Duplex Steel Fasteners
Duplex Steel Fasteners, Duplex Fasteners, Duplex Stainless Steel Fasteners, Duplex Steel Bolts, Duplex Bolts, Duplex Nuts, Duplex Lug Nuts
Our duplex stainless steel fasteners are available in a wide range of dimensional sizes, thread profiles and surface finishes and are designed to address the common industrial difficulties of stress corrosion cracking, cyclic fatigue and surface wear. The controlled microstructural chemistry offers improved tensile strength and localized toughness such that these parts may endure intense structural pressure and high heat loads without yielding. This makes them very well suited for important structural connections and high stress mechanical systems.
Duplex Acorn Lug Nuts, Duplex Steel Washers, Duplex Steel Screws, Duplex Fasteners Suppliers, Duplex Steel Fasteners Manufacturers
Material test certificates (MTC) ensure every production lot meets ASTM and ASME quality, safety, and testing standards. Wooden containers, hefty cartons, and anti-corrosion wrapping protect thread geometry during shipping.
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Duplex Steel Fasteners Specification
Standard
ASTM A479 / ASME SA479
Dimensions
DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Sizes in Stock
M3 – M56 | 3/6″ to 2″ | Custom Sizes
Standard
IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI
Threads available
BSF, UNF METRIC, UNC, UNEF, BSW or as required
Threads Configuration
ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Forms
Hex, Threading, Square, Round as per Gauge Etc.
Head
Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
Types of Duplex Steel Fasteners
Duplex Steel Bolt
Duplex Steel Nuts
Duplex Steel Screws
Duplex Steel Washers
Duplex Steel Stud Bolt
Duplex Steel Threaded Rod
Duplex Steel Anchor Bolt
Duplex Steel
Hex Bolt
Duplex Steel
Hex Nut
Reach out to Metracore Alloys for reliable Duplex Steel Fasteners solutions
Technical Details of Duplex Steel Fasteners
Dimensions of Duplex Steel Bolts Fasteners
| Nominal Size Of D | Diameter Of Body | ASTM A193 Head Thickness | ASTM A193 Flats Acro | ASTM A193 Corners Acro | ||||
|---|---|---|---|---|---|---|---|---|
| D (MAXIMUM) | D (MINIMUM) | H (MAXIMUM) | H (MINIMUM) | F (MAXIMUM) | F (MINIMUM) | C (MAXIMUM) | C (MINIMUM) | |
| 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 |
Duplex Steel Nuts Fasteners Dimensions
| Nominal Size Of Thread Diameter | F | G | H | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Across Flats Width |
Across Corners Width |
Thickness Row | |||||||
| Basic | Maximum | Minimum | Maximum | Minimum | Basic | Maximum | Minimum | ||
| 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 |
Duplex Steel Flat Washers Fasteners Dimensions
