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Suggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document element1.1-жадвал | |||||
Оддий сифатли углеродли пўлатдан ясалган сортли ва фасонли прокатнинг механик хоссалари | |||||
Мустаҳкамлик класси | Прокат қалинлиги, кўпи билан мм | Шартли ёки физик оқувчанлик чегараси, σ т (σ 0,2 ) Н/мм да 2 | Узилишга вақтинчалик қаршилик, σ Н/мм да да 2 | Нисбий узайиш, δ 5 % да | Томонлар параллеллигигача эгилиш (а — намуна қалинлиги, d — оправка диаметри) |
Ст 1 кп | шу жумладан, 10 гача | 305 — 390 | 195 | 35 | d = а |
10 дан юқори, шу жумладан, 20 гача | 195 | ||||
20 дан юқори, шу жумладан, 40 гача | 185 | 34 | d = 2а | ||
40 дан юқори, шу жумладан, 10 гача | 175 | 32 | |||
100 дан юқори | 165 | ||||
Ст 1 пс Ст 1 сп | 10 гача, шу жумладан | 315 — 410 | 205 | 34 | d = а |
10 дан юқори, шу жумладан, 20 гача | 205 | ||||
20 дан юқори, шу жумладан, 40 гача | 195 | 33 | d = 2а | ||
40 дан дан юқори, шу жумладан, 100 гача | 185 | 3231 | |||
100 дан юқори | 175 | ||||
Ст 2 кп | шу жумладан, 10 гача | 325 — 410 | 215 | 33 | d = а |
10 дан юқори, шу жумладан 20 гача | 215 | ||||
20 дан юқори, шу жумладан, 40 гача | 205 | 32 | d = 2а | ||
40 дан юқори, шу жумладан, 100 гача | 195 | 30 | |||
100 дан юқори | 185 | ||||
Ст 2 пс Ст 2 сп | шу жумладан, 10 гача | 335 — 430 | 225 | 32 | d = а |
10 дан юқори, шу жумладан 20 гача | 225 | ||||
20 дан юқори, шу жумладан, 40 гача | 215 | 31 | d = 2а | ||
40 дан юқори, шу жумладан, 100 гача | 205 | 29 | |||
100 дан юқори | 195 | ||||
Ст 3 кп | шу жумладан, 10 гача | 360 — 460 | 235 | 27 | d = а |
10 дан юқори, шу жумладан 20 гача | 235 | ||||
20 дан юқори, шу жумладан, 40 гача | 225 | 26 | d = 2а | ||
40 дан юқори, шу жумладан 100 гача | 215 | 24 | |||
100 дан юқори | 195 | ||||
Ст 3 пс | шу жумладан, 10 гача | 370 — 480 | 245 | 27 | d = а |
10 дан юқори, шу жумладан 20 гача | 245 | ||||
20 дан юқори, шу жумладан, 40 гача | 235 | 26 | d = 2а | ||
40 дан юқори, шу жумладан 100 гача | 225 | 24 | |||
100 дан юқори | 205 | ||||
Ст 3 сп | шу жумладан, 10 гача | 370 — 480 | 255 | 27 | d = а |
10 дан юқори, шу жумладан 20 гача | 245 | ||||
20 дан юқори, шу жумладан, 40 гача | 235 | 26 | d = 2а | ||
40 дан юқори, шу жумладан 100 гача | 225 | 24 | |||
100 дан юқори | 205 | ||||
Ст 3 Гпс | шу жумладан, 10 гача | 370 — 490 | - | 26 | d = а |
10 дан юқори, шу жумладан 20 гача | 245 | ||||
20 дан юқори, шу жумладан, 40 гача | 235 | 25 | d = 2а | ||
40 дан юқори, шу жумладан 100 гача | 225 | 23 | |||
| 100 дан юқори | 205 | ||||
Ст 3 Гсп | шу жумладан, 10 гача | 390 — 570 | - | - | - |
10 дан юқори, шу жумладан 20 гача | - | ||||
20 дан юқори, шу жумладан, 40 гача | 245 | 24 | d = 2а | ||
40 дан юқори, шу жумладан 100 гача | - | 2 | |||
100 дан юқори | - | ||||
Ст 4 кп | шу жумладан, 10 гача | 400 — 510 | 255 | 25 | d = 2а |
10 дан юқори, шу жумладан 20 гача | 255 | ||||
