Material Category: 400 Series

Stainless Steel 440C

Do you need custom fasteners created with Stainless Steel 440C? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Stainless Steel 440C Bar Stock we have available to meet your needs.

Allegheny Ludlum AL 440C™ Martensitic Stainless Steel, UNS S44004

Subcategory: Metal; Stainless Steel; T 400 Series Stainless Steel

Component Wt. %
C 1
Cr 16.5
Fe 82.5

Material Notes:
Iron content above calculated as remainder.

Hardenable to high hardness levels for wear resistance applications and corrosion resistance above carbon steel. Typical uses in bearing, valve parts, cutlery and industrial knives.

Information provided by Allegheny Ludlum

Stainless Steel 431

Do you need custom fasteners created with Stainless Steel 431? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Stainless Steel 431 Bar Stock we have available to meet your needs.

AISI Type 431 Stainless Steel

Subcategory: Metal; Stainless Steel; T 400 Series Stainless Steel

Component Wt. %
C Max 0.2
Cr 15 – 17
Fe 82
Mn Max 1
Ni 1.25 – 2.5
P Max 0.04
S Max 0.03
Si Max 1

Material Notes:
Iron content above calculated as remainder. Hardenable – High impact strength.

Information provided by Chevron-Phillips Chemical Company, LLC.

Physical Properties Metric English Comments
Density 7.8 g/cc 0.282 lb/in³ Estimated from similar materials
Mechanical Properties
Modulus of Elasticity 200 GPa 29000 ksi Estimated from similar materials

Stainless Steel 430

Do you need custom fasteners created with Stainless Steel 430? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Stainless Steel 430 Bar Stock we have available to meet your needs.

AK Steel Ferritic Stainless steel 430

Subcategory: Metal; Stainless Steel; T 400 Series Stainless Steel; Ferritic

Close Analogs: Iron content calculated as remainder

Component Wt. %
C Max 0.12
Cr 16 – 18
Fe Min 79.31
Mn Max 1
Ni Max 0.5
P Max 0.04
S Max 0.03
Si Max 1

Material Notes:
AK Steel 430 combines good corrosion resistance and heat and oxidation resistance up to 1500°F with good mechanical properties. Typical consumer applications include automotive trim and molding, furnace combustion chambers, dishwashers, range hoods, gas burners, gutters, steam iron bases and flatware. Industrial applications range from interior architectural applications to nitric acid plant equipment.

Information provided by AK Steel

Physical Properties Metric English Comments
Density 7.74 g/cc 0.28 lb/in³
Mechanical Properties
Hardness, Rockwell B 85 85
Tensile Strength, Ultimate 483 MPa 70100 psi
Tensile Strength, Yield 310 MPa 45000 psi 0.2% YS
Elongation at Break 25 % 25 % in 2 inches
Modulus of Elasticity 200 GPa 29000 ksi
Electrical Properties
Electrical Resistivity 6e-005 ohm-cm 6e-005 ohm-cm
Thermal Properties
CTE, linear 20°C 10.4 µm/m-°C 5.78 µin/in-°F 0 to 100°C
CTE, linear 20°C 11.4 µm/m-°C 6.33 µin/in-°F to 538°C
Heat Capacity 0.46 J/g-°C 0.11 BTU/lb-°F 0°C to 100°C
Thermal Conductivity 26.1 W/m-K 181 BTU-in/hr-ft²-°F 100°C
Thermal Conductivity 26.3 W/m-K 183 BTU-in/hr-ft²-°F 500°C

Stainless Steel 422

Do you need custom fasteners created with Stainless Steel 422? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Stainless Steel 422 Bar Stock we have available to meet your needs.

Vasco® 422 Specialty Steel, Heat Treatment: 1038°C (1900°F) Anneal

Subcategory: Metal; Stainless Steel; T 400 Series Stainless Steel

Key Words: Allvac, an Allegheny Teledyne Company, UNS S42200; AMS 5655. B50A125. AISI 422; M-8663; ASTM A 565. PDS 10705 AJ

Component Wt. %
C 0.23
Cr 12.5
Fe 83
Mn 0.5
Mo 1
Ni 0.8
P 0.02
S 0.015
Si 0.38
V 0.23
W 1

Material Notes:
Iron content calculated as remainder. Data provided by Allvac.

