic-50-HS-EHS-Physicals-Rev1.xls","link":"https:\/\/www.langleyalloys.com\/us\/products\/fermonic-50-high-strength-extra-high-strength\/fermonic-50-hs-ehs-physicals-rev1-2\/","alt":"","author":"3","description":"","caption":"","name":"fermonic-50-hs-ehs-physicals-rev1-2","status":"inherit","uploaded_to":16320,"date":"2017-04-04 10:31:02","modified":"2017-04-04 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Downloads
Datasheet - S-Fermonic 50 HS&EHS
Brochure - Fermonic 50 - Detailed product information (rev2)
