FULLERKREG Special Alloy Fasteners — Products & Materials
FULLERKREG is a precision fastener manufacturer and wholesale supplier specializing in DIN/ISO/UNI/ASME standard and non-standard tailored fasteners, as well as raw material in a comprehensive range of special alloys. We serve OEM, MRO, and engineering procurement customers globally from our manufacturing base in China.
Product Range
| Category | Products |
|---|---|
| Fasteners | Bolts, nuts, screws, washers, studs, plugs — standard (DIN / ISO / UNI / ASME) and non-standard tailored |
| Raw Material | Round rods, hex bars, flat plates — available in all listed alloy grades |
Available Materials
Duplex & Super Duplex Stainless Steels
| Grade | UNS | Key Features |
|---|---|---|
| Duplex 2205 | S32205 | High strength, chloride SCC resistance |
| Duplex 2304 | S32304 (S32205 family) | Lean duplex, cost-effective |
| Super Duplex Zeron 100 | S32760 | Offshore & seawater service |
| Super Duplex 2507 | S32750 | Highest pitting resistance (PREN >40) |
Austenitic Stainless Steels
| Grade | Key Features |
|---|---|
| 304 / 304L | General-purpose corrosion resistance |
| 316 / 316L | Molybdenum addition for improved pitting resistance |
| 310 / 321 | High-temperature oxidation resistance |
| 254 SMO (S31254) | 6% Mo super-austenitic, seawater service |
| 904L (N08904) | Sulfuric & phosphoric acid resistance |
| XM-19 (S20910) | High-strength nitrogen-strengthened austenitic |
| A193 / 194 series | High-temperature and high-pressure bolting grades |
Nickel-Based Superalloys
| Grade | Key Features |
|---|---|
| Inconel 625 (N06625) | High strength, seawater & acid corrosion resistance |
| Inconel 718 (N07718) | Precipitation-hardened, aerospace & turbine bolting |
| Inconel X-750 (N07750) | High-temperature springs & fasteners |
| Incoloy 925 (N09925) | Age-hardenable, NACE MR0175 sour service |
| Incoloy 825 (N08825) | Sulfuric & phosphoric acid, oil & gas |
| Incoloy 800 / 800H (N08800/N08810) | High-temperature oxidation & carburization resistance |
| Nimonic 80A (N07080) | Gas turbine blades & high-temperature fasteners |
| Monel 400 (N04400) | Seawater & HF acid resistance, non-magnetic |
| Monel K-500 (N05500) | Age-hardenable Monel, high-strength marine |
| Hastelloy X (N06002) | High-temperature oxidation & stress rupture |
| Hastelloy C-276 (N10276) | Broadest corrosion resistance, reducing acids |
| Hastelloy C-22 (N06022) | Oxidizing + reducing mixed environments |
Titanium & Zirconium Alloys
| Grade | Standard | Key Features |
|---|---|---|
| Titanium Grade 2 | ASTM B348 Gr Ti2 | Commercially pure Ti, excellent corrosion resistance |
| Titanium Grade 5 (Ti-6Al-4V) | ASTM B348 Gr Ti5 | Highest strength-to-weight ratio |
| Titanium Grade 7 | ASTM B348 Gr Ti7 | Pd addition for improved reducing acid resistance |
| Titanium Grade 12 | ASTM B348 Gr Ti12 | Mo+Ni addition, elevated-temperature service |
| Zr702 (R60702) | ASTM B550 | Commercially pure Zr, chemical & nuclear service |
| Zr705 (R60705) | ASTM B550 | Zr-Nb alloy, higher strength + corrosion resistance |
High-Temperature Bolting Steels
| Grade | Standard | Key Features |
|---|---|---|
| A286 / Gr.660 | ASTM A453 | Fe-Ni-Cr superalloy, turbine & aerospace bolting |
| 1.7729 (20CrMoVTiB4-10) | EN 10269 | Cr-Mo-V-Ti-B, power plant bolting to 550°C |
| 17-4PH / 630 (S17400) | ASTM A564 | Precipitation-hardened, H900–H1150D conditions |
| 616 (S42200) | ASTM A565 | Martensitic PH, high-temperature turbine bolting |
Why FULLERKREG
- 📦 Full standard coverage — DIN / ISO / UNI / ASME standard and non-standard tailored fasteners
- 📄 Material traceability — EN 10204 3.1 / 3.2 Material Test Certificates on request
- 🔧 Engineering support — material cross-referencing, substitution analysis, and custom specifications
- 🌍 Global shipping — from our manufacturing base in China to customers worldwide
- 💰 Wholesale pricing — competitive rates for OEM and MRO procurement
Ready to source? Contact FULLERKREG with your material grade, standard, dimensions, and quantity — our engineering team will respond with a quote promptly.
FULLERKREG — Precision Fasteners. Global Standards. Reliable Supply.