| Bolt Size | USS | SAE | ||||
| ID (in.) | OD (in.) | Thickness | ID (in.) | OD (in.) | Thickness | |
| 5/32 (#8) | – | – | – | 0.188 | 0.438 | .036/.065 |
| 1/8 (#6) | – | – | – | 0.156 | 0.375 | .036/.065 |
| 7/32 (#12) | – | – | – | 0.250 | 0.562 | .051/.080 |
| 3/16 (#10) | 0.250 | 0.560 | .036/.065 | 0.220 | 0.500 | .036/.065 |
| 1/4 (#14) | 0.312 | 0.734 | .051/.080 | 0.281 | 0.625 | .051/.080 |
| 3/8 | 0.438 | 1.000 | .064/.104 | 0.406 | 0.812 | .051/.080 |
| 5/16 | 0.375 | 0.875 | .064/.104 | 0.344 | 0.688 | .051/.080 |
| 7/16 | 0.500 | 1.250 | .064/.104 | 0.469 | 0.922 | .051/.080 |
| 9/16 | 0.625 | 1.469 | .086/.132 | 0.594 | 1.156 | .074/.121 |
| 1/2 | 0.562 | 1.375 | .086/.132 | 0.531 | 1.062 | .074/.121 |
| 5/8 | 0.688 | 1.750 | .108/.160 | 0.656 | 1.312 | .074/.121 |
| 7/8 | 0.938 | 2.250 | .136/.192 | 0.938 | 1.750 | .108/.160 |
| 3/4 | 0.812 | 2.000 | .122/.177 | 0.812 | 1.469 | .108/.160 |
| 1 | 1.062 | 2.500 | .136/.192 | 1.062 | 2.000 | .108/.160 |
| 1 1/4 | 1.375 | 3.000 | .136/.192 | 1.375 | 2.500 | .136/.192 |
| 1 1/8 | 1.250 | 2.750 | .136/.192 | 1.250 | 2.250 | .108/.160 |
| 1 3/8 | 1.500 | 3.250 | .153/.213 | 1.500 | 2.750 | .136/.213 |
| 3 | 3.125 | 5.500 | .249/.327 | – | – | – |
| 1 5/8 | 1.750 | 3.750 | .153/.213 | – | – | – |
| 1 1/2 | 1.625 | 3.500 | .153/.213 | 1.625 | 3.000 | .153/.213 |
| 1 3/4 | 1.875 | 4.000 | .153/.213 | – | – | – |
| 2 | 2.125 | 4.500 | .153/.213 | – | – | – |
| 1 7/8 | 2.000 | 4.250 | .153/.213 | – | – | – |
| 2 1/2 | 2.625 | 5.000 | .210/.280 | – | – | – |
| 2 1/4 | 2.375 | 4.750 | .320/.248 | – | – | – |
| 2 3/4 | 2.875 | 5.250 | .228/.410S | – | – | – |
Weight Chart Of Duplex Steel Fasteners
| APPROX WEIGHT IN K.G. PER 1000 PIECE | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Size |
M10 |
M12 |
M16 |
M18 |
M20 |
M22 |
M24 |
M27 |
M30 |
M33 |
M36 |
M39 |
M42 |
M45 |
M48 |
M52 |
M56 |
M60 |
M64 |
M72 |
|
50 |
40.60 |
57.02 |
107.00 |
139.00 |
178.25 |
222.00 |
265.00 |
390.00 |
513.25 |
648.00 |
795.00 |
– |
– |
– |
– |
– |
– |
– |
– |
– |
|
55 |
43.70 |
61.42 |
114.00 |
147.00 |
188.50 |
235.00 |
283.00 |
410.00 |
538.50 |
676.00 |
835.00 |
– |
– |
– |
– |
– |
– |
– |
– |
– |
|
60 |
46.80 |
65.82 |
121.00 |
155.00 |
198.75 |
248.00 |
301.00 |
430.00 |
563.75 |
704.00 |
875.00 |
1087.00 |
– |
– |
– |
– |
– |
– |
– |
– |
|
65 |
49.90 |
70.22 |
128.00 |
163.00 |
209.00 |
261.00 |
319.00 |
450.00 |
589.00 |
732.00 |
915.00 |
1134.00 |
– |
– |
– |
– |
– |
– |
– |
– |
|
70 |
53.00 |
74.62 |
136.00 |
171.00 |
219.25 |
274.00 |
337.00 |
470.00 |
614.25 |
760.00 |
955.00 |
1181.00 |
1390.00 |
– |
– |
– |
– |
– |
– |
– |
|
75 |
56.10 |
79.02 |
144.00 |
179.00 |
229.50 |
287.00 |
355.00 |
490.00 |
639.50 |
788.00 |
995.00 |
1228.00 |
1445.00 |
– |
– |
– |
– |
– |
