A kind of stainless steel formula specially used for crane cable block and its preparation method

A technology for stainless steel and cranes, which is applied in the formulation of stainless steel and its preparation, can solve the problems of reducing the possibility of rusting cable blocks of cranes, rusting of cable blocks of cranes, etc., and achieves high yield strength and elongation, slow corrosion speed, and good corrosion resistance. The effect of corrosion resistance

Active Publication Date: 2019-02-12
杭州振华钣金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The first object of the present invention is to provide a stainless steel formula specially used for the cable block of the crane, which solves the problem of rusting of the cable block of the existing crane, and has the effect of reducing the possibility of rusting of the cable block of the crane

Method used

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  • A kind of stainless steel formula specially used for crane cable block and its preparation method
  • A kind of stainless steel formula specially used for crane cable block and its preparation method
  • A kind of stainless steel formula specially used for crane cable block and its preparation method

Examples

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Embodiment 1

[0057] Example 1: A stainless steel specially used for crane cable blocks is prepared by the following method: the following formula is used as raw material, the raw material is cold-rolled, and then solution treated. The temperature of solution treatment is 1075 ° C, and the solution time is Be 15min; Its formula is (by weight percentage):

[0058] C: 0.01%;

[0059] Si: 0.35%;

[0060] Mn: 0.03%;

[0061] S: 0.01%;

[0062] P: 0.01%;

[0063] Cr: 22.00%;

[0064] Ni: 9.00%;

[0065] Cu: 0.40%;

[0066] N: 0.02%;

[0067] Ti: 0.02%;

[0068] Fe: 68.15%.

Embodiment 2

[0069] Embodiment 2: a kind of stainless steel that is specially used in crane cable block, the difference with embodiment 1 is that its formula is (by weight percentage):

[0070] C: 0.01%;

[0071] Si: 0.40%;

[0072] Mn: 0.04%;

[0073] S: 0.01%;

[0074] P: 0.01%;

[0075] Cr: 23.00%;

[0076] Ni: 8.00%;

[0077] Cu: 0.35%;

[0078] N: 0.02%;

[0079] Ti: 0.03%;

[0080] Fe: 68.13%.

Embodiment 3

[0081] Embodiment 3: a kind of stainless steel that is specially used in crane cable block, the difference with embodiment 1 is that its formula is (by weight percentage):

[0082] C: 0.02%;

[0083] Si: 0.75%;

[0084] Mn: 0.05%;

[0085] S: 0.01%;

[0086] P: 0.02%;

[0087] Cr: 21.00%;

[0088]Ni: 9.50%;

[0089] Cu: 0.45%;

[0090] N: 0.03%;

[0091] Ti: 0.04%;

[0092] Fe: 67.59%.

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Abstract

The invention discloses a formula of a special stainless steel for a crane cable coaster and a preparation method thereof. The formula of a special stainless steel for a crane cable coaster is composed of the following components in percentage by weight: less than or equal to 0.02% of C, less than or equal to 0.75% of Si, less than or equal to 0.05% of Mn, less than or equal to 0.01% of S, less than or equal to 0.02% of P, 21.00-23.00% of Cr, 8.00-9. 50% of Ni, 0.30-0.45% of Cu, less than or equal to 0.03% of N, less than or equal to 0.04% of Ti, and the balance of Fe and unavoidable impurities, with 2C being less than or equal to Ti. The formula of a special stainless steel for a crane cable coaster has the effect of reducing the rusting probability of the crane cable coaster.

Description

technical field [0001] The invention relates to crane equipment, in particular to a stainless steel formula specially used for crane cable pulleys and a preparation method thereof. Background technique [0002] The cables on the crane are generally carried and driven by cable pulleys for walking. The cable pulley is exposed and is eroded by rain all the year round. The bearings of the cable pulley rollers are prone to rust, so that the cable pulley rollers cannot rotate on the track but rub hard. In the case of strong pulling and pulling, the cable pulley is pulled down or The case where the cable falls off. In order to solve this problem in the prior art, generally adopt the cable block that stainless steel is material, to reduce the possibility of getting rusty. [0003] The application publication number is CN103131961A, and the Chinese patent application publication date is June 5, 2013 discloses a corrosion-resistant stainless steel plate and its preparation method an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/42C22C38/50C22C38/02C22C38/04C21D8/00
CPCC21D8/005C22C38/02C22C38/04C22C38/42C22C38/50
Inventor 戎振钜
Owner 杭州振华钣金有限公司
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