Oil & Gas Fastening Solutions
The oil and gas industry demands fasteners that can withstand extreme conditions including high pressures, high temperatures, corrosive environments, and sour gas service. Our comprehensive range meets all major industry standards and specifications.
Application Areas
Upstream - Drilling
Wellhead equipment, drilling rigs, BOP systems, mud pumps
Upstream - Production
Christmas trees, manifolds, separators, production platforms
Midstream - Transport
Pipelines, compressor stations, pumping stations, storage tanks
Downstream - Refining
Refineries, crackers, distillation columns, heat exchangers
LNG Facilities
Cryogenic service, liquefaction plants, LNG terminals
Offshore Platforms
Fixed platforms, FPSO, tension leg platforms, subsea equipment
Sour Service Fasteners (H2S Environment)
NACE MR0175/ISO 15156 Compliant Materials:
Duplex 2205
UNS S31803 / S32205
SSC resistant
Up to 22 HRC
Super Duplex 2507
UNS S32750
Higher strength
Sour gas wells
Inconel 625
UNS N06625
Extreme H2S environments
High temperature
Incoloy 925
UNS N09925
Age-hardenable
Downhole equipment
ASTM A193 B7M
Hardness controlled
Mild sour service
≤22 HRC
ASTM A453 Grade 660
Classes A, B, C, D
Wide temperature range
NACE compliant
High Temperature Service
| Material | Max Temperature | Application |
|---|---|---|
| ASTM A193 B7 | 538°C (1000°F) | Refinery piping, pressure vessels |
| ASTM A193 B16 | 593°C (1100°F) | High temperature reactors |
| Inconel 718 | 700°C (1292°F) | Gas turbines, exhaust systems |
| Inconel 625 | 980°C (1800°F) | Flares, incinerators |
Corrosion Resistant Materials
- Seawater/Chlorides: 316 SS, Duplex 2205, Super Duplex 2507
- Sour Gas (H2S): Duplex alloys, Inconel 625, Incoloy 925
- CO2 Service: 316 SS, Duplex 2205, Hastelloy C-276
- Acids: Hastelloy C-276, Zirconium, Tantalum
- Caustic: Nickel 200, Monel 400, Alloy 20
Industry Standards & Certifications
NACE MR0175/ISO 15156
Sour service compliance for H2S environments
API Specifications
API 5L, API 6A, API 17D compliance
NORSOK M-650
Qualified duplex and super duplex bolting
ASME B31.3/B31.8
Process piping and gas transmission
Coatings for Oil & Gas
PTFE Coating
Low friction, anti-galling
Chemical resistance
Xylan® 1070
Dry film lubricant
Corrosion protection
Zinc-Nickel
Superior corrosion protection
Offshore environments
Electroless Nickel
Uniform coating
Wear resistance
Material Selection Guidelines
Sweet Gas (No H2S): Standard materials - B7, 316 SS
Mild Sour (< 0.05 psi H2S): B7M, Duplex 2205
Moderate Sour (0.05-1.5 psi H2S): Super Duplex, Inconel 625
Severe Sour (> 1.5 psi H2S): Inconel 718, Incoloy 925
High Chloride (Seawater): 6Mo (254 SMO), Super Duplex 2507