– |
– |
|
80 |
59.20 |
83.42 |
152.00 |
187.00 |
239.75 |
300.00 |
373.00 |
510.00 |
664.75 |
821.00 |
1035.00 |
1275.00 |
1500.00 |
1900.00 |
– |
– |
– |
– |
– |
– |
|
85 |
62.30 |
87.82 |
160.00 |
195.00 |
250.00 |
313.00 |
391.00 |
531.00 |
690.00 |
854.00 |
1075.00 |
1322.00 |
1555.00 |
1945.00 |
– |
– |
– |
– |
– |
– |
|
90 |
65.40 |
92.22 |
168.00 |
203.00 |
260.25 |
326.00 |
409.00 |
552.00 |
716.50 |
887.00 |
1115.00 |
1369.00 |
1610.00 |
1990.00 |
2220.00 |
– |
– |
– |
– |
– |
|
95 |
68.50 |
96.62 |
176.00 |
211.00 |
270.50 |
339.00 |
427.00 |
573.00 |
743.00 |
920.00 |
1155.00 |
1416.00 |
1665.00 |
2035.00 |
2290.00 |
– |
– |
– |
– |
– |
|
100 |
71.60 |
101.02 |
184.00 |
219.00 |
280.75 |
352.00 |
445.00 |
594.00 |
769.50 |
953.00 |
1195.00 |
1463.00 |
1720.00 |
2080.00 |
2360.00 |
2640.00 |
3400.00 |
– |
– |
– |
|
110 |
77.80 |
110.00 |
200.00 |
237.00 |
301.25 |
377.00 |
481.00 |
636.00 |
824.75 |
1023.00 |
1250.00 |
1530.00 |
1824.00 |
2170.00 |
2500.00 |
2810.00 |
3590.00 |
4240.00 |
4910.00 |
– |
|
120 |
84.00 |
119.00 |
216.00 |
253.00 |
321.75 |
402.00 |
517.00 |
678.00 |
880.00 |
1093.00 |
1330.00 |
1620.00 |
1928.00 |
2260.00 |
2640.00 |
2980.00 |
3780.00 |
4460.00 |
5160.00 |
6820.00 |
|
130 |
90.20 |
127.80 |
232.00 |
269.00 |
342.25 |
427.00 |
553.00 |
720.00 |
935.25 |
1163.00 |
1410.00 |
1710.00 |
2032.00 |
2350.00 |
2780.00 |
3150.00 |
3970.00 |
4680.00 |
5410.00 |
7130.00 |
|
140 |
96.40 |
136.60 |
248.00 |
285.00 |
362.75 |
452.00 |
589.00 |
762.00 |
990.25 |
1233.00 |
1490.00 |
1800.00 |
2136.00 |
2440.00 |
2920.00 |
3320.00 |
4160.00 |
4900.00 |
5660.00 |
7440.00 |
|
150 |
102.60 |
145.40 |
264.00 |
301.00 |
383.25 |
477.00 |
625.00 |
804.00 |
1045.75 |
1303.00 |
1570.00 |
1890.00 |
2240.00 |
2530.00 |
3060.00 |
3490.00 |
4350.00 |
5120.00 |
5910.00 |
7750.00 |
|
160 |
108.80 |
154.20 |
280.00 |
317.00 |
403.75 |
502.00 |
661.00 |
846.00 |
1101.00 |
1373.00 |
1650.00 |
1980.00 |
2344.00 |
2620.00 |
3200.00 |
3660.00 |
4540.00 |
5340.00 |
6160.00 |
8060.00 |
|
170 |
115.00 |
163.00 |
296.00 |
333.00 |
424.25 |
527.00 |
697.00 |
888.00 |
1156.25 |
1443.00 |
1730.00 |
2070.00 |
2448.00 |
2710.00 |
3340.00 |
3830.00 |
4730.00 |
5560.00 |
6410.00 |
8370.00 |
|
180 |
121.20 |
172.00 |
312.00 |
349.00 |
444.75 |
552.00 |
733.00 |
930.00 |
1211.50 |
1513.00 |
1810.00 |
2160.00 |
2552.00 |
2800.00 |
3480.00 |
4000.00 |
4920.00 |
5780.00 |
6660.00 |
8680.00 |
|
190 |
127.40 |
181.00 |
328.00 |
365.00 |
465.25 |
577.00 |
769.00 |
972.00 |
1266.75 |
1583.00 |
1890.00 |
2250.00 |
2656.00 |
2890.00 |
3620.00 |
4170.00 |
5110.00 |
6000.00 |
6910.00 |
8990.00 |
|
200 |
133.60 |
190.00 |
344.00 |
381.00 |
485.75 |
602.00 |
805.00 |
1014.00 |
1322.00 |
1653.00 |
1970.00 |
2340.00 |
2760.00 |
2980.00 |
3760.00 |
4340.00 |
5300.00 |
6220.00 |
7160.00 |
9300.00 |
|
210 |
139.80 |
199.00 |
360.00 |
397.00 |
506.25 |
627.00 |
841.00 |
1056.00 |
1377.25 |
1723.00 |
2050.00 |
2430.00 |
2864.00 |
3070.00 |
3900.00 |
4510.00 |
5490.00 |
6440.00 |
7410.00 |
9610.00 |
|
220 |
146.00 |
208.00 |
376.00 |
413.00 |
526.75 |
652.00 |
877.00 |
1098.00 |
1432.50 |
1793.00 |
2130.00 |
2520.00 |
2968.00 |
3160.00 |
4040.00 |
4680.00 |
5680.00 |
6660.00 |
7660.00 |
9920.00 |
|
230 |
152.20 |
217.00 |
392.00 |
429.00 |
547.25 |
677.00 |
913.00 |
1140.00 |
1487.75 |
1863.00 |
2210.00 |
2610.00 |
3072.00 |
3250.00 |
4180.00 |
4850.00 |
5870.00 |
6880.00 |
7910.00 |
10230.00 |
|
240 |
158.40 |
226.00 |
408.00 |
445.00 |
567.75 |
702.00 |
949.00 |
1182.00 |
1543.00 |
1933.00 |
2290.00 |
2700.00 |
3176.00 |
3340.00 |
4320.00 |
5020.00 |
6060.00 |
7100.00 |
8160.00 |
10540.00 |
|
250 |
164.60 |
235.00 |
424.00 |
461.00 |
588.25 |
727.00 |
985.00 |
1224.00 |
1598.25 |
2003.00 |
2370.00 |
2790.00 |
3280.00 |
3430.00 |
4460.00 |
5190.00 |
6250.00 |
7320.00 |
8410.00 |
10850.00 |
|
260 |
170.80 |
244.00 |
440.00 |
477.00 |
608.75 |
752.00 |
1021.00 |
1266.00 |
1653.50 |
2073.00 |
2450.00 |
2880.00 |
3384.00 |
3520.00 |
4600.00 |
5360.00 |
6440.00 |
7540.00 |
8660.00 |
11160.00 |
|
270 |
177.00 |
253.00 |
456.00 |
493.00 |
629.25 |
777.00 |
1057.00 |
1308.00 |
1708.75 |
2143.00 |
2530.00 |
2970.00 |
3488.00 |
3610.00 |
4740.00 |
5530.00 |
6630.00 |
7760.00 |
8910.00 |
11470.00 |
|
280 |
183.20 |
262.00 |
472.00 |
509.00 |
649.75 |
802.00 |
1093.00 |
1350.00 |
1764.00 |
2213.00 |
2610.00 |
3060.00 |
3592.00 |
3700.00 |
4880.00 |
5700.00 |
6820.00 |
7980.00 |
9160.00 |
11780.00 |
|
290 |
189.40 |
271.00 |
488.00 |
525.00 |
670.25 |
827.00 |
1129.00 |
1392.00 |
1819.25 |
2283.00 |
2690.00 |
3150.00 |
3696.00 |
3790.00 |
5020.00 |
5870.00 |
7010.00 |
8200.00 |
9410.00 |
12090.00 |
|
300 |
195.60 |
280.00 |
504.00 |
541.00 |
690.75 |
852.00 |
1165.00 |
1434.00 |
1874.50 |
2353.00 |
2770.00 |
3240.00 |
3800.00 |
3880.00 |
5160.00 |
6040.00 |
7200.00 |
8420.00 |
9660.00 |
12400.00 |
|
310 |
201.80 |
289.00 |
520.00 |
557.00 |
711.25 |
877.00 |
1201.00 |
1476.00 |
1929.75 |
2423.00 |
2850.00 |
3330.00 |
3904.00 |
3970.00 |
5300.00 |
6210.00 |
7390.00 |
8640.00 |
9910.00 |
12710.00 |
|
320 |
208.00 |
298.00 |
536.00 |
573.00 |
731.75 |
902.00 |
1237.00 |
1518.00 |
1985.00 |
2493.00 |
2930.00 |
3420.00 |
4008.00 |
4060.00 |
5440.00 |
6380.00 |
7580.00 |
8860.00 |
10160.00 |
13020.00 |
|
330 |
214.20 |
307.00 |
552.00 |
589.00 |
752.25 |
927.00 |
1273.00 |
1560.00 |
2040.25 |
2563.00 |
3010.00 |
3510.00 |
4112.00 |
4150.00 |
5580.00 |
6550.00 |
7770.00 |
9080.00 |
10410.00 |
13330.00 |
|
340 |
220.40 |
316.00 |
568.00 |
605.00 |
772.75 |
