Anker Schroeder is an approved manufacturer of forgings and forged accessories by ABS, DNV, Bureau Veritas, and Lloyd’s Register for industrial, lifting and mooring applications. The Quality management system is certified by Lloyd’s Register.

  • ASDO shackles are forged from high quality alloy steels from approved European sources
  • ASDO shackles are quenched and tempered according to approved heat treatment procedures complying with the latest requirements set by the Classification Societies.
  • Each batch is tested for mechanical properties by an accredited partner.
  • Each ASDO shackle is proof load tested.
  • The production history of each shackle is traceable to heat treatment batch, proof load test and inspection certificate.

Where requested the proof load test and final inspection is performed under the survey of a classification society, such as ABS, BV, DNV, LROS or any other officially certified inspection body at additional cost.

Certification requirements must be requested at time of order.

Marine Project References

Dublin Port

ASDO have supplied 160 tonnes of upset forged tie rods, M140/115 and M120/115. ASDO460 which were up to 29m long with full articulation at connections to piles and…

find out more



At a glance Operating instructions, declarations of performance and test certificates to download.

find out more