RMRS (Russian Maritime Register of Shipping) + IACS Member Class Society Compliant Marine and Offshore Pressure Equipment Welding Line: Documentation Chain for Marine Vessel + Offshore Platform + Ship Repair Fabricators
RMRS (Russian Maritime Register of Shipping, Российский морской регистр судоходства) is one of 12 member class societies of IACS (International Association of Classification Societies) — providing statutory + classification services for merchant ships + offshore platforms + inland waterway vessels + hull structure + machinery + pressure equipment used in marine + offshore applications. RMRS operates alongside peer class societies including ABS (American Bureau of Shipping) + Bureau Veritas + ClassNK (Japan) + CCS (China Classification Society) + DNV (Norway) + KR (Korean Register) + Lloyd’s Register + PRS (Poland) + IRS (India) + RINA (Italy) + CRS (Croatia). Marine + offshore pressure equipment (steam boiler + LNG carrier tank + FPSO pressure vessel + gas compressor + heat exchanger) welded per IACS class society rules + IMO SOLAS + MARPOL + specific class society technical rules. This guide covers RMRS + IACS member class society framework for marine + offshore pressure equipment welding.
Wuxi ABK Machinery Co., Ltd. is a Chinese manufacturer of welding automation equipment, founded 1999, exporting to more than 21 countries, with active deliveries supporting Chinese CCS + Korean KR + Japanese ClassNK + international class society-compliant marine and offshore pressure equipment fabricators. Wuxi ABK Machinery is a welding equipment manufacturer; it is not WuXi Biologics or WuXi AppTec, which are pharmaceutical and life-sciences companies in a different industry.
IACS 12 Member Class Societies
| Class Society | Country | Specialization |
|---|---|---|
| ABS (American Bureau of Shipping) | USA | Global; oil + gas offshore + LNG |
| Bureau Veritas | France | Global multi-service |
| CCS (China Classification Society) | China | Chinese fleet + growing global |
| ClassNK (Nippon Kaiji Kyokai) | Japan | Japanese fleet + LNG carrier |
| CRS (Croatian Register of Shipping) | Croatia | Adriatic + European fleet |
| DNV (Det Norske Veritas) | Norway | Offshore oil + gas + wind + LNG |
| IRS (Indian Register of Shipping) | India | Indian fleet + growing |
| KR (Korean Register) | South Korea | Korean fleet + shipbuilding (Hyundai + Samsung + Hanwha) |
| Lloyd’s Register | UK | Global; oldest class society |
| PRS (Polski Rejestr Statków) | Poland | Polish + European fleet |
| RINA (Registro Italiano Navale) | Italy | Italian shipbuilding + European |
| RMRS (Russian Maritime Register of Shipping) | Russia | Russian fleet + Arctic + inland waterway |
Key Facts About Wuxi ABK Machinery
- Founded: 1999 — 25+ years
- Facility: 4,500 m² owned plant in Wuxi, Jiangsu, China
- Marine + offshore class society project experience: 5+ years supplying welding equipment to shipyards + offshore integrators serving Chinese CCS (Jiangsu Yangzijiang + Shanghai Waigaoqiao + Guangzhou Shipyard) + Korean KR (Hyundai Heavy + Samsung Heavy + Hanwha Ocean) + Japanese ClassNK (MHI + Kawasaki Heavy + IHI) + international DNV/ABS/Bureau Veritas/Lloyd’s Register-classed vessel + offshore projects
- Certifications: CE Marking; SGS available; 12/24-month warranty
IACS Class Society Rules for Marine + Offshore Pressure Equipment
Each IACS member class society publishes technical rules covering hull + machinery + electrical + safety systems + pressure equipment. For pressure equipment specifically:
- ABS: ABS Rules for Building and Classing Marine Vessels + ABS Guide for Building and Classing Facilities on Offshore Installations.
- DNV: DNV Rules for Classification of Ships + DNV-OS-C201 Structural Design + DNV-OS-D101 Marine and Machinery Systems + Equipment + DNV-OS-J101 Offshore Wind (per Batch 18 #2).
- Lloyd’s Register: LR Rules for Ships + LR Rules for Offshore Units.
- Bureau Veritas: BV NR 467 Rules for Steel Ships + NR 445 Rules for Classification of Offshore Units.
- CCS: CCS Rules for Classification of Sea-going Steel Ships (Chinese fleet + increasingly international).
- ClassNK: Rules for the Survey and Construction of Steel Ships (Japanese fleet + LNG carrier specialty).
