Iimathiriyeli zemibhobho yeHydrojeni kufuneka ibe yi-HR31603 okanye ezinye izinto ezivavanyiweyo ukuqinisekisa ukuhambelana okuhle kwe-hydrogen. Xa ukhetha izinto zensimbi ezingenasici ze-austenitic, umxholo wayo we-nickel kufuneka ube mkhulu kune-12% kwaye ukulingana kwe-nickel akufanele kube ngaphantsi kwe-28.5%.