YUHONG HOLDING GROUP CO., LTD
| Studs/Bolts | ASME B18.2.1 |
| Delivery Time | 7 days |
| Thread Standards | ASME B1.1 |
| Payment Terms | T/T |
| Special Requirements | NACE MR0175 / ISO 15156 |
| Heavy Hex Nuts | ASME B18.2.2 |
| Supply Ability | 50000 Tons Per Year |
| Material Standard | ASTM A479 / ASME SA479 |
| Washers | ASME B18.22.1 |
| Packaging Details | Export Standard - Plastic Bags + Cartons + Plywood Pallets / Ply wooden case |
| Model Number | Stud Bolts, Nuts, Washers |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG |
| Place of Origin | China |
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Product Specification
| Studs/Bolts | ASME B18.2.1 | Delivery Time | 7 days |
| Thread Standards | ASME B1.1 | Payment Terms | T/T |
| Special Requirements | NACE MR0175 / ISO 15156 | Heavy Hex Nuts | ASME B18.2.2 |
| Supply Ability | 50000 Tons Per Year | Material Standard | ASTM A479 / ASME SA479 |
| Washers | ASME B18.22.1 | Packaging Details | Export Standard - Plastic Bags + Cartons + Plywood Pallets / Ply wooden case |
| Model Number | Stud Bolts, Nuts, Washers | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Brand Name | YUHONG | Place of Origin | China |
| High Light | ASTM A479 stud bolts ，UNS S31803 stud bolts ，S32750 stud bolts | ||
We supply high-quality Duplex and Super Duplex stainless steel fasteners manufactured in compliance with American (ANSI/ASME) standards, including stud bolts, heavy hex nuts, and washers. All products are manufactured from premium raw materials certified to ASTM A479 / ASME SA479 specifications, delivering exceptional mechanical properties and superior corrosion resistance for demanding industrial applications
Duplex S31803 (UNS S31803 / 2205) - 22% Cr, 5% Ni, 3% Mo - Offers approximately twice the yield strength of standard austenitic stainless steels (316/304), with excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. PREN value > 34.
Super Duplex S32750 (UNS S32750 / 2507) - 25% Cr, 7% Ni, 4% Mo - Premium grade with higher chromium and molybdenum content, providing superior strength and corrosion resistance for the most aggressive environments. Minimum tensile strength: 116 ksi [800 MPa], minimum yield strength: 80 ksi [550 MPa]. PREN value > 40
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
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