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ALLOYS

8620

AISI 8620: ASTM A-29, & API SPEC 6A

GENERAL SCOPE:

8620 is a low alloy steel that is used in a variety of oilfield applications that require low strength or will be subjected to surface hardening. This alloy steel contains nominally .20% Carbon, with low levels of Chromium, Nickel, and Molybdenum.

This grade is a common alloy used for carburizing, where a high surface hardness and good core ductility are required.

CHEMICAL COMPOSITION:

C Mn P S Si Ni Cr Mo
Minimum 0.190 0.700 0.150 0.400 0.400 0.150
Maximum 0.230 0.900 0.025 0.025 0.350 0.700 0.600 0.250

COMMONLY STOCKED STRENGTH LEVELS:

Annealed or As-rolled - no mechanical properties; suitable for further heat treatment

COMMONLY STOCKED MATERIAL FORMS:

Rolled bar

Forged bar

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