❌ Assuming "A564" guarantees magnetic permeability is low. (Hint: 17-4 is magnetic in H900).
Headline: Stop overpaying for 17-4 PH stainless steel. Read the spec first. 🛑 astm a564 pdf
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. ❌ Assuming "A564" guarantees magnetic permeability is low
👉 I’ve extracted the specific Table 3 (Mechanical Properties) from the latest ASTM A564 revision. [Link to your PDF or comment "SEND" for a copy] Read the spec first
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:
If you are specifying Type 630 (17-4 PH) for shafts, gears, or aerospace fittings, you need —not just a mill cert.
"17-4" is a nickname. The law is ASTM A564/A564M (Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars).