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Martensitic Stainless

420M/13CR

420 MOD(13 CHROME): ASTM A-484, & API 5CT

GENERAL SCOPE:

420 Mod, or as it is sometimes called 13 Chrome, is a martensitic stainless steel that is predominately used in a wide variety down hole oilfield applications. It is a very deep hardening, heat treatable stainless steel that contains Carbon, Manganese, and Chromium as the primary hardening elements.

ADDITIONAL INFORMATION:

420 Mod is suitable under the right heat treatment conditions for use in sour and CO2 environments for packers and downhole equipment.

CHEMICAL COMPOSITION:

C Mn P S Si Cr Mo
Minimum 0.180 0.400 0.150 12.500
Maximum .220 1.000 0.020 0.005 1.000 13.500

COMMONLY STOCKED STRENGTH LEVELS:

80,000 psi minimum yield and Rockwell C-22 max.

COMMONLY STOCKED MATERIAL FORMS:

Rolled bar

Seamless Tubing

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