PL431841A1 - Method of welding and heat treatment of martensitic boron steel with increased resistance to abrasive wear - Google Patents
Method of welding and heat treatment of martensitic boron steel with increased resistance to abrasive wearInfo
- Publication number
- PL431841A1 PL431841A1 PL431841A PL43184119A PL431841A1 PL 431841 A1 PL431841 A1 PL 431841A1 PL 431841 A PL431841 A PL 431841A PL 43184119 A PL43184119 A PL 43184119A PL 431841 A1 PL431841 A1 PL 431841A1
- Authority
- PL
- Poland
- Prior art keywords
- max
- welding
- martensitic
- heat treatment
- increased resistance
- Prior art date
Links
- 229910000734 martensite Inorganic materials 0.000 title abstract 3
- 238000003466 welding Methods 0.000 title abstract 3
- 229910000712 Boron steel Inorganic materials 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 abstract 1
- 229910001634 calcium fluoride Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 239000011229 interlayer Substances 0.000 abstract 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000010897 surface acoustic wave method Methods 0.000 abstract 1
- 238000005496 tempering Methods 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
Landscapes
- Heat Treatment Of Articles (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób spawania i obróbki cieplnej martenzytycznej stali borowej o podwyższonej odporności na zużywanie ścierne, w którym dla wytworzenia złącza spawanego blachę ze stali martenzytycznej o grubości 10 mm i wyrażonej w procencie wagowym składem chemicznym: C — 0,17÷0,23; Si — 0,19÷0,32; Mn — 1,00÷1,10; P — max. 0,025; S - max. 0,010; Cr – 0,20÷0,37; Ni - max. 0,10; Mo – 0,05÷0,15; B - max. 0,002, o równoważniku węgla CEV ≤ 0,52, spawa się metodą SAW (121) drutem elektrodowym S3Ni2,5CrMo wraz z topnikiem MgO, CaF2,Al2O3,SiO2, stosując parametry spawania prędkość spawania v≈ 60cm/min, znamionowy prąd łuku elektrycznego 1=530÷630 A, napięcie łuku elektrycznego U=31÷33V, energia liniowa Q≤2,0 kJ/mm, temperatura międzywarstwowa Ti≤250°C, charakteryzuje się tym, że otrzymane złącze poddaje się normalizowaniu poprzez austenityzowanie w temperaturze 880÷900°C przez 60 minut i kolejno chłodzenie na powietrzu; dalej hartowaniu poprzez austenityzowanie w temperaturze 930÷950°C przez 15÷20 minut i chłodzenie w wodzie o temperaturze ≤30°C; a na koniec odpuszczaniu w temperaturze 100°C przez 5 godzin, po którym złącze chłodzi się na powietrzu.The subject of the application is the method of welding and martensitic heat treatment of boron steel with increased resistance to abrasive wear, in which, to produce a welded joint, a sheet of martensitic steel with a thickness of 10 mm and expressed as a percentage by weight with a chemical composition: C - 0.17 ÷ 0.23; Si - 0.19 ÷ 0.32; Mn - 1.00 ÷ 1.10; P - max. 0.025; S - max. 0.010; Cr - 0.20 ÷ 0.37; Ni - max. 0.10; Mo - 0.05 ÷ 0.15; B - max. 0.002, with a carbon equivalent of CEV ≤ 0.52, welded using the SAW method (121) with S3Ni2.5CrMo electrode wire together with MgO, CaF2, Al2O3, SiO2 flux, using welding parameters v≈ 60cm / min, rated electric arc current 1 = 530 ÷ 630 A, arc voltage U = 31 ÷ 33V, linear energy Q≤2.0 kJ / mm, interlayer temperature Ti≤250 ° C, characterized by the fact that the obtained joint is normalized by austenitization at a temperature of 880 ÷ 900 ° C for 60 minutes followed by air cooling; further hardening by austenitizing at 930-950 ° C for 15-20 minutes and cooling in water at a temperature of ≤30 ° C; and finally tempering at 100 ° C for 5 hours, after which the joint is cooled in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL431841A PL239910B1 (en) | 2019-11-18 | 2019-11-18 | A method of welding and martensitic heat treatment of boron steel with increased resistance to abrasive wear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL431841A PL239910B1 (en) | 2019-11-18 | 2019-11-18 | A method of welding and martensitic heat treatment of boron steel with increased resistance to abrasive wear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL431841A1 true PL431841A1 (en) | 2021-05-31 |
| PL239910B1 PL239910B1 (en) | 2022-01-24 |
Family
ID=76132969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL431841A PL239910B1 (en) | 2019-11-18 | 2019-11-18 | A method of welding and martensitic heat treatment of boron steel with increased resistance to abrasive wear |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL239910B1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328406C (en) * | 2005-06-22 | 2007-07-25 | 宁波浙东精密铸造有限公司 | Martensite wear resistant cast steel with film austenic toughened and its manufacturing method |
| CN101780579A (en) * | 2010-03-23 | 2010-07-21 | 天津天海石化设备制造有限公司 | Submerged automatic arc welding or shielded metal arc welding method for 15CrMoR(H) antihydrogen low sulfur and phosphorus heat-resistant steel |
| CN101890626A (en) * | 2010-07-27 | 2010-11-24 | 江苏新恒基重工有限公司 | Method for connecting super-thick X80 steel pipes |
-
2019
- 2019-11-18 PL PL431841A patent/PL239910B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL239910B1 (en) | 2022-01-24 |
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