# International standards and technical compliance

> Engineered supply aligned with global project requirements

ENGIC supports engineered product supply across a broad range of international, regional, industry-specific, and client-specific standards.

Our work is not limited to one geography, one code system, or one procurement convention. We support projects operating under American, European, British, Japanese, Russian/CIS, Korean, Chinese, offshore, marine, oil and gas, water, infrastructure, utility, industrial, and project-specific requirements.

For EPCM, energy, infrastructure, and industrial clients, standards alignment is not a formality. It affects material selection, pressure ratings, dimensional compatibility, corrosion resistance, inspection scope, certification, documentation, installation, safety, and long-term asset integrity.

ENGIC helps clients source and coordinate products according to the applicable project specification, service conditions, inspection requirements, regulatory expectations, and delivery schedule.

## Oil, Gas, Pipeline & Energy Standards

- API — American Petroleum Institute
- API 5L — Line pipe
- API 5CT — Casing and tubing
- API 5DP — Drill pipe
- API 6A — Wellhead and Christmas tree equipment
- API 6D — Pipeline valves
- API 600 — Steel gate valves
- API 602 — Compact forged steel gate valves
- API 607 — Fire testing for quarter-turn valves and non-metallic seats
- API 608 — Metal ball valves
- API 609 — Butterfly valves
- API 594 — Check valves
- API 598 — Valve inspection and testing
- API 1104 — Welding of pipelines and related facilities

## Piping, Pressure, Flanges & Mechanical Standards

- ASME — American Society of Mechanical Engineers
- ANSI — American National Standards Institute
- ASME B16.5 — Pipe flanges and flanged fittings
- ASME B16.9 — Factory-made wrought butt-welding fittings
- ASME B16.10 — Face-to-face and end-to-end valve dimensions
- ASME B16.11 — Forged fittings, socket-welding and threaded
- ASME B16.20 — Metallic gaskets for pipe flanges
- ASME B16.25 — Butt-welding ends
- ASME B16.34 — Valves: flanged, threaded, and welding end
- ASME B16.47 — Large-diameter steel flanges
- ASME B31.1 — Power piping
- ASME B31.3 — Process piping
- ASME B31.4 — Pipeline transportation systems for liquids and slurries
- ASME B31.8 — Gas transmission and distribution piping systems
- ASME BPVC — Boiler and Pressure Vessel Code

## Materials, Testing & Quality Standards

- ASTM — Material specifications and testing standards
- A105 — Carbon steel forgings for piping applications
- A106 — Seamless carbon steel pipe for high-temperature service
- A182 — Forged or rolled alloy and stainless steel pipe flanges, fittings, valves, and parts
- A234 — Piping fittings of wrought carbon steel and alloy steel
- A312 — Seamless, welded, and heavily cold worked austenitic stainless steel pipe
- A333 — Seamless and welded steel pipe for low-temperature service
- A350 — Carbon and low-alloy steel forgings for low-temperature service
- A403 — Wrought austenitic stainless steel piping fittings
- A420 — Piping fittings of wrought carbon steel and alloy steel for low-temperature service
- A694 — Carbon and alloy steel forgings for pipe flanges, fittings, valves, and parts for high-pressure transmission service
- A860 — Wrought high-strength low-alloy steel butt-welding fittings

## Valve, Fitting & Manufacturer Standardisation

- MSS — Manufacturers Standardization Society
- MSS SP-25 — Standard marking system for valves, fittings, flanges, and unions
- MSS SP-44 — Steel pipeline flanges
- MSS SP-55 — Quality standard for steel castings
- MSS SP-75 — High-test wrought butt-welding fittings
- MSS SP-83 — Class 3000 steel pipe unions, socket-welding and threaded
- MSS SP-95 — Swage nipples and bull plugs
- MSS SP-97 — Integrally reinforced forged branch outlet fittings
- MSS SP-110 — Ball valves, threaded, socket-welding, solder joint, grooved, and flared ends

## European, British & International Standards

- EN — European Standards
- DIN — German standards
- BS — British Standards
- ISO — International Organization for Standardization
- PED — Pressure Equipment Directive
- EN 1092-1 — Flanges and their joints
- EN 10204 — Metallic product inspection documents
- EN 10210 — Hot-finished structural hollow sections
- EN 10219 — Cold-formed welded structural hollow sections
- EN 10253 — Butt-welding pipe fittings
- EN 10255 — Non-alloy steel tubes suitable for welding and threading
- EN 10297 — Seamless circular steel tubes for mechanical and general engineering purposes
- EN 10305 — Steel tubes for precision applications
- ISO 3183 — Petroleum and natural gas industries: steel pipe for pipeline transportation systems
- ISO 5208 — Industrial valves: pressure testing of metallic valves
- ISO 5211 — Industrial valves: part-turn actuator attachments
- ISO 5752 — Metal valves for use in flanged pipe systems: face-to-face and centre-to-face dimensions
- ISO 7005 — Pipe flanges
- ISO 9001 — Quality management systems
- ISO 14001 — Environmental management systems
- ISO 45001 — Occupational health and safety management systems

## Sour Service, Corrosion & Material Selection

- NACE MR0175 / ISO 15156 — Materials for use in H₂S-containing environments in oil and gas production
- NACE MR0103 — Materials resistant to sulfide stress cracking in corrosive petroleum refining environments
- AMPP standards — Corrosion control, coatings, materials performance, and asset integrity
- ISO 21457 — Materials selection and corrosion control for oil and gas production systems
- ISO 12944 — Corrosion protection of steel structures by protective paint systems

## Offshore, Marine & Energy Project Standards

- NORSOK — Norwegian petroleum industry standards
- DNV — Marine, offshore, and energy standards
- ABS — American Bureau of Shipping
- Lloyd's Register — Marine and offshore classification
- BV — Bureau Veritas
- RINA — Marine and offshore classification
- IEC — Electrical and instrumentation standards
- IEEE — Electrical, electronic, and power systems standards

## Japanese, Korean, Chinese & Russian/CIS Standards

- JIS — Japanese Industrial Standards
- JPI — Japan Petroleum Institute standards
- KS — Korean Standards
- GB — Chinese national standards
- HG / SH / JB — Chinese chemical, petrochemical, and machinery standards
- GOST — Russian/CIS standards
- TR CU / EAC — Eurasian conformity and customs union requirements

## Water, Utility & Infrastructure Standards

- AWWA — American Water Works Association
- BS EN utility standards
- ISO water and infrastructure standards
- Ductile iron pipe and fitting standards
- Coating, lining, and pressure-pipe standards
- Municipal and authority-specific specifications

## Electrical & Conduit Standards

- UL 6 — Rigid metal conduit
- UL 797 — Electrical metallic tubing
- UL 1242 — Intermediate metal conduit
- ANSI C80.1 — Rigid steel conduit
- ANSI C80.3 — Electrical metallic tubing
- ANSI C80.6 — Intermediate metal conduit
- IEC standards — Electrical and instrumentation systems
- Project-specific electrical installation standards

Source page: https://engic.ltd/standards