952.00 |
1309.00 |
1602.00 |
2095.50 |
2633.00 |
3090.00 |
3600.00 |
4216.00 |
4240.00 |
5720.00 |
6720.00 |
7960.00 |
9300.00 |
10660.00 |
13640.00 |
|
350 |
226.60 |
325.00 |
584.00 |
621.00 |
793.25 |
977.00 |
1345.00 |
1644.00 |
2150.75 |
2703.00 |
3170.00 |
3690.00 |
4320.00 |
4330.00 |
5860.00 |
6890.00 |
8150.00 |
9520.00 |
10910.00 |
13950.00 |
|
360 |
232.80 |
334.00 |
600.00 |
637.00 |
813.75 |
1002.00 |
1381.00 |
1686.00 |
2206.00 |
2773.00 |
3250.00 |
3780.00 |
4424.00 |
4420.00 |
6000.00 |
7060.00 |
8340.00 |
9740.00 |
11160.00 |
14260.00 |
|
370 |
239.00 |
343.00 |
616.00 |
653.00 |
834.25 |
1027.00 |
1417.00 |
1728.00 |
2261.25 |
2843.00 |
3330.00 |
3870.00 |
4528.00 |
4510.00 |
6140.00 |
7230.00 |
8530.00 |
9960.00 |
11410.00 |
14570.00 |
|
380 |
245.20 |
352.00 |
632.00 |
669.00 |
854.75 |
1052.00 |
1453.00 |
1770.00 |
2316.50 |
2913.00 |
3410.00 |
3960.00 |
4632.00 |
4600.00 |
6280.00 |
7400.00 |
8720.00 |
10180.00 |
11660.00 |
14880.00 |
|
390 |
251.40 |
361.00 |
648.00 |
685.00 |
875.25 |
1077.00 |
1489.00 |
1812.00 |
2371.75 |
2983.00 |
3490.00 |
4050.00 |
4736.00 |
4690.00 |
6420.00 |
7570.00 |
8910.00 |
10400.00 |
11910.00 |
15190.00 |
|
400 |
257.60 |
370.00 |
664.00 |
701.00 |
895.75 |
1102.00 |
1525.00 |
1854.00 |
2427.00 |
3053.00 |
3570.00 |
4140.00 |
4840.00 |
4780.00 |
6560.00 |
7740.00 |
9100.00 |
10620.00 |
12160.00 |
15500.00 |
Manufacturing Process of Duplex Steel Fasteners
Duplex Steel Fasteners Application
Products
FAQs
What are Duplex Steel Fasteners?
Which industries commonly use Duplex Steel Fasteners?
They are commonly specified for petrochemical refineries, chemical processing plants, naval applications, offshore oil drilling, desalination plants and heavy industrial buildings where large structural loads are typical.
Are Duplex Steel Fasteners suitable for marine applications?
Yeah. Their particular chemical composition makes them resistant to chloride stress corrosion cracking, pitting and crevice attack, making them the perfect choice for prolonged saltwater and marine splash zone exposure.
What grades are available in Duplex Steel Fasteners?
We manufacture parts in a range of performance grades – from standard Duplex 2205 (UNS S32205/S31803) to the highly alloyed Super Duplex 2507 (UNS S32750) for extreme circumstances.
Are Duplex Steel Fasteners resistant to chemical corrosion?
Why choose Duplex Steel Fasteners for industrial projects?
They provide a greater strength-to-weight ratio than standard carbon steels, requiring less material mass, eliminating the chance of unexpected stress cracking, and considerably extending the service life of equipment in a severe environment.
Exporter, Manufacturer & Supplier of Duplex Steel Fasteners in various material and sizes.