Grade 431 Stainless Steel Round Bar belongs to the martensitic class of stainless steels. This heat treated UNS S43100 Forged Round Bar is an alloy grade that characteristically offers several advantageous properties.
buy Type 431 Rod and Hex Bar, 431 stainless steel flat bar, 431 SS round bar from our stock, 431 stainless steel round bar suppliers
431 Stainless Steel Round Bar
Type 431 Rod
UNS S43100 Hex Bar
431 stainless steel distributors, manufacturer of 1.4057 stainless steel equivalent, Steel S43100 Bright Bar at factory price
For instance, many 431 stainless steel round bar suppliers note that the alloy has excellent resistance to corrosion, in addition to superior torque strength. Other properties of the ASTM A276 AISI 431 Stainless Steel Round Bars include its high toughness and high tensile strength properties. A combination of these properties makes the Stainless Steel 431 Hexagon Bar ideal for the manufacture of fasteners such as bolt and shaft applications.
however, the 431 Stainless Steel Black Bar is an alloy that cannot be cold-worked. This is because the alloy has a high yield strength. Hence the Stainless Steel 431 Square Bar is well suited for operations such as deep drawing, spinning, bending or cold heading. Fabrication of 431 Martensitic Stainless Steel Bar is generally carried out using techniques that permit treatments like hardening and tempering and poor weldability. The corrosion resistance properties of grade 431 Stainless Cold Finish Round Bar is much lower in comparison to that of austenitic grades.
The operations of grade 1.4057 stainless steel equivalent are often limited by their loss of tensile strength at elevated temperatures due to over-tempering. Whereas the 431 Steel Hollow Bars lose their ductile properties at cryogenic temperatures.
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Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
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BS |
En |
No |
Name |
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431 |
S43100 |
431S29 |
57 |
1.4057 |
X17CrNi16-2 |
2321 |
SUS 431 |
| Element | SS 431 |
| Density | 0.2800 lb/inch³ |
| Electrical Resistivity | 70° Ohms (circ mil./ft.) |
| Modulus of Elasticity | 29.0 X 10^3 |
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Typical Mechanical Properties at Elevated Temperatures, Hardened at 1010oC and Tempered at 30oC Above Working Temperature
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Tempering Temperature oC
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510
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570
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620
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Working Temperature oC
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480
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540
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590
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Tensile Strengt Mpa
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1350
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720
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435
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Elongation in 50mm %
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15
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20
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26
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Room Temperature Hardness after Test
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HB
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440
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330
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280
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Rc
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47
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37
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30
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| NB. Creep and stress rupture strength is also substantially reduced at these higher working temperatures. | |||||||||||
| 431 | Max | Min |
| C | 0.20 | – |
| Cr | 17.00 | 15.00 |
| Fe | Balance | – |
| Mn | 1.00 | – |
| Ni | 2.50 | 1.25 |
| P | 0.040 | – |
| S | 0.030 | – |
| Si | 1.00 | – |
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Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat |
Electrical Resistivity (nΩ.m) |
|||
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0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
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|
431 |
7800 |
200 |
10.2 |
12.1 |
– |
20.2 |
– |
460 |
720 |
shop a large selection of 431 Martensitic Stainless Steel Bar,431 Stainless Cold Finish Round Bar, Stainless Steel 431 Square Bar
- Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
- Standard : ASTM A276, ASTM A479
- Material Grade : Stainless Steel 431 (UNS S43100)
- Stainless Steel 431 Round Bars : Outside Diameter in the range of 4mm to 500mm
- Stainless Steel 431 Bright Bars : Outside Diameter in the range of 4mm to 100mm
- Stainless Steel 431 Hex Bars : 18mm – 57mm (11/16″ to 2-3/4″)
- Stainless Steel 431 Square Bars : 18mm – 47mm (11/16″ to 1-3/4″)
- Stainless Steel 431 Flats : 1/2” to 10” in thickness range of 2mm to 150mm, Custom Size Stainless Steel Flats available
- Length : 1 to 6 Meters, Custom Cut Lengths
- Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
- Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
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Related Specifications
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Australia
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AS 2837-1986 431
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Germany
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W.Nr 1.4057 X20CrNi17 2
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Great Britain
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BS970 Part3 1991 431S29
BS970 – 1955 EN57 |
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Japan
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JIS G4303 SuS 431
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USA
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ASTM A276-98b 431
SAE 51431 AISI 431 UNS S43100 |
most trusted DIN 1.4057 SS Bars, SS 431 Rectangular Bar, 431 Steel Hollow Bars Suppliers
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Colour Code
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Stocked Sizes
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Purple
(Bar end) |
STOCKED SIZES
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6.35 to 260 mm diameter.
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Bar Finish
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Peeled, Cold Drawn
Turned and Polished, and Centreless Ground. |
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Are you looking for ASTM A276 AISI 431 Stainless Steel Round Bars and Black Bar, Stainless Steel 431 Hexagon Bar and Polish Bars exporter?
Typical applications of grade 431 stainless steels include the following:
- Marine systems
- Laboratory equipment
- Pump and propeller shafts
- Beater bars
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