PL446047A1 - Method of welding and heat treatment of welded joints of martensitic steel with boron - Google Patents
Method of welding and heat treatment of welded joints of martensitic steel with boronInfo
- Publication number
- PL446047A1 PL446047A1 PL446047A PL44604723A PL446047A1 PL 446047 A1 PL446047 A1 PL 446047A1 PL 446047 A PL446047 A PL 446047A PL 44604723 A PL44604723 A PL 44604723A PL 446047 A1 PL446047 A1 PL 446047A1
- Authority
- PL
- Poland
- Prior art keywords
- welding
- max
- martensitic steel
- boron
- heat treatment
- Prior art date
Links
- 238000003466 welding Methods 0.000 title abstract 5
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 229910000734 martensite Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052796 boron 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
- 238000010891 electric arc Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 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
- 230000004907 flux Effects 0.000 abstract 1
- 239000011229 interlayer Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000010606 normalization Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób spawania i obróbki cieplnej stali martenzytycznej z borem, kontekście zapewnienia odporności balistycznej przeciwko amunicji pośredniej 7,62 x 39 mm nb. wz. 43 z poc. PS, w którym dla wytworzenia złącza spawanego blachę ze stali martenzytycznej o grubości 10 mm i wyrażonym w procencie wagowym składzie 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≤52, spawa się metodą SAW (121) drutem elektrodowym S3Ni2,5CrMO wraz z topnikiem MgO+CaF2+Al2O3+SiO2, stosując parametry spawania: prędkość spawania v≈60 cm/min, znamionowy prąd łuku elektrycznego I=530÷630 A, napięcie łuku elektrycznego U=31÷33 V, energia liniowa Q≤2,0 kJ/mm, temperatura międzywarstwowa Ti<250°C, który charakteryzuje się tym, że po spawaniu blachę ścienia się do grubości od 4 do 5 mm, a otrzymane złącze poddaje się normalizowaniu poprzez austenityzowanie w temperaturze 880°C÷900°C przez 60 minut i chłodzenie na powietrzu; dalej hartowaniu poprzez austenityzowanie w temperaturze 930°C÷950°C przez 15÷20 minut i chłodzenie w wodzie o temperaturze ≤30°C; oraz odpuszczaniu w temperaturze 100°C przez 5 godzin, po którym złącze chłodzi się na powietrzu.The subject of the application is a method of welding and heat treatment of martensitic steel with boron, in the context of ensuring ballistic resistance against 7.62 x 39 mm intermediate ammunition, type 43, with a PS design, in which to produce a welded joint a martensitic steel sheet with a thickness of 10 mm and the chemical composition expressed in weight percent: 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≤52, is welded by the SAW method (121) with an S3Ni2.5CrMO electrode wire and MgO+CaF2+Al2O3+SiO2 flux, using the following welding parameters: welding speed v≈60 cm/min, rated electric arc current I=530÷630 A, electric arc voltage U=31÷33 V, linear energy Q≤2.0 kJ/mm, interlayer temperature Ti<250°C, which is characterized in that after welding the sheet is thinned to a thickness of 4 to 5 mm, and the obtained joint is subjected to normalization by austenitizing at a temperature of 880°C÷900°C for 60 minutes and cooling in air; further hardening by austenitizing at 930°C÷950°C for 15÷20 minutes and cooling in water at ≤30°C; and 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 |
|---|---|---|---|
| PL446047A PL446047A1 (en) | 2023-09-06 | 2023-09-06 | Method of welding and heat treatment of welded joints of martensitic steel with boron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL446047A PL446047A1 (en) | 2023-09-06 | 2023-09-06 | Method of welding and heat treatment of welded joints of martensitic steel with boron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL446047A1 true PL446047A1 (en) | 2025-03-10 |
Family
ID=94868610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL446047A PL446047A1 (en) | 2023-09-06 | 2023-09-06 | Method of welding and heat treatment of welded joints of martensitic steel with boron |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL446047A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393563A (en) * | 2018-05-22 | 2018-08-14 | 大连透平机械技术发展有限公司 | A welding method for FV520B/X12Cr13 dissimilar materials |
| EP3521458A1 (en) * | 2016-09-30 | 2019-08-07 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Steel parts, production method therefor, and steel sheet for steel parts |
| CN110293287A (en) * | 2019-07-16 | 2019-10-01 | 安徽马钢工程技术集团有限公司 | A kind of welding procedure of superhigh intensity precipitation-hardening stainless steel |
-
2023
- 2023-09-06 PL PL446047A patent/PL446047A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3521458A1 (en) * | 2016-09-30 | 2019-08-07 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Steel parts, production method therefor, and steel sheet for steel parts |
| CN108393563A (en) * | 2018-05-22 | 2018-08-14 | 大连透平机械技术发展有限公司 | A welding method for FV520B/X12Cr13 dissimilar materials |
| CN110293287A (en) * | 2019-07-16 | 2019-10-01 | 安徽马钢工程技术集团有限公司 | A kind of welding procedure of superhigh intensity precipitation-hardening stainless steel |
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