ASTM A995 Gr. 6A vs Zeron 1

[billbusy]

On many website, they list ASTM A995 Gr. 6A as an equivalent of Zeron or even as Zeron.

But when I check the chemical composition, it seems they are not exactly same.
ASTM A995 Gr. 6A
C-0.03%max,
Mn-1.0%max,
Si-1.0%.max,
S-0.025%max, (0.01% per Rolled Alloys Zeron 100)
P-0.030%max.
Cr-24-26%max.
Ni-6.5-8.5%, (6-8% per Rolled Alloys Zeron 100)
Mo-3-4%max.
N-0.2-0.3%max,
Cu-0.50-1.00max,
W-0.5-1.00max%,
PREN-40min.

Question:

1. Can we call ASTM A995 Gr. 6A as Zeron?
2. What is the impact of these chemical difference, especially in seawater corrosion service.

Thanks

 

[EdStainless]

Zeron is a trademark, if the material is not made by the holder or a licensee then you can't call it Zeron.
The alloy listed by RA is a wrought product, A995 is a casting spec and it will have a different chemistry.
The intention is that A995 6A is the cast equivalent of Zeron 100.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube