Mold-Quality Steel | McMaster-Carr

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31 Products

About Steel

Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.

Hardened Easy-to-Machine P20 Tool Steel

Yield Strength: 101,000 psi
Hardness: Rockwell C25 (Hard)
Fabrication: See table

Hardened to resist impact and abrasion, P20 tool steel is also strong and easy to machine because of its low carbon content. It has the wear resistance and highly polishable surface needed to fabricate long-lasting molds and dies.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Rods

Dia.	Dia. Tolerance	Fabrication	Mechanical Finish	Straightness Tolerance		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1"	0.01" to 0.039"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000	000000	0000000
1 1/4"	0.01" to 0.041"	Hot Rolled	Unfinished	3/16" per ft.	0000000	00000	000000	000000
1 1/2"	0.015" to 0.041"	Hot Rolled	Unfinished	3/16" per ft.	0000000	00000	000000	000000
1 3/4"	0.015" to 0.041"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000	000000	000000
2"	0.015" to 0.047"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000	000000	000000
2 1/2"	0.015" to 0.051"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000	000000	000000
3"	0.015" to 0.051"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000	000000	00000000

Discs

1/2" Lg.
Dia.	Dia. Tolerance	Fabrication	Mechanical Finish	Straightness Tolerance		Each
4"	0.02" to 0.073"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
6"	0.05" to 0.118"	Forged	Unfinished	3/16" per ft.	0000000	00000
8"	0.06" to 0.157"	Forged	Unfinished	3/16" per ft.	0000000	00000
10"	0.1" to 0.125"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
1" Lg.
4"	0.02" to 0.073"	Hot Rolled	Unfinished	3/16" per ft.	0000000	00000
6"	0.05" to 0.118"	Forged	Unfinished	3/16" per ft.	0000000	00000
8"	0.06" to 0.157"	Forged	Unfinished	3/16" per ft.	0000000	000000
10"	0.1" to 0.125"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
1 1/2" Lg.
4"	0.02" to 0.073"	Hot Rolled	Unfinished	3/16" per ft.	0000000	00000
6"	0.05" to 0.118"	Forged	Unfinished	3/16" per ft.	0000000	000000
8"	0.06" to 0.157"	Forged	Unfinished	3/16" per ft.	0000000	000000
10"	0.1" to 0.125"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
2 1/2" Lg.
4"	0.02" to 0.073"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
6"	0.05" to 0.118"	Forged	Unfinished	3/16" per ft.	0000000	000000
8"	0.06" to 0.157"	Forged	Unfinished	3/16" per ft.	0000000	000000
10"	0.1" to 0.125"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
4" Lg.
4"	0.02" to 0.073"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
6"	0.05" to 0.118"	Forged	Unfinished	3/16" per ft.	0000000	000000
8"	0.06" to 0.157"	Forged	Unfinished	3/16" per ft.	0000000	000000
10"	0.1" to 0.125"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
6" Lg.
4"	0.02" to 0.073"	Hot Rolled	Unfinished	3/16" per ft.	0000000	000000
6"	0.05" to 0.118"	Forged	Unfinished	3/16" per ft.	0000000	000000
8"	0.06" to 0.157"	Forged	Unfinished	3/16" per ft.	0000000	000000
10"	0.1" to 0.125"	Hot Rolled	Unfinished	3/16" per ft.	0000000	00000000