Pressure equipment
Flanges, valves and pressure vessels
🏅 PED 2014/68/EU Certificate No. MUE-008-002-2026
PED Certified Fasteners & Flange Bolt Sets
ASTM A193 and A320 stud-bolt grades for Pressure Equipment Directive 2014/68/EU projects
PED-certified stud bolts for pressure equipment
Procurement and engineering teams can use this page to confirm which ASTM A193 and A320 grades are covered under LOKRON's PED quality scope and which documents are available for EU pressure equipment, industrial valves, piping systems and oil & gas projects.
PED certified stud boltsPED certified flange boltingPressure equipment fastenersASTM A193 B7ASTM A320 L7
For EU pressure equipment procurement
Build a quotation-ready PED documentation package
A PED fastener order is more than a grade name. Confirm the exact certificate scope, stud bolt dimensions, heat or lot traceability, EN 10204 Type 3.1 material test reports, dimensional inspection records and any NACE or Charpy requirements before release.
✓ Certificate scope
✓ Grade and dimension review
✓ EN 10204 3.1 MTR
✓ Service-condition records
🏅 PED 2014/68/EU Certified Grade Specifications
ASTM A193 / ASME SA193
Alloy & Stainless Stud Bolts
Sizes: M16 – M76 (5/8" – 3")
Finish: Plain · Hot-Dip Galvanised · PTFE/Xylan Coated
🏅 PED 2014/68/EU CertifiedCertified under PED 2014/68/EU — Valid to February 2029
| Grade | Material | Temp Range |
|---|---|---|
| B7 | Cr-Mo Alloy (4140/4142) | Up to 427°C / 800°F |
| B7M | Cr-Mo Alloy (modified) | Low-alloy, sour service |
| B16 | Cr-Mo-V Alloy | Up to 540°C / 1000°F |
| B8 | AISI 304 Stainless | Cryogenic to +538°C |
| B8M | AISI 316 Stainless | Cryogenic to +538°C |
Typical Applications
- ›High-temperature flanges
- ›Pressure vessels
- ›Industrial valves
- ›Heat exchangers
- ›Reactor piping systems
Documentation
- ✓EN 10204 3.1 Mill Certs
- ✓NACE MR0175/MR0103
- ✓PED Conformity Declaration
ASTM A320 / ASME SA320
Low-Temperature Stud Bolts
Sizes: M16 – M76 (5/8" – 3")
Finish: Plain · Mechanically Galvanised
🏅 PED 2014/68/EU CertifiedCertified under PED 2014/68/EU — Valid to February 2029
| Grade | Material | Temp Range |
|---|---|---|
| L7 | Cr-Mo Alloy (4140) | Down to −101°C / −150°F |
| L7M | Cr-Mo Alloy (modified) | Down to −101°C / −150°F |
| B8 | AISI 304 Stainless | Down to −196°C / −320°F |
| B8M | AISI 316 Stainless | Down to −196°C / −320°F |
Typical Applications
- ›LNG / cryogenic equipment
- ›Low-temperature pressure vessels
- ›Offshore platforms
- ›Cold-service valves
- ›Sub-sea pipelines
Documentation
- ✓EN 10204 3.1 Mill Certs
- ✓Charpy Impact Reports
- ✓PED Conformity Declaration
Need a specific grade, size or certification?
We supply complete flange bolt sets with mill certificates (MTR), EN 10204 3.1/3.2 reports and PED declarations on request.
Request Technical QuotePED fastener FAQ
Does LOKRON supply PED-certified flange bolt sets?
Yes. LOKRON supplies ASTM A193 or A320 stud bolts for EU pressure equipment and flanged joints. Confirm the exact grade, dimensions, certificate scope and required documentation against the project specification before order release.
What PED-certified fastener grades does LOKRON supply?
LOKRON supplies PED-certified stud bolt grades under ASTM A193 and ASTM A320, including B7, B7M, B16, B8, B8M, L7 and L7M within the scope of Certificate No. MUE-008-002-2026.
What documents are included with PED-certified stud bolts?
Typical documentation includes EN 10204 Type 3.1 material test reports, dimensional inspection records, PED declarations of conformity, and NACE or Charpy impact test records where the service condition requires them.
Which applications are typical for PED-certified stud bolts?
Typical applications include pressure-vessel closures, flanged pipe systems, industrial valves, heat exchangers, low-temperature process equipment and oil-and-gas pressure-containing joints.
Engineered for demanding applications
See where LOKRON high-strength fasteners perform: pressure equipment, process plants, power generation and precision vehicle systems.
Oil & gas
Pipeline and high-pressure flange service
Petrochemical
Heat exchangers and process piping
Power generation
High-temperature and critical-duty joints