HIGH STRENGTH HOT DIP GALVANISED STEEL STRIP

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United States of America Patent

APP PUB NO 20140205858A1
SERIAL NO

14343622

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A high strength hot dip galvanised steel strip having, in mass percent, the following elements: 0.13-0.19% C; 1.70-2.50% Mn; max 0.15% Si; 0.40-1.00% Al; 0.05-0.25% Cr; 0.01-0.05% Nb; max 0.10% P; max 0.004% Ca; max 0.05% S; max 0.007% N; and optionally at least one of the following elements: max 0.50% Ti, max 0.40% V, max 0.50% Mo, max 0.50% Ni, max 0.50% Cu, max 0.005% B, the balance being Fe and inevitable impurities; wherein 0.40%1.90%. This steel offers improved formability at a high strength, has a good weldability, and surface quality together with a good producability and coatability.

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Patent Owner(s)

Patent OwnerAddress
TATA STEEL IJMUIDEN B V1951 JZ VELSEN-NOORD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ennis, Bernard Leo Haarlem, NL 6 14

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