At JM Hardware®, we specialize in manufacturing Hastelloy C-276 fasteners, renowned for their exceptional performance in highly corrosive environments. As a leading Hastelloy C-276 fastener manufacturer, we are committed to providing top-quality solutions tailored to the unique needs of industries such as chemical processing, petrochemicals, and marine engineering. Our advanced manufacturing processes, strict quality control, and ability to deliver custom solutions make us your trusted partner for all Hastelloy B-3 fastener needs.
Hastelloy C-276 has a excellent resistance to localized corrosion, stress corrosion cracking, oxidizing and reducing media, which is suit for a wide variety of chemical process environments, including ferric and cupric chlorides, hot contaminated media (organic and inorganic), formic and acetic acids, seawater and brine solutions. Meanwhile, Hastelloy C276 is the few kinds of material that can withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide.
Different Countries Steel No. Chart
| Model | GB | ASTM | DIN | BS | AFNOR | |
| New grades | Old grades | |||||
| Hastelloy C-276 | NS3304 | NS334 | UNS N10276 | W.Nr.2.4819 / NiMo16Cr15W | NC17D | |
| Hastelloy C-4 | 2.461 | |||||
| Hastelloy C-22 | NS3308 | UNS N06022 | W.Nr.2.4602 | |||
| Hastelloy C-2000 | UNS N06200 | 2.4675 | ||||
| Hastelloy C-59 | UNS N06059 | 2.4605 | ||||
| Hastelloy B | NS3201 | NS321 | UNS N10001 | |||
| Hastelloy B-2 | NS3202 | NS322 | UNS N10665 | 2.46 | NiMo28 | |
| Hastelloy B-3 | NS3203 | UNS N10675 | 2.46 | |||
| Hastelloy X | UNS N06002 | 2.4665 | ||||
Forms of Hastelloy C-276 Fastener Available at JM-INDUSTRY
| Product name | Standard No. | Size | |
| BOLT | HEX HEAD BOLT | ANSI/ASME B18.2.1, DIN933, DIN931 | 1/4”-4”, M5-M100 |
| SOCKET CAP SCREW | ANSI/ASME B18.3, DIN912, DIN7991, DIN913/916 | 1/4”-4”, M5-M100 | |
| FLANGE BOLT | ANSI/ASME B18.2.3.4M-2001, DIN 6921 | 1/2”-4”, M10-M100 | |
| EYE BOLT | ANSI/ASME, DIN standard | 1/2”-4”, M10-M100 | |
| OTHER BOLT | U BOLT, T BOLT, J BOLT, SQURE HEAD BOLT, SHOULDER BOLT, AND NON-STANDARD BOLT ACCORDING TO CUSTOMER NEEDS. | ||
| STUD | THREADED ROD/BAR | ANSI/ASME, DIN975/DIN976 | 3/8”-4”, M5-M100 |
| DOUBLE ENDS STUDS | ANSI/ASME, DIN STANDARD | 3/8”-4”, M5-M100 | |
| NUT | HEX NUT | ANSI/ASME B18.2.2, DIN934 | 1/4”-4”, M5-M100 |
| HEAVY HEX NUT | ANSI/ASME B18.2.2, DIN standard | 1/2”-4”, M12-M100 | |
| NYLON LOCK NUT | ANSI/ASME B18.16.6-2008, DIN 985,DIN982 | 1/2”-4”, M12-M100 | |
| FLANGE NUT | ANSI/ASME, DIN6923 | 1/2”-4”, M12-M100 | |
| COUPLING NUT/LONG NUT | ANSI/ASME, DIN STANDARD | 1/2”-4”, M12-M100 | |
| SQUARE NUT | ANSI/ASME, DIN 557 | 1/2”-4”, M12-M100 | |
| HEX DOOMD CAP NUT | ANSI/ASME, DIN1587 | 1/2”-4”, M12-M100 | |
| WING NUT | ANSI/ASME, DIN315 | 1/2”-4”, M12-M100 | |
| WASHER | FLAT WASHER | ANSI/ASME B18.22.1, DIN125 | 3/8”-4”, M6-M100 |
| SPRING WASHER | ANSI/ASME B18.21.1, DIN127 | 3/8”-4”, M6-M100 |






Nonferrous Bolts,Hex Cap Screws, and Studs from JM Hardware® are according to ASTM F468M-05a
