Astm A564 Pdf ((install))

A semi-austenitic precipitation-hardening steel known for high strength and hardness, excellent fatigue properties, and good corrosion resistance. 3. ASTM A564 Type XM-25

Materials ordered under ASTM A564 are typically delivered in (Solution Treated or Solution Annealed). In Condition A, the material is relatively soft and easy to machine. After machining, the fabricator ages the material to achieve the desired mechanical properties.

Your or required heat treatment condition (e.g., H900, H1150) The type of component you are designing or manufacturing

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Grade 630, universally known as 17-4 PH, is the most widely used precipitation-hardening stainless steel. Its name originates from its nominal composition of 17% chromium and 4% nickel. astm a564 pdf

Type 631 is a semi‑austenitic precipitation‑hardening stainless steel known for exceptional fatigue resistance, making it the material of choice for .

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This means these grades are best suited for small‑diameter bars and wire forms, such as springs, rather than large forgings or heavy structural sections. In Condition A, the material is relatively soft

standard material specification for hot-rolled and cold-finished age-hardening stainless steel bars and shapes

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This standard covers several types of precipitation-hardening stainless steels used for parts that need durability at room temperature or elevated temperatures (up to for most types).

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The corrosion resistance of A564 alloys is generally better than that of standard 400 series stainless steels and is often comparable to 304 stainless steel.

The defining characteristic of ASTM A564 materials is that their final properties are achieved through a precisely controlled heat treatment process. These steels are generally supplied in one of two states: the solution-annealed condition (where they are softer and more machinable) or the age-hardened condition (where they have achieved their high strength).

If your supplier offers a DIN 1.4542 certificate, it is chemically identical to ASTM A564 Grade 630, but you must ensure the heat treatment condition matches.