Astm A564 Pdf May 2026

"17-4" is a nickname. The law is ASTM A564/A564M (Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars).

Headline: Stop overpaying for 17-4 PH stainless steel. Read the spec first. 🛑 astm a564 pdf

I’ve seen too many buyers just ask for "Condition H900" without verifying the mechanical limits. Here is why the is your best friend for the next RFQ: "17-4" is a nickname

If you are specifying Type 630 (17-4 PH) for shafts, gears, or aerospace fittings, you need —not just a mill cert. Read the spec first

❌ Assuming "A564" guarantees magnetic permeability is low. (Hint: 17-4 is magnetic in H900).

Are you still using H900 for marine environments, or have you switched to H1150M? Option 2: Instagram / Threads / Carousel Script (Visual & Punchy) Slide 1 (Cover): Title: ASTM A564 Explained in 60 Seconds Subtitle: The bible for 17-4 PH bar stock.