Are you still using H900 for marine environments, or have you switched to H1150M?
Open ASTM A564. Look for Table 2 (Heat Treatment) . astm a564 pdf
Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes. Are you still using H900 for marine environments,
Since I cannot provide a direct downloadable PDF file due to copyright restrictions (ASTM standards are proprietary documents that must be purchased from ASTM International or authorized distributors), I have provided a comprehensive of the standard below. also known as precipitation-hardening (PH) steels
The standard is the primary specification for hot-rolled and cold-finished age-hardening stainless steel bars and shapes . These alloys, also known as precipitation-hardening (PH) steels, are prized for their unique ability to achieve high strength and hardness through low-temperature heat treatments while maintaining corrosion resistance comparable to austenitic grades like 304 stainless steel . Scope of the Specification