ER 2209kua hangaia ki te weranga i nga kowiri tira penei i te 2205 (nama kore N31803).
ER 2553e whakamahia ana i te tuatahi ki te tarai i nga kakau kowhatu e tata ana ki te 25% kromium.
ER 2594he waea superdupled te waea. Ko te tau e rite ana ki te whakaeke (Pren) he 40 neke atu i te 40, na reira ka taea te tuku i te whakarewa i te maere kia kiia ko te kowiri tira SuperDupled.
Er2209 ER2553 ER2594 ER2594Hanga matū
| Kōeke | C | Mn | Si | P | S | Cr | Ni |
| ER2209 | 0.03 Max | 0.5 - 2.0 | 0.9 Max | 0.03 Max | 0.03 Max | 21.5 - 23.5 | 7.5 - 9.5 |
| Er2553 | 0.04 Max | 1.5 | 1.0 | 0.04 Max | 0.03 Max | 24.0 - 27.0 | 4.5 - 6.5 |
| Er2594 | 0.03 Max | 2.5 | 1.0 | 0.03 Max | 0.02 Max | 24.0 - 27.0 | 8.0 - 10.5 |
Te wa tuku: Jul-31-2023