A bolt is a mechanism that connects or holds two or more components together. To fasten said components, bolts and nuts are used together. While the requirements for various applications change, a bolt's construction material will likewise differ depending on that standard. For instance, the duplex grade DIN 1.4462 Studs, which has a high mechanical strength. Additionally, Duplex steel uns S31803 Fasteners and astm a276/a479 uns S31803 Bolts have stronger corrosion resistance qualities than austenitic stainless steels.
The Astm A479 Duplex Steel UNS S31803 Hex Bolts are effective in situations that contain hostile media because the alloy can withstand stress-related corrosion cracking. Unlike the Duplex Steel Uns S31803 Hex Cap Screw, chlorine ions are known to negatively impact stainless steels since they aggressively attack the metal. The marine industry, where the components are regularly exposed to saltwater that includes around 3.5 percent salt by its entire weight, finds use for the alloy's resistance to chlorine ions. The textile industry needs a metal like Asme Sa 479 S31803 Heavy Hex Bolt since it also uses salt and corrosive acids like sulfuric acid and HCl as reagents in processes like scouring and bleaching.
The Duplex Steel uns s31803 bolt would be an excellent addition to these businesses because the alloy has excellent resistance to chemical components such as acid, alkalis, and neutral solutions. Duplex alloys give their customers good weldability in terms of weldability. Therefore, in situations where a lasting bond is required, employing an Uns S31803 Socket Cap Screw in conjunction with a welding procedure is a practise. When compared to a typical austenitic alloy, the rate of corrosion for a Duplex S31803 Threaded Rod is reduced at higher temperatures.
| Standard | IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI and all International Standards |
|---|---|
| Threads: | BSF, UNF METRIC, UNC, BSW or as required |
| Standard | ANSI – American National Standards Institute
|
| Fasteners/ Bolts Size | M10, M4, M16, M36 M2.5, M6, M30, M12, M8, M14, M2, M3, M20, M24, M5 to M160 |
| Length | 3 mm to 200 mm |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe etc |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Finishing | Zinc white, (yellow, black, blue), black oxide,
Dacroment, Geometry, plated zinc-nickel, anodizing, nickel plated, Stainless steel: Passivated Self-Colour, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, Stainless Steel, some special one like DACROMET and Mechanically Applied coating |
| UNS S31803 Round Bar source to produce fasteners | JSPL, Usha Martin, Tata Steel, Mukund Steel, RINL, Dhamm Steel etc. |
| Form | Duplex Steel UNS S31803 Square, Hex, Threading as per Gauge, Round Etc. |
| Process of Production | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| Surface Coating |
|
| Packing | IN BULK: pallet, canton, carton / Small Boxs / pallet or customer request |
| Cr | N | Ni | C | Mn | Si | P | S | Mo | |
|---|---|---|---|---|---|---|---|---|---|
| UNS S31803 | min: 21.0 max: 23.0 |
min: 0.08 max: 0.20 |
min: 4.5 max: 6.5 |
0.03 max |
2.0 max |
1.0 max |
0.03 max |
0.02 max |
min: 2.5 max: 3.5 |
Grade |
Tensile Strength (MPa) min |
Elongation (% in 50mm) |
Yield Strength 0.2% Proof (MPa) min |
Hardness Rockwell C (HR C) |
|---|---|---|---|---|
UNS-S 31803 |
650-880 |
25 |
448 |
Density lbm/in3 |
Electrical Resistivity mW•in |
Electrical Resistivity (in x 10-6) |
Heat Capacity BTU/lbm•°F |
Thermal Conductivity (BTU/hr•ft•°F) |
|
|---|---|---|---|---|---|
at 68°F |
0.278 |
0.112 |
8.7 |
27.6 |
33.5 |
at 212°F |
0.119 |
9.2 |
26.1 |
35.4 |
|
at 392°F |
0.127 |
9.8 |
25.4 |
37.4 |
|
at 572°F |
0.134 |
10.4 |
24.9 |
39.4 |
Duplex |
Common Name |
Related Specifications |
||
|---|---|---|---|---|
European |
UNS |
ASTM/ASME |
||
SAF 2205 ® |
1.4462 |
S31803 |
||
Nominal Size of Hex Nuts or Basic Major Thread Dia |
F |
G |
H |
||||||
|---|---|---|---|---|---|---|---|---|---|
Width Across Flats |
Width Across Corners |
UNS S31803 Nuts Thickness |
