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Precipitation Hardened Stainless

17-4

17-4 PH(630): ASTM A-564, & ASTM A-484

GENERAL SCOPE:

17-4 PH is a martensitic, precipitation hardened stainless steel that is used in a variety of oilfield applications.

ADDITIONAL INFORMATION:

This alloy can achieve a wide variety of strength levels when properly solution annealed and age hardened.

CHEMICAL COMPOSITION:

C Mn P S Si Cr Ni Cu Nb/Ta
Minimum 15.000 3.000 3.000 0.150
Maximum 0.070 1.000 0.040 0.030 1.000 17.500 5.000 5.000 0.450

COMMONLY STOCKED STRENGTH LEVELS:

Double H 1150 condition to 105,000 psi minimum yield - limited to a Rockwell C -33 maximum for compliance NACE MR-01-75/ISO 15156 (for use in hydrogen sulfide environments- special restrictions apply)

Solution Annealed - no mechanical properties; suitable for further aging

COMMONLY STOCKED MATERIAL FORMS:

Rolled bar

Forged bar

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