SMO 254 is a too austenitic evaluation tempered steel. The focal alloying metals in this evaluation of solidified steel are molybdenum and nitrogen. Pondering a high substance of molybdenum and nitrogen, in the blend, the catches offer high security from pitting and opening use. Further, this assessment of treated steel is has an impact quality, on different occasions that of examination 316.
Also, SMO 254 Material Fasteners have a high determination when appeared contrastingly equivalent to standard austenitic solidified prepares, for instance, 316L and is inferred have great worth as well. UNS S31254 6mo Fasteners offers uncommon security from stress related decay separating as the accompany have been bug outlined. The catch may in like manner be used without the need to re-empower at testing up to 120°C. The nonattendance of sulfur close by its high cementing rate, makes this mix hard to machine. In any case the way that, using sharp overpowered machine contraptions, positive feeds, marvelous degree of oil close by moderate rates is known to offer exceptional machining results.
Omaa Metal Sources, Hot working errands like Forging, upsetting and various exercises can be performed between a temperature level of 982 - 1149°C (1800 - 2100°F). warming the mix past this temperature will cause the 1.4547 Bolts scale and will to in like manner decline the handiness of the material.The blend for SMO 254 can be hardened by warming it to a temperature range between 1149 °C - 1204°C later which the solid should be water covered. Cementing the mix ASTM A479 UNS S31254 fosters its use resistance.
The 254 SMO Fasteners is irritating considering its high building up rate, cold working the mix prompts a development in quality and sturdiness. The compound can be cold worked using all standard methods. Since the composite of 254 SMO Bolts doesn't respond to warm treatment, the most effective way to manage harden the mix is by nippy rot.
Occupations of the SMO 254 Fasteners join Desalination plant gear, Seawater supervising plans, Control and instrumentation chambers, Paper and squash, Chemical making due, Flue gas desulphurisation units in power plants. In express applications, the SMO 254 Material Bolts have superseded or subbed high nickel and titanium content mixes by winding up being a reasonable other choice.
Specifications of 254 SMO Fasteners | ASTM A479 & ASME SA479 |
Standard of 254 SMO Fasteners | DIN, ASTM, BS and all International Standards |
Length of 254 SMO Fasteners | 3 mm to 200 mm |
254 SMO Nuts Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
254 SMO Bolt / Screw Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
254 SMO Machine Screws Size | M1.6 - M12 |
254 SMO Washers Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
Stainless Steel Grades | SMO 254 |
254 SMO Fasteners Type | Socket Screw, Hex Set Screw, Cap Screw, Machine Screw, Wing Screw, Spring Washers, Washers, Studs, Marine Anchors, Anchors, Hexagon Nut,U- Bolts, Anchor Bolt, Mushroom Head Square Neck Bolts, J Bolts,Eye Bolt,Structural Bolts, Bolts, Nuts, Sockets, Screws, Allen Cap screw, Nut, Hex Coupling Nut, Hex Nut, Square Nut, Hex Domed Cap Nuts, Hex Head Bolts, Stud Bolts, Socket Hexagon Head Screw, Pan Head Screw, Socket Head Cap Screw, Wing Screw, T-Head Bolts, Foundation Bolts,Screw, Studs |
NOMINAL SIZE (D) |
BODY DIAMETER |
HEAD THICKNEASTM A193 |
ACROASTM A193 THE FLATS |
ACROASTM A193 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 |
Nut Size (mm) |
Diameter* (mm) |
Height (mm) |
||
---|---|---|---|---|
Hex Nut |
Jam Nut |
Nylock Nut |
||
2 |
4 |
1.6 |
1.2 |
- |
2.5 |
5 |
2 |
1.6 |
- |
3 |
5.5 |
2.4 |
1.8 |
4 |
4 |
7 |
3.2 |
2.2 |
5 |
5 |
8 |
4 |
2.7 |
5 |
6 |
10 |
5 |
3.2 |
6 |
7 |
11 |
5.5 |
3.5 |
- |
8 |
13 |
6.5 |
4 |
8 |
10 |
17 |
8 |
5 |
10 |
12 |
19 |
10 |
6 |
12 |
14 |
22 |
11 |
7 |
14 |
16 |
24 |
13 |
8 |
16 |
18 |
27 |
15 |
9 |
18.5 |
20 |
30 |
16 |
10 |
20 |
* This is the diameter across the flats. It is also the size of wrench to use. |
Size |
USS |
SAE |
||||
---|---|---|---|---|---|---|
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" |
Nominal Size or Basic Major Thread Diameter |
F |
G |
H |
||||||
Width Across Flats |
Width Across Corners |
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 |
Bolt Size
|
USS
|
SAE
|
||||
OD (in.)
|
ID (in.)
|
Thickness
|
OD (in.)
|
ID (in.)
|
Thickness
|
|
1/8 (#6)
|
-
|
-
|
-
|
0.375
|
0.156
|
.036/.065
|
5/32 (#8)
|
-
|
-
|
-
|
0.438
|
0.188
|
.036/.065
|
3/16 (#10)
|
0.560
|
0.250
|
.036/.065
|
0.500
|
0.220
|
.036/.065
|
7/32 (#12)
|
-
|
-
|
-
|
0.562
|
0.250
|
.051/.080
|
1/4 (#14)
|
0.734
|
0.312
|
.051/.080
|
0.625
|
0.281
|
.051/.080
|
5/16
|
0.875
|
0.375
|
.064/.104
|
0.688
|
0.344
|
.051/.080
|
3/8
|
1.000
|
0.438
|
.064/.104
|
0.812
|
0.406
|
.051/.080
|
7/16
|
1.250
|
0.500
|
.064/.104
|
0.922
|
0.469
|
.051/.080
|
1/2
|
1.375
|
0.562
|
.086/.132
|
1.062
|
0.531
|
.074/.121
|
9/16
|
1.469
|
0.625
|
.086/.132
|
1.156
|
0.594
|
.074/.121
|
5/8
|
1.750
|
0.688
|
.108/.160
|
1.312
|
0.656
|
.074/.121
|
3/4
|
2.000
|
0.812
|
.122/.177
|
1.469
|
0.812
|
.108/.160
|
7/8
|
2.250
|
0.938
|
.136/.192
|
1.750
|
0.938
|
.108/.160
|
1
|
2.500
|
1.062
|
.136/.192
|
2.000
|
1.062
|
.108/.160
|
1 1/8
|
2.750
|
1.250
|
.136/.192
|
2.250
|
1.250
|
.108/.160
|
1 1/4
|
3.000
|
1.375
|
.136/.192
|
2.500
|
1.375
|
.136/.192
|
1 3/8
|
3.250
|
1.500
|
.153/.213
|
2.750
|
1.500
|
.136/.213
|
1 1/2
|
3.500
|
1.625
|
.153/.213
|
3.000
|
1.625
|
.153/.213
|
1 5/8
|
3.750
|
1.750
|
.153/.213
|
-
|
-
|
-
|
1 3/4
|
4.000
|
1.875
|
.153/.213
|
-
|
-
|
-
|
1 7/8
|
4.250
|
2.000
|
.153/.213
|
-
|
-
|
-
|
2
|
4.500
|
2.125
|
.153/.213
|
-
|
-
|
-
|
2 1/4
|
4.750
|
2.375
|
.320/.248
|
-
|
-
|
-
|
2 1/2
|
5.000
|
2.625
|
.210/.280
|
-
|
-
|
-
|
2 3/4
|
5.250
|
2.875
|
.228/.410S
|
-
|
-
|
-
|
3
|
5.500
|
3.125
|
.249/.327
|
-
|
-
|
-
|
Nominal |
Thread. |
Hex Socket Size |
Body diameter and Head height |
Head Dia |
Soc. length |
||
Size |
Pitch |
Max |
Min |
Max |
Min |
||
J |
D /H |
A |
K |
||||
M3 |
0.5 |
2.50 |
3.00 |
2.86 |
5.50 |
5.20 |
1.3 |
M4 |
0.70 |
3.00 |
4.00 |
3.82 |
7.00 |
6.64 |
2.00 |
M5 |
0.8 |
4.00 |
5.00 |
4.82 |
8.50 |
8.14 |
2.70 |
M6 |
1.0 |
5.00 |
6.00 |
5.82 |
10.00 |
9.64 |
3.30 |
M8 |
1.25 |
6.00 |
8.00 |
7.78 |
13.00 |
12.57 |
4.3 |
M10 |
1.5 |
8.00 |
10.00 |
9.78 |
16.00 |
15.57 |
5.50 |
M12 |
1.75 |
10.00 |
12.00 |
11.73 |
18.00 |
17.57 |
6.60 |
M16 |
2.0 |
14.00 |
16.00 |
15.73 |
24.00 |
23.48 |
8.80 |
M20 |
2.5 |
17.00 |
20.00 |
19.67 |
30.00 |
29.48 |
10.70 |
M24 |
3.0 |
19.00 |
24.00 |
23.67 |
36.00 |
35.38 |
12.90 |
Stainless Steel Fasteners |
Stainless Steel Stud Bolts |
254 SMO Bolts and Nuts |
SIS 2378 Anchor Bolts Stockist |
SIS 2378 Stainless Steel Hex Nuts Torque |
254 SMO Tower Bolts Wholesaler |
254 SMO Hex Nuts |
UNS S31254 Stainless Steel U Bolts Supplier |
EN X1CrNiMoCuN20-18-7 Stainless Steel Stud Strength |
SIS 2378 Eye Bolt Manufacturer |
254 SMO Lock Nuts |
SIS 2378 Stainless Steel Stove Bolts Exporter |
254 SMO Tek Screw |
SMO 254 Roofing Screw |
UNS S31254 Stainless Steel Tie Bar |
254 SMO Threaded Rod |
ASME SA254 SMO Spherical Washer |
AISI SMO 254 Dock Washer |
254 SMO Star Washer |
SMO 254 Lock Washer |
SMO 254 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
17.5 – 18.5 |
0.02 max | 6 – 6.5 |
1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | SIS | GOST |
SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 | – |
Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
Properties |
Metric |
Imperial |
---|---|---|
Density |
8 g/cm3 |
0.289 lb/in3 |