Izinto zamapayipi e-hydrogen kufanele zibe yi-HR31603 noma ezinye izinto ezihloliwe ukuze kuqinisekiswe ukuhambisana okuhle kwe-hydrogen. Uma ukhetha i-austenitic steel stainless steel, okuqukethwe kwayo kwe-nickel kufanele kube kukhulu kuno-12% futhi okulingana ne-nickel akufanele kube ngaphansi kuka-28.5%.