Steel for Hot Tooling, and Part Produced From Said Steel, Method for the Production Thereof, and Uses of the Same

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United States of America Patent

APP PUB NO 20080302501A1
SERIAL NO

12095174

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Abstract

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The invention relates to steel for hot tooling, the composition of said steel being made up of the following weight percentages: 0.30%=C=0.39%, 4.00%=Cr=6.00%, traces=Si=0.50%, traces=Mn=0.80%, traces=W=1.45%, traces=Co=2.75%, 0.80%=Ni=2.80%, 1.50%=Mo=2.60% with 1.50%=Mo+0.65W=3.20%, 0.55%=V=0.80%, with 0.65=K=0.65, where K=K2-K1 and K2=0.75.times.(Ni 0.60), K1=1.43.times.(V0.40)+0.63.times.[(Mo+0.65W) 1.20], traces=Al=0.080%, traces=S=0.0040%, traces=P=0.0200%, traces=Ti=0.05%, traces=Zr=0.05%, traces=Nb=0.08%, traces=N=0.040%, 10P+As+5Sb+4Sn=0.21%, traces=O=30 ppm, the remainder being iron and inevitable impurities. The invention also relates to a part produced from said steel, to the method for the production thereof, and to the use of the same.

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Patent Owner(s)

Patent OwnerAddress
AUBERT & DUVAL75015 PARIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Binot, Nicolas Saint Georges De Mons, FR 6 4
Grellier, Andre Saint Georges De Mons, FR 2 4
Richy, Pierre-Emmanuel Chatel Guyon, FR 1 4

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