Applications: Jet engine parts, brackets, disks, bolts, blades fasteners, aircraft components. Parts for steam and gas turbines, engines.

Physical Properties Metric English Comments
Density 7.75 g/cc 0.28 lb/in³
Mechanical Properties
Hardness, Brinell 290 290 Estimated from Rockwell C value for Brinell test with 3000 kg load/10 mm diameter ball
Hardness, Knoop 315 315 Estimated from Rockwell C value.
Hardness, Rockwell C 30 30
Hardness, Vickers 304 304 Estimated from Rockwell C value.
Tensile Strength, Ultimate 897 MPa 130000 psi
Tensile Strength, Yield 828 MPa 120000 psi 0.2% Offset
Elongation at Break 15 % 15 %
Reduction of Area 40 % 40 %

Stainless Steel 416

Do you need custom fasteners created with Stainless Steel 416? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Stainless Steel 416 Bar Stock we have available to meet your needs.

AISI Type 416 Stainless Steel, annealed bar

Subcategory: Heat Resisting; Metal; Stainless Steel; T 400 Series Stainless Steel

Close Analogs: AISI Type 416 Se

Key Words: UNS S41600, ASME SA194, ASTM A194, ASTM A314, ASTM A473, ASTM A581, ASTM A582, FED QQ-W-423, MIL SPEC MIL-S-862, SAE J405(51416), DIN 1.4005, UNI X 12 CrS 13, B.S. 416 S 21, martensitic, ISO 683/13 7

Component Wt. %
C Max 0.15
Cr 13
Fe 84
Mn Max 1.25
Mo Max 0.6
P Max 0.06
S Max 0.15
Si Max 1

Material Notes:
Molybdenum content optional

Physical Properties Metric English Comments
Density 7.8 g/cc 0.282 lb/in³
Mechanical Properties
Hardness, Rockwell B 82 82
Tensile Strength, Ultimate 515 MPa 74700 psi
Tensile Strength, Yield 275 MPa 39900 psi at 0.2% offset
Elongation at Break 30 % 30 % in 50 mm
Modulus of Elasticity 200 GPa 29000 ksi
Shear Modulus 83 GPa 12000 ksi
Electrical Properties
Electrical Resistivity 5.7e-005 ohm-cm 5.7e-005 ohm-cm at 20°C, 0.000108 Ohm-cm at 650°C
Magnetic Permeability 700 – 1000 700 – 1000 annealed condition at RT
Thermal Properties
CTE, linear 20°C 9.9 µm/m-°C 5.5 µin/in-°F from 0-100°C (32-212°F)
CTE, linear 250°C 11 µm/m-°C 6.11 µin/in-°F at 0-315°C (32-600°F)
CTE, linear 500°C 11.5 µm/m-°C 6.39 µin/in-°F 0-540°C, 11.7 at 0-650°C
Heat Capacity 0.46 J/g-°C 0.11 BTU/lb-°F from 0-100°C (32-212°F)
Thermal Conductivity 24.9 W/m-K 173 BTU-in/hr-ft²-°F at 100°C; 28.7 W/m-K at 500°C
Melting Point 1480 – 1530 °C 2700 – 2790 °F
Solidus 1480 °C 2700 °F
Liquidus 1530 °C 2790 °F
Maximum Service Temperature, Air 675 °C 1250 °F Continuous Service
Maximum Service Temperature, Air 760 °C 1400 °F Intermittent Service

References are available for this material.

Stainless Steel 410

Do you need custom fasteners created with Stainless Steel 410? Since our inception, Vegas Fastener Group has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Stainless Steel 410 Bar Stock we have available to meet your needs.

Allegheny Ludlum Martensitic Stainless Steel 410

Subcategory: Metal; Stainless Steel; T 400 Series Stainless Steel; Martensitic

Composition Notes: Iron content calculated as remainder

Component Wt. %
C Max 0.15
Cr 11.5 – 13.5
Mn Max 1
Ni Max 0.5
P Max 0.04
S Max 0.03
Si Max 1

Characteristics: superior wear resistance, hardenable, excellent corrosion resistance.