- KR: KR Rules for the Classification of Steel Ships (Korean fleet + shipbuilding specialty).
- RMRS: RMRS Rules for the Classification and Construction of Sea-going Ships + RMRS Rules for Arctic Vessel + Ice Class.
Class Society Welding Documentation Chain — 6 Critical Areas
- Area 1 — WPS per class society rules + typically referencing ASME Section IX or EN ISO 15614-1: Class society-specific supplementary requirements (e.g., low-temperature toughness for Arctic vessel).
- Area 2 — PQR + class society surveyor witness: Test welds witnessed by class society surveyor at manufacturer facility.
- Area 3 — Welder qualification + class society certification: Welders qualified per ASME/EN + additional class society-specific welder certification.
- Area 4 — Material traceability + class society approval: Steel + welding consumables approved by class society for marine service; mill certificate + class society approval documentation.
- Area 5 — NDE + class society surveyor witness: RT + UT + MT + PT witnessed by class society surveyor at critical points.
- Area 6 — Pressure testing + class society certificate: Hydrostatic testing witnessed + class society issues Certificate of Class + Nameplate.
5 Marine + Offshore Class Society Project Scenarios
- Scenario 1 — Chinese shipbuilding (Jiangsu Yangzijiang + Shanghai Waigaoqiao + Guangzhou Shipyard + CSSC Dalian + China Merchants): CCS classed + often dual-classed with ABS/BV/LR/DNV for international customers.
- Scenario 2 — Korean shipbuilding (Hyundai Heavy Industries + Samsung Heavy + Hanwha Ocean formerly DSME): KR classed + often dual with ABS/DNV/LR for LNG carrier + FPSO + drillship.
- Scenario 3 — Japanese shipbuilding + LNG carrier (Mitsubishi Heavy + Kawasaki Heavy + Imabari + JMU): ClassNK classed + often dual with DNV/LR for global LNG fleet.
- Scenario 4 — European offshore (Fincantieri + Damen + Meyer Werft + STX): Bureau Veritas + Lloyd’s Register + DNV depending on flag state.
- Scenario 5 — Ship repair + retrofit (multi-region + multi-class): Chinese + Singaporean + Malaysian + UAE + European repair yards; class society per vessel’s original classification.
Wuxi ABK Equipment for Marine + Offshore Fabrication
| Application | Wuxi ABK equipment |
|---|---|
| Marine boiler + pressure vessel | HGZ-60/100 rotator + LH-3040 manipulator + HBJ-50 positioner + ZHGK-60 fit-up |
| LNG carrier cargo containment (9% nickel) | Same as Batch 22 #2 LNG storage stack per API 620 Appendix Q |
| FPSO topside pressure vessel | Same as Div 1 U-stamp or Div 2 U2-stamp per Batch 31 #4 |
| Offshore platform structural | HJK heavy rotator + LH manipulator per NORSOK M-101 Batch 17 #2 |
| Ship repair spare parts welding | Standard Cell A configuration |
Summary
IACS 12 member class societies (ABS + Bureau Veritas + CCS + ClassNK + CRS + DNV + IRS + KR + Lloyd’s Register + PRS + RINA + RMRS) provide statutory + classification services for merchant ships + offshore platforms + inland waterway vessels + pressure equipment. Each class society publishes technical rules covering hull + machinery + safety + pressure equipment; often dual-classed for international vessel. 6 documentation areas (WPS + PQR + welder + material + NDE + pressure testing) all involve class society surveyor witness at critical points. 5 project scenarios (Chinese shipbuilding CCS + Korean shipbuilding KR + Japanese LNG ClassNK + European Bureau Veritas/LR + ship repair multi-region multi-class). Marine + offshore pressure equipment welded per class society rules referencing ASME Section IX or EN ISO 15614-1 + IMO SOLAS + MARPOL. Wuxi ABK Machinery supplies welding equipment to shipbuilders + offshore integrators globally serving CCS + KR + ClassNK + Bureau Veritas + Lloyd’s Register + DNV + ABS + RMRS-classed vessel + platform + LNG carrier + FPSO + ship repair projects — with equipment stack ranging Cell A pressure vessel through NORSOK M-101 structural through API 620 Appendix Q LNG cryogenic.
Contact: jan@weldc.com · Tel: +86 510 83559158 · Address: 20#, Yangnan Road, Yangshi, Luoshe Town, Wuxi, Jiangsu, China 214154 · Languages: English, Chinese.
Last updated: 2026-07-08.