Nascent Pipe & Tubes is one of the prominent stockiest and dealer of Stainless Steel 446 Fasteners (Bolts / Nuts), which is available in different shapes and sizes at reasonable price to our customers. At the solution treating temperature, 1900 Degree F, Stainless Steel 446 Hex Head Bolts is austenitic but undergoes transformation to a low – carbon martensitic structure during cooling to room temperature. When frequent thermal cycling is involved. We are best Manufacturers, Exporters & Stockists of Stainless Steel 446 Bolt/Nut in United States.
Stainless Steel 446 Hex Head Nuts is resistant to about 1850 Degree F, where this transformation is not complete until the temperature drops to 90 Degree F. The high chromium and relatively low nickel content of Stainless Steel 446 Square Bolts provide good resistance to high temperature sulphur bearing atmospheres. Stainless Steel 446 Square Nuts has only moderate resistance to carbon absorption and is not suggested for use in highly carburizing atmospheres. Prolonged exposure to the 1100 Degree F – 1600 Degree F temperature range in Stainless Steel 446 Eye Bolts will cause some sigma to form, lowering room temperature ductility and impact resistance.
Stainless Steel 446 Bolt/Nut Manufacturers, Stainless Steel 446 Bolt/Nut Suppliers, Stainless Steel 446 Bolt/Nut Stockists, Stainless Steel 446 Bolt/Nut Exporters
Stainless Steel 446 Bolt/Nut Manufacturers in United States, Stainless Steel 446 Bolt/Nut Suppliers in United States, Stainless Steel 446 Bolt/Nut Stockists in United States, Stainless Steel 446 Bolt/Nut Exporters in United States
Because Stainless Steel 446 Eye Nuts is an air hardening steel, it must be given a high preheat, at least 350 Degree F – 400 Degree F before welding, and immediately given a full anneal before the weldment cools.
Otherwise Stainless Steel 446 U-Bolts will harden, and cracking is likely, where this hardening treatment also tempers the martensitic structure, increasing ductility and toughness.
SS 446 Bolt/Nut Specifications
| Specifications |
ASTM A 193 ASME SA 193 |
| Standard |
DIN, ASTM, BS and all International Standards |
| Length |
3 mm to 200 mm |
| Size |
M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type |
Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
446 Stainless Steel Bolt/Nut Chemical Composition
| Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
| 446 |
- |
– |
– |
– |
– |
– |
23.0 |
– |
– |
0.10 |
| max. |
0.2 |
1.5 |
0.75 |
0.040 |
0.030 |
30.0 |
– |
0.50 |
0.25 |
Stainless Steel 446 Bolt/Nut Mechanical Properties
| Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
| Hardness Rockwell B (HR B) max |
Hardness Brinell (HB) max |
| 446 |
485 |
275 |
20 |
92 |
201 |
Stainless Steel 446 Bolt/Nut Physical Properties
| Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (m/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-1000°C (J/kg.K) |
Electrical Resistivity(n.m) |
| 0-1000C |
0-3150C |
0-5380C |
at 1000C |
at 5000C |
| 446 |
7750 |
200 |
9.9 |
11.4 |
11.6 |
24.9 |
28.7 |
460 |
570 |
Equivalent Grades for 446 Stainless Steel Bolt/Nut
| Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
| BS |
En |
No |
Name |
| 446 |
S44600 |
– |
– |
1.4762 / 1.4763 |
– |
– |
– |
Our Export
Domestic Area
| Mumbai |
Ahmedabad |
Bhopal |
Bikaner |
Pune |
| Delhi |
Chennai |
Visakhapatnam |
Mangalore |
Nagpur |
| Bangalore |
Kolkata |
Siliguri |
Assam |
Indore |
| Hyderabad |
Surat |
Nashik |
Cochin |
Thane |
| Faridabad |
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Ranchi |
| Coimbatore |
Mysore |
Salem |
Tirupur |
Bikaner |
| Raipur |
Bhubaneswar |
Bhilai |
Ankleshwar |
Bhiwandi |
| Vadodra |
Kochi |
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