METHOD AND DEVICE FOR PREPARING CORROSION-RESISTANT HOT STAMPING PART

Title:

METHOD AND DEVICE FOR PREPARING CORROSION-RESISTANT HOT STAMPING PART

Document Type and Number:

WIPO Patent Application WO/2020/113844

Kind Code:

A1

Abstract:

Disclosed is a method and a device for preparing a corrosion-resistant hot stamping part. The method comprises the following steps: blanking a bare steel sheet to obtain a desired blank shape; placing the blank in an anaerobic heating furnace and heating above AC3 to austenitize the blank; inserting the austenitized blank into a mold to form a part; and performing a surface treatment on the part to form a corrosion-resistant coating on the surface of the part.

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Inventors:

AN JIAN (CN)
CHEN HANJIE (CN)
LI DONGCHENG (CN)

Application Number:

PCT/CN2019/078414

Publication Date:

June 11, 2020

Filing Date:

March 18, 2019

Export Citation:

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Assignee:

SUZHOU PRESSLER ADVANCED FORMING TECH (CN)

International Classes:

B21D22/02; C25D5/26; C21D8/04

Foreign References:

CN109433960A	2019-03-08
CN109433959A	2019-03-08
CN101631880A	2010-01-20
CN104831020A	2015-08-12
CN106811783A	2017-06-09
US20180237878A1	2018-08-23

Attorney, Agent or Firm:

SUZHOU LUNGHENG INTELLECTUAL PROPERTY FIRM (GENERAL PARTNER) (CN)

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