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Steel plate for transfer bracket and heat treatment method thereof

A heat treatment method and steel plate technology, applied in the field of steel plates and their heat treatment, steel plates for transfer brackets and their heat treatment, can solve the problems of pallet corrosion, complex transfer goods, damage, etc., and achieve good transverse yield strength and high plasticity

Inactive Publication Date: 2017-03-22
SUZHOU KESHENG STORAGE & LOGISTICS EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in the field of logistics, steel flat pallets are more and more widely used, but due to the complexity of transshipment goods, acidic or alkaline goods are often spilled and leaked, causing corrosion and damage to the pallet, so it is necessary to provide a corrosion-resistant The bracket is made of wear-resistant steel to meet the needs of special cargo transfer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025]A steel plate for a transfer bracket provided in this embodiment, the chemical composition mass percentage of the steel plate is: C: 0.02%, Cr: 6.5%, Si: 0.25%, Mn: 0.72%, Ni: 0.45%, Re: 0.15%, Nb: 0.17%, Zr: 0.45%, Al: 0.30%, Y: 0.11%, Ti: 0.13%, Ca: 0.75%, B: 0.82%, Cd: 0.41%, Mo: 0.23%, S≤ 0.03%, P≤0.02%, rare earth metal: 0.13%, the balance is Fe; the chemical composition mass percentage of the rare earth metal is: Nd: 9%, Ce: 11%, Er: 1%, Pr: 6%, Pm: 1%, Gd: 3%, the balance is La;

[0026] The surface of the steel plate is provided with a wear-resistant coating, and the wear-resistant coating includes the following components in parts by weight: 25 parts of epoxy resin, 5 parts of ceramic micropowder, 6 parts of silicon carbide, 2 parts of polyvinyl chloride, two parts 6 parts of toluene formaldehyde resin, 1 part of zinc citrate, 3 parts of sodium formaldehyde sulfoxylate, 2 parts of butyl acetate, 3 parts of polymethyl methacrylate, 4-methylcyclohexyl isocyanate:...

Embodiment 2

[0030] A steel plate for a transfer bracket provided in this embodiment, the chemical composition mass percentage of the steel plate is: C: 0.03%, Cr: 6.8%, Si: 0.27%, Mn: 0.76%, Ni: 0.51%, Re: 0.16%, Nb: 0.17%, Zr: 0.52%, Al: 0.31%, Y: 0.12%, Ti: 0.14%, Ca: 0.76%, B: 0.85%, Cd: 0.43%, Mo: 0.27%, S≤ 0.03%, P≤0.02%, rare earth metal: 0.18%, and the balance is Fe; the chemical composition mass percentage of the rare earth metal is: Nd: 11%, Ce: 12%, Er: 3%, Pr: 8%, Pm: 2%, Gd: 5%, the balance is La;

[0031] The surface of the steel plate is provided with a wear-resistant coating, and the wear-resistant coating includes the following components in parts by weight: 26 parts of epoxy resin, 6 parts of ceramic micropowder, 7 parts of silicon carbide, 2 parts of polyvinyl chloride, two 7 parts of toluene formaldehyde resin, 1 part of zinc citrate, 4 parts of sodium formaldehyde sulfoxylate, 5 parts of butyl acetate, 6 parts of polymethyl methacrylate, 3 parts of 4-methylcyclohexyl ...

Embodiment 3

[0035] A steel plate for a transfer bracket provided in this embodiment, the chemical composition mass percentage of the steel plate is: C: 0.04%, Cr: 7.7%, Si: 0.29%, Mn: 0.83%, Ni: 0.52%, Re: 0.17%, Nb: 0.18%, Zr: 0.62%, Al: 0.33%, Y: 0.13%, Ti: 0.15%, Ca: 0.77%, B: 0.88%, Cd: 0.45%, Mo: 0.31%, S≤ 0.03%, P≤0.02%, rare earth metal: 0.26%, the balance is Fe; the chemical composition mass percentage of the rare earth metal is: Nd: 15%, Ce: 14%, Er: 4%, Pr: 9%, Pm: 3%, Gd: 7%, the balance is La;

[0036] The surface of the steel plate is provided with a wear-resistant coating, and the wear-resistant coating includes the following components in parts by weight: 27 parts of epoxy resin, 7 parts of ceramic micropowder, 8 parts of silicon carbide, 3 parts of polyvinyl chloride, two 8 parts of toluene formaldehyde resin, 2 parts of zinc citrate, 5 parts of sodium formaldehyde sulfoxylate, 7 parts of butyl acetate, 8 parts of polymethyl methacrylate, 5 parts of 4-methylcyclohexyl iso...

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PUM

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Abstract

The invention discloses a steel plate for a transfer bracket. The steel plate comprises the following chemical components in percentage by mass: 0.02-0.04% of C, 6.5-7.7% of Cr, 0.25-0.29% of Si, 0.72-0.83% of Mn, 0.45-0.52% of Ni, 0.15-0.17% of Re, 0.17-0.18% of Nb, 0.45-0.62% of Zr, 0.30-0.33% of Al, 0.11-0.13% of Y, 0.13-0.15% of Ti, 0.75-0.77% of Ca, 0.82-0.88% of B, 0.41-0.45% of Cd, 0.23-0.31% of Mo, not more than 0.03% of S, not more than 0.02% of P, 0.13-0.26% of rare earth metal, and the balance of Fe. The steel plate is excellent in transverse yield strength and high in plasticity, has the yield strength of not less than 450 MPa, has the tensile strength of not less than 610 MPa, and is suitable for weld heat input of 150-250 kJ / cm, and the average ballistic work of HAZ of a steel pipe body at 40 DEG C below zero can reach 180 J or above under the welding condition that the high heat input is 150-250 kJ / cm.

Description

technical field [0001] The invention relates to a steel plate and a heat treatment method thereof, in particular to a steel plate for a transfer bracket and a heat treatment method thereof, belonging to the technical field of metal smelting. Background technique [0002] The transfer bracket is a horizontal platform device for loading, stacking, handling and transportation of goods and products placed as a unit load. As a container-like container, pallets have been widely used in production, transportation, warehousing and distribution, and are considered to be one of the two key innovations in the logistics industry in the 20th century. Traditional transfer pallets can be divided into wooden flat pallets, steel flat pallets, plastic flat pallets, composite material flat pallets and paper pallets according to materials. [0003] At present, in the field of logistics, steel flat pallets are more and more widely used, but due to the complexity of transshipment goods, acidic o...

Claims

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Application Information

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IPC IPC(8): C22C38/02C22C38/04C22C38/48C22C38/50C22C38/06C22C38/54C22C38/44C21D1/18C21D9/00C09D163/00C09D127/06C09D161/00C09D133/12C09D7/12
CPCC22C38/02C08L2205/035C09D7/61C09D7/63C09D163/00C21D1/18C21D9/0081C22C38/002C22C38/005C22C38/04C22C38/06C22C38/44C22C38/48C22C38/50C22C38/54C08L27/06C08L61/00C08L33/12C08K13/02C08K3/34C08K5/098C08K5/29C08K5/09
Inventor 王忠义王正勇
Owner SUZHOU KESHENG STORAGE & LOGISTICS EQUIP
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