| 321 Stainless Steel Nuts | 321 Stainless Steel Bolts |
| 321 Stainless Steel Washers | 321 Stainless Steel Stud Bolt |
ASTM A193 B8T 321 Stainless Steel Fasteners, High Tensile Fasteners, Custom Grade & Size Available At Best Price & Free Sample
Vision Alloys are the leading manufacturer of high integrity special fasteners (e.g. bolts, set screws, stud-bolts, nuts and washers), meeting clients’ exacting demands for critical applications in hostile environments. Whether for offshore (buoyancy and petrochemical), seawater, pump, valve or nuclear, the demands for an exceptional service and supply is never ending. We believe manufacturing bolting in exotic materials is an art form and it is something we have perfected at Vision Alloys.
Our 321 Stainless Steel Fasteners product range includes 321 Stainless Steel Bolts, Hexagon head bolt, Hexagon head screw, Round head square neck bolt, Hexagon socket head cap screw in full thread and half thread, Hexagon wood screw, Hexagon socket button head screw, Hexagon socket button flange screw, Hexagon socket counter sunk head cap screw in full thread and half thread, square nuts, square weld nuts, hexagon weld nuts, thick nyloc nuts, hexagon flange nuts, threaded rods, dowel screws,Plain / Flat Washer, Spring Washers, Countersunk Washer,Tooth Lock Washer and many more. We provide products as per DIN, ANSI, JIS standards.
Material |
Size |
Standards | Length |
Specification |
Manufacturer |
321 Stainless Steel Fasteners
|
M02 to M33 |
ASTM A479 | 3 mm |
IS BS ASTM |
GKW Unbrako Kundan APL Sundaram Precision EBY Fastener Etc. |
Type of Fasteners: |
Bolts (Eyebolt) Stud Nuts (Nylock, Lock) Washer (Star, Plain) Allen Caps Screws (CSK, Pen Head, Philip, Mushroom, Cheese) Clamp (U, J, L) Grab Rivet (Pop & Hollo) Etc. |
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In Form of: |
Hex Square Round Threading as per Gauge Etc. |
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| Packing: | IN BULK :canton/pallet, Small Boxs/carton/ pallet, or customer request | |||
|---|---|---|---|---|
| Origin and service-region: | European
Origin of 321 Stainless Steel Fasteners are Western European. However projects with eastern origin are possible on request. |
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| TEST CERTIFICATE | Manufacturer Test Certificate as per EN 10204 / 3.1 | |||
| Product Grades: | 304, 304L, 316, 316L, 317, 317L, 310,321, 347, 410, 904L, 17-4PH, AL-6XN | |||
For Bolts & Screws: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H
For Nuts: A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040
For SHCS: F837B, F837C, F837E, F837
For Threaded Rods: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8M CL1 & CL2
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
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BS |
En |
No |
Name |
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321 |
S32100 |
321S31 |
58B, 58C |
1.4541 |
X6CrNiTi18-10 |
2337 |
SUS 321 |
321H |
S32109 |
321S51 |
- |
1.4878 |
X10CrNiTi18-10 |
- |
SUS 321H |
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted. |
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Chemical Composition
Typical Chemical compositional ranges for grade 321 Stainless Steel Fasteners
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
Other |
|
321 |
min. max |
- 0.08 |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 19.0 |
- |
9.0 12.0 |
0.10 |
Ti=5(C+N) 0.70 |
321H |
min. max |
0.04 0.10 |
2.00 |
0.75 |
0.045 |
0.030 |
17.0 19.0 |
- |
9.0 12.0 |
- |
Ti=4(C+N) 0.70 |
Mechanical Properties
Typical mechanical properties for grade 321 Stainless Steel Fasteners
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
Rockwell B (HR B) max |
Brinell (HB) max |
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321 |
515 |
205 |
40 |
95 |
217 |
321H |
515 |
205 |
40 |
95 |
217 |
321H also has a requirement for a grain size of ASTM No 7 or coarser. |
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Physical Properties
Typical physical properties for grade 321 Stainless Steel Fasteners
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
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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321 |
8027 |
193 |
16.6 |
17.2 |
18.6 |
16.1 |
22.2 |
500 |
720 |