Applications:cutlery, dental and surgical instruments, nozzles, valve parts, hardened steel ball and seats for oil well pumps, separating screens and strainers, springs, shears, and wear surfaces.

Information provided by Allegheny Ludlum

Physical Properties Metric English Comments
Density 7.64 g/cc 0.276 lb/in³
Specific Gravity 7.65 g/cc 0.276 lb/in³
Mechanical Properties
Hardness, Rockwell B 82 82
Hardness, Rockwell B 98 98 Hardened+Tempered 1200°F
Hardness, Rockwell C -7 -7 Hardening Response
Hardness, Rockwell C 35 35 Hardened+Tempered 1000°F
Hardness, Rockwell C 40 40 Hardened+Tempered 550°F
Hardness, Rockwell C 40 40 Hardened+Tempered 600°F
Hardness, Rockwell C 41 41 Hardened+Tempered 800°F
Hardness, Rockwell C 41 41 Hardened+Tempered 900°F
Hardness, Rockwell C 43 43 Hardened+Tempered 400°F
Tensile Strength, Ultimate 1063 MPa 154000 psi Hardened 1800°F, Tempered 1000°F
Tensile Strength, Ultimate 1283 MPa 186000 psi Hardened 1800°F, Tempered 600°F
Tensile Strength, Ultimate 1289 MPa 187000 psi Hardened 1800°F, Tempered 550°F
Tensile Strength, Ultimate 1298 MPa 188000 psi Hardened 1800°F, Tempered 900°F
Tensile Strength, Ultimate 1300 MPa 189000 psi Hardened 1800°F, Tempered 800°F
Tensile Strength, Ultimate 1399 MPa 203000 psi Hardened 1800°F, Tempered 400°F
Tensile Strength, Ultimate 510 MPa 74000 psi Annealed
Tensile Strength, Ultimate 767 MPa 111000 psi Hardened 1800°F, Tempered 1200°F
Tensile Strength, Yield 1022 MPa 148000 psi Hardened 1800°F, Tempered 550°F
Tensile Strength, Yield 1026 MPa 149000 psi Hardened 1800°F, Tempered 600°F
Tensile Strength, Yield 1076 MPa 156000 psi Hardened 1800°F, Tempered 400°F
Tensile Strength, Yield 290 MPa 42100 psi 0.2% offset, Annealed
Tensile Strength, Yield 589 MPa 85400 psi Hardened 1800°F, Tempered 1200°F
Tensile Strength, Yield 845 MPa 123000 psi Hardened 1800°F, Tempered 900°F
Tensile Strength, Yield 882 MPa 128000 psi Hardened 1800°F, Tempered 1000°F
Tensile Strength, Yield 916 MPa 133000 psi Hardened 1800°F, Tempered 800°F
Elongation at Break 34 % 34 % Annealed
Electrical Properties
Electrical Resistivity 5.6e-005 ohm-cm 5.6e-005 ohm-cm
Thermal Properties
CTE, linear 20°C 10.5 µm/m-°C 5.83 µin/in-°F 20°C-200°C
CTE, linear 500°C 11.6 µm/m-°C 6.44 µin/in-°F 20°C-600°C
Heat Capacity 0.46 J/g-°C 0.11 BTU/lb-°F
Thermal Conductivity 24.9 W/m-K 173 BTU-in/hr-ft²-°F 100°C
Processing Properties
Melt Temperature 1482 – 1532 °C 2700 – 2790 °F
Descriptive Properties
Corrosion Rate mils per year 0.079 (5% Acetic Acid at 49°C) Hardened martensitic grades were tested after tempering at 204°C.
Corrosion Rate mils per year 0.062 (5% Phosphoric Acid at 49°C) Hardened martensitic grades were tested after tempering at 204°C
Pitting Potential, Volts vs Sat. Calomel Electrode 0.502 100 ppm Chloride solution at 24°C, pH5. Samples had ground surface. Hardened martensitic grades were tested after tempering at 204°C.

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