IP Library Granted Patent US 10,093,077
Granted Patent B2
US 10,093,077 · App. 14/901,147 · Granted Oct 9, 2018

Steel sheet for hot press-forming

Inventors: Seiji Nakajima (Tokyo, JP); Minako Morimoto (Tokyo, JP); Satoru Ando (Tokyo, JP)
Assignee: JFE Steel Corporation
B32B15/015C21D1/673C21D7/13C22C18/00C22C19/03C22C38/001C22C38/002C22C38/02C22C38/04C22C38/06C22C38/28C22C38/32C22C38/60C25D5/14C25D5/50C25D7/0614C21D1/00C25D3/12C25D3/56C25D3/565Y10T428/12799Y10T428/12937Y10T428/12944
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,093,077
App. No.
14/901,147
Granted
Oct 9, 2018
Kind
B2
Abstract

A steel sheet for hot press-forming having a first coating layer on a surface of the steel sheet, containing 60% or more by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being more than 5 g/m 2 and 50 g/m 2 or less per side, and a second coating layer on the first coating layer, containing 10% to 25% by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being 10 to 90 g/m 2 per side.

Claims (3)

1. A steel sheet for hot press-forming comprising:

a first coating layer on a surface of the steel sheet, consisting of 60% or more by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being 6 g/m 2 or more and 50 g/m 2 or less per side; and

a second coating layer on the first coating layer, containing 10% to 25% by mass Ni and a remainder composed of Zn and incidental impurities, a coating mass thereof being 10 to 90 g/m 2 per side, the second coating layer being an outermost coating layer.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 9, 2016
From: NAKAJIMA, SEIJI; MORIMOTO, MINAKO; ANDO, SATORU
To: JFE STEEL CORPORATION
Reel/Frame 038514/0349 →
Priority Claims (1)
JP 2013-132248 · Jun 25, 2013 · national
Continuity (1)
Related Publication 20160144600A1 · May 26, 2016