20 дан юқори, шу жумладан, 40 гача | 245 | 24 | d = 3а | ||
40 дан юқори, шу жумладан 100 гача | 235 | 22 | |||
100 дан юқори | 225 | ||||
Ст 4 пс Ст 4 сп | шу жумладан, 10 гача | 410 — 530 | 265 | 24 | d = 2а |
10 дан юқори, шу жумладан 20 гача | 265 | ||||
20 дан юқори, шу жумладан, 40 гача | 255 | 23 | d = 3а | ||
Ст 4 пс Ст 4 сп | 40 дан юқори, шу жумладан 100 гача | 410 — 530 | 245 | 21 | d = 3а |
100 дан юқори | 235 | ||||
Ст 5 пс | шу жумладан, 10 гача | 490 — 630 | 285 | 20 | d = 3а |
10 дан юқори, шу жумладан 20 гача | 285 | ||||
20 дан юқори, шу жумладан, 40 гача | 275 | 19 | d = 4а | ||
40 дан юқори, шу жумладан 100 гача | 265 | 17 | |||
100 дан юқори | 555 | ||||
Ст 5 сп | шу жумладан, 10 гача | 490 — 630 | 295 | 20 | d = 3а |
10 дан юқори, шу жумладан 20 гача | 285 | ||||
20 дан юқори, шу жумладан, 40 гача | 275 | 19 | d = 4а | ||
40 дан юқори, шу жумладан 100 гача | 265 | 17 | |||
100 дан юқори | 255 | ||||
Ст 5 Гпс | шу жумладан, 10 гача | 450 — 590 | - | 20 | d = 3а |
10 дан юқори, шу жумладан 20 гача | 285 | ||||
20 дан юқори, шу жумладан, 40 гача | 275 | 19 | d = 4а | ||
40 дан юқори, шу жумладан 100 гача | 265 | 17 | |||
100 дан юқори | 255 | ||||
Ст 6 пс Ст 6 сп | шу жумладан, 10 гача | Камида 590 | 315 | 15 | - |
10 дан юқори, шу жумладан 20 гача | 315 | ||||
20 дан юқори, шу жумладан, 40 гача | 305 | 14 | - | ||
40 дан юқори, шу жумладан 100 гача | 295 | 12 | |||
100 дан юқори | 295 | ||||
Suggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document element1.2-жадвал | |||||||||
Қурилишга доир пўлат конструкциялари учун фасонли прокатнинг механик хоссалари | |||||||||
Пўлат номи / пўлат маркаси | Пўлат қалинлиги, кўпи билан мм | Шартли ёки физик оқувчанлик чегараси, σт(σ 0,2 ) Н/мм да 2 | Узилишга вақтинчалик қаршилик, σ Н/мм да да 2 | Нисбий узайиш, δ 5 % да | Томонлар параллеллигигача эгилиш (а — намуна қалинлиги, d — оправка диаметри) | Зарбий қовушқоқлик¸ KCU¸ Дж/см3 | |||
°С ҳароратда | механик эскиришдан кейин | ||||||||
-20 | -40 | -70 | |||||||
Камида | Камида | ||||||||
С235 | 4 дан юқори, шу жумладан 20 гача | 235 | 360 | 26 | d = а | - | - | - | - |
20 дан юқори, шу жумладан, 40 гача | 225 | 360 | 25 | d = 2а | - | - | - | - | |
С245 | 4 дан юқори, шу жумладан, 20 гача | 245 | 370 | 25 | d = а | - | - | - | 29 * |
20 дан юқори, шу жумладан, 25 гача | 235 | 370 | 24 | d = 2а | - | - | - | 29 | |
25 дан юқори, шу жумладан 30 гача | 235 | 370 | 24 | d = 2а | - | - | - | - | |
С255 | 4 дан юқори, шу жумладан 10 гача | 255 | 380 | 25 | d = а | 29 | - | - | 29 * |
10 дан юқори, шу жумладан 30 гача | 245 | 370 | 25 | d = а | 29 | - | - | 29 | |
20 дан юқори, шу жумладан 40 гача | 235 | 370 | 24 | d = 2а | 29 | - | - | 29 | |
С275 | 4 дан юқори, шу жумладан 10 гача | 275 | 390 | 24 | d = а | - | - | - | 29 * |
10 дан юқори, шу жумладан 20 гача | 275 | 380 | 23 | d = а | - | - | - | 29 | |
