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SU138939A1 - Heat resistant steel - Google Patents

Heat resistant steel

Info

Publication number
SU138939A1
SU138939A1 SU678135A SU678135A SU138939A1 SU 138939 A1 SU138939 A1 SU 138939A1 SU 678135 A SU678135 A SU 678135A SU 678135 A SU678135 A SU 678135A SU 138939 A1 SU138939 A1 SU 138939A1
Authority
SU
USSR - Soviet Union
Prior art keywords
heat resistant
resistant steel
steel
niobium
manufacture
Prior art date
Application number
SU678135A
Other languages
Russian (ru)
Inventor
Т.И. Волкова
З.Н. Петропавловская
З.Н. Петропавловска
Original Assignee
Т.И. Волкова
З.Н. Петропавловска
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Т.И. Волкова, З.Н. Петропавловска filed Critical Т.И. Волкова
Priority to SU678135A priority Critical patent/SU138939A1/en
Application granted granted Critical
Publication of SU138939A1 publication Critical patent/SU138939A1/en

Links

Landscapes

  • Turbine Rotor Nozzle Sealing (AREA)
  • Heat Treatment Of Articles (AREA)

Description

таль содержит (в %):hoist contains (in%):

УглеродаCarbon

Кремни  Flints

МарганцаManganese

ХромаChrome

МолибденаMolybdenum

Ванади Vanadi

Ниоби Niobium

БораBora

Никел Nickel

СерыSulfur

ФосфораPhosphorus

Сталь предназначаетс  дл  изготовлени  кренежных деталей (болтов , щпилек и т. п.) котлотурбинных установок больщой мощности, например при температуре пара и давлении 130-240 атм.The steel is intended for the manufacture of cut-off parts (bolts, studs, etc.) of large-capacity boiler-turbine installations, for example, at a steam temperature and a pressure of 130-240 atm.

Оптимальный режим термообработки предлагаемой стали: нормализаци  при 1100° и отпуск при 720-730°.The optimal heat treatment mode of the proposed steel: normalization at 1100 ° and tempering at 720-730 °.

0,20-0.20-

0,170 ,50-0.170, 50-

1.0- 1.0-

0,8-0.8-

0,8-0.8-

0,10-0.10-

.не более . не более .не более .no more . no more. no more

Термически обработанна  предлагаема  сталь обладает следующими свойствами:The heat-treated steel offered has the following properties:

Предмет изобретени Subject invention

Жаропрочна  сталь дл  изготовлени  крепежных деталей, работающих при температурах 580-600°, содержаща  кремни  0,17-0,37%, марганца 0,50-0,80%, никел  0,40%, серы и фосфора 0,03 каждого, отличающа с  тем, что, с целью повыщени  релаксационной стойкости л обеспечени  длительной прочности, в ее состав ввод т углерода 0,2-0,3%, хрома 1,0-1,5%, молибдена 0,8-1,1%, ванади  0,8-1,0%; ниоби  0,1-0,2%, бора 0,005%.Heat resistant steel for the manufacture of fasteners operating at temperatures of 580-600 °, containing silicon 0.17-0.37%, manganese 0.50-0.80%, nickel 0.40%, sulfur and phosphorus 0.03 each, characterized in that, in order to increase the relaxation resistance l to ensure long-term strength, carbon 0.2-0.3% is introduced into its composition, chromium is 1.0-1.5%, molybdenum is 0.8-1.1% Vanadium 0.8-1.0%; niobium 0.1-0.2%, boron 0.005%.

SU678135A 1960-09-03 1960-09-03 Heat resistant steel SU138939A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU678135A SU138939A1 (en) 1960-09-03 1960-09-03 Heat resistant steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU678135A SU138939A1 (en) 1960-09-03 1960-09-03 Heat resistant steel

Publications (1)

Publication Number Publication Date
SU138939A1 true SU138939A1 (en) 1960-11-30

Family

ID=48295056

Family Applications (1)

Application Number Title Priority Date Filing Date
SU678135A SU138939A1 (en) 1960-09-03 1960-09-03 Heat resistant steel

Country Status (1)

Country Link
SU (1) SU138939A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557633A1 (en) * 1992-02-27 1993-09-01 Nkk Corporation Abrasion-resistant steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557633A1 (en) * 1992-02-27 1993-09-01 Nkk Corporation Abrasion-resistant steel

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