|||||||
Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
||
1/4 |
.2500 |
7/16 |
.438 |
.428 |
.505 |
.488 |
7/32 |
.226 |
.212 |
5/16 |
.3125 |
1/2 |
.500 |
.489 |
.577 |
.557 |
17/64 |
.273 |
.258 |
3/8 |
.3750 |
9/16 |
.562 |
.551 |
.650 |
.628 |
21/64 |
.337 |
.479 |
7/16 |
.4375 |
11/16 |
.688 |
.675 |
.794 |
.768 |
3/8 |
.385 |
.365 |
1/2 |
.5000 |
3/4 |
.750 |
.736 |
.866 |
.840 |
7/16 |
.448 |
.427 |
9/16 |
.5625 |
7/8 |
.875 |
.861 |
1.010 |
.982 |
31/64 |
.496 |
.473 |
5/8 |
.6250 |
15/16 |
.938 |
.922 |
1.083 |
1.051 |
35/64 |
.559 |
.535 |
3/4 |
.7500 |
1-1/8 |
1.125 |
1.088 |
1.299 |
1.240 |
41/64 |
.665 |
.617 |
7/8 |
.8750 |
1-5/16 |
1.312 |
1.269 |
1.516 |
1.447 |
3/4 |
.776 |
.724 |
1 |
1.0000 |
1-1/2 |
1.500 |
1.450 |
1.732 |
1.653 |
55/64 |
.887 |
.831 |
1-1/8 |
1.1250 |
1-11/16 |
1.688 |
1.631 |
1.949 |
1.859 |
31/32 |
.999 |
.939 |
1-3/8 |
1.3750 |
2-1/16 |
2.062 |
1.994 |
2.382 |
2.273 |
1-11/64 |
1.206 |
1.138 |
1-1/2 |
1.500 |
2-1/4 |
2.250 |
2.175 |
2.598 |
2.480 |
1-9/32 |
1.ASTM A194 GR. 8 |
1.245 |
1-5/8 |
1.6250 |
2-7/16 |
2.438 |
2.356 |
2.815 |
2.686 |
1-25/64 |
1.429 |
1.353 |
1-3/4 |
1.7500 |
2-5/8 |
2.625 |
2.538 |
3.031 |
2.893 |
1-1/2 |
1.540 |
1.460 |
2 |
2.0000 |
3 |
3.000 |
2.900 |
3.464 |
3.306 |
1-23/32 |
1.763 |
1.675 |
2-1/4 |
2.2500 |
3-3/8 |
3.375 |
3.263 |
3.897 |
3.719 |
1-15/16 |
1.986 |
1.890 |
2-1/2 |
2.5000 |
3-3/4 |
3.750 |
3.625 |
4.330 |
4.133 |
2-5/32 |
2.209 |
2.105 |
2-3/4 |
2.7500 |
4-1/8 |
4.125 |
3.988 |
4.763 |
4.546 |
2-3/8 |
2.431 |
2.319 |
NOMINAL SIZE (D) |
BODY DIAMETER |
HEAD THICKNESS |
ACROSS THE FLATS |
ACROSS CORNERS |
||||
|---|---|---|---|---|---|---|---|---|
D (MAX) |
D (MIN) |
H (MAX) |
H (MIN) |
F (MAX) |
F (MIN) |
C (MAX) |
C (MIN) |
|
m10 |
10.00 |
9.78 |
6.63 |
6.17 |
17.00 |
15.73 |
18.48 |
17.77 |
m12 |
12.00 |
11.73 |
7.76 |
4.24 |
19.00 |
17.73 |
20.78 |
20.03 |
m14 |
14.00 |
13.73 |
9.09 |
8.51 |
22.00 |
20.67 |
24.25 |
23.35 |
m16 |
16.00 |
15.73 |
10.32 |
9.68 |
24.00 |
23.67 |
27.71 |
26.75 |
m20 |
20.00 |
19.67 |
12.88 |
12.12 |
30.00 |
29.16 |
34.64 |
32.95 |
m24 |
24.00 |
23.67 |
15.44 |
14.56 |
36.00 |
35.00 |
41.57 |
39.55 |
m30 |
30.00 |
29.67 |
19.48 |
17.92 |
46.00 |
45.00 |
53.12 |
50.85 |
m36 |
36.00 |
35.61 |
23.38 |
21.63 |
55.00 |
53.80 |
63.51 |
60.79 |
m42 |
42.00 |
41.38 |
26.97 |
25.03 |
65.00 |
62.90 |
75.06 |
71.71 |
m48 |
48.00 |
47.38 |
31.07 |
28.93 |
75.00 |
72.60 |
86.60 |
82.76 |
m56 |
56.00 |
55.26 |
36.2 |
33.80 |
85.00 |
82.20 |
98.15 |
93.71 |
m64 |
64.00 |
63.26 |
41.32 |
38.68 |
95.00 |
91.80 |
109.70 |
104.65 |
m72 |
72.00 |
71.26 |
46.45 |
43.55 |
105.00 |
101.40 |
121.24 |
115.60 |
m80 |
80.00 |
79.26 |
51.58 |
48.42 |
115.00 |
111.00 |
132.72 |
126.54 |
m90 |
90.00 |
89.13 |
57.74 |
54.26 |
130.00 |
125.50 |
150.11 |
143.07 |
m100 |
90.00 |
99.13 |
63.9 |
60.10 |
145.00 |
140.00 |
167.43 |
159.60 |
Size |
USS UNS S31803 Washer |
SAE UNS S31803 Flat Washer |
||||
|---|---|---|---|---|---|---|
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
|
#2 |
- |
- |
- |
3/32" |
1/4" |
0.020" |
#4 |
- |
- |
- |
1/8" |
5/16" |
0.032" |
#6 |
- |
- |
- |
5/32" |
3/8" |
0.049" |
#8 |
- |
- |
- |
3/16" |
7/16" |
0.049" |
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| Wholesale fasteners bolts and nuts duplex astm a276 uns s31803 anchor bolts high quality thread rod | South Africa, Taiwan, Philippines, Kuwait |
| AISI 2205 F51 UNS S31803 stainless steel hex bolts and nuts M6 x 25 | Bahrain, South Korea, Malaysia, Singapore |
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| UNS S31803 Duplex 2205 bolt torque wrench m24 bolt eye bolt with wing nut | Finland, Malaysia, Dubai, USA |
| Duplex UNS S31803 M24 Full Thread DIN912 Hex Socket Screws Allen Bolt | Brazil, Spain, Malaysia, Germany |
| nickel based alloy duplex stainless steel UNS S31803 j bolts | UAE, South Africa, Singapore, Europe |
| duplex stainless 1.4462 hex bolt hex nut high tensile fasteners | Nigeria, Ellington -United States, Canada, Australia |
| UNS S31803 Hex Machine Bolt | UAE, Singapore, Italy, Malaysia |