С285 | 4 дан юқори, шу жумладан 10 гача | 285 | 400 | 24 | d = а | 29 | - | - | 29 * |
10 дан юқори, шу жумладан 20 гача | 275 | 390 | 23 | d = а | 29 | - | - | 29 | |
С345 | 4 дан юқори, шу жумладан 10 гача | 345 | 490 | 21 | d = 2а | - | 39 | 34 | 29 |
10 дан юқори, шу жумладан 20 гача | 325 | 470 | 21 | d = 2а | - | 34 | 29 | 29 | |
10 дан юқори, шу жумладан 40 гача | 305 | 460 | 21 | d = 2а | - | 34 | - | 29 | |
С345К | 10 дан юқори, шу жумладан 40 гача | 345 | 470 | 20 | d = 2а | - | 39 | - | - |
С375 | 4 дан юқори, шу жумладан 10 гача | 375 | 510 | 20 | d = 2а | - | 39 | 34 | 29 |
10 дан юқори, шу жумладан 20 гача | 355 | 490 | 20 | d = 2а | - | 34 | 29 | 29 | |
10 дан юқори, шу жумладан 40 гача | 335 | 480 | 20 | d = 2а | - | 34 | - | 29 | |
Suggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document element1.3-жадвал | |||||
Юқори мустаҳкамликдаги пўлатдан ясалган сортли ва фасонли прокатнинг механик хоссалари | |||||
Мустаҳкамлик класси | Прокат қалинлиги, кўпи билан мм | Шартли ёки физик оқувчанлик чегараси, σ т (σ 0,2 ) Н/мм да 2 | Узилишга вақтинчалик қаршилик, σ Н/мм да да 2 | Нисбий узайиш, δ 5 % да | Томонлар параллеллигигача эгилиш (а — намуна қалинлиги, d — оправка диаметри) |
265 * | 100 | 265 | 420 | 21 | d = 2а |
295 * | 100 | 295 | 430 | ||
325 * | 60 | 325 | 450 | ||
345 * | 20 | 345 | 480 | ||
375 * | 10 | 375 | 510 | ||
390 * | 20 | 390 | 530 | 18 | |
Suggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document element1.4-жадвал | |||||
Листли, тасмали, кенг тасмали универсал прокат ва юқори мустаҳкамликдаги пўлатнинг механик хоссалари | |||||
Мустаҳкамлик класси | Прокат қалинлиги, кўпи билан мм | Шартли ёки физик оқувчанлик чегараси, σ т (σ 0,2 ) Н/мм да 2 | Узилишга вақтинчалик қаршилик, σ в , Н/мм да2 | Нисбий узайиш, δ 5 % да | Томонлар параллеллигигача эгилиш (а — намуна қалинлиги, d — оправка диаметри) |
265 | 160 гача | 265 | 430 | 21 | d = 2а |
295 | дан 20 дан 100 | 295 | 430 | ||
315 | 60 гача | 315 | 450 | ||
325 | 60 гача | 325 | 450 | ||
345 | 32 гача | 345 | 490 | ||
355 | 20 гача | 355 | 490 | ||
375 | 50 гача | 375 | 510 | 20 | |
390 | 50 гача | 390 | 510 | 19 | |
440 | 32 гача | 440 | 590 | ||
Suggestion to the documentListen to audioGet a link from a document elementSuggestion to the documentListen to audioGet a link from a document element1.5-жадвал | |||||||||
Қурилиш пўлат конструкциялари учун листли ва кенг тасмали универсал прокатнинг механик хоссалари | |||||||||
Пўлат номи / пўлат маркаси | Прокат қалинлиги, кўпи билан мм | Шартли ёки физик оқувчанлик чегараси, σт(σ0,2) Н/мм да 2 | Узилишга вақтинчалик қаршилик, σввН/мм 2 | Нисбий узайиш, δ5в% | Томонлар параллеллигигача эгилиш (а — намуна қалинлиги, d — оправка диаметри) | Зарбий қовушқоқлик, KCU, Дж/см2 | |||
°С ҳароратда. | механик эскиришдан кейин | ||||||||
-20 | -40 | -70 | |||||||
Камида | Камида | ||||||||
С235 | 2 дан юқори, шу жумладан 3¸9 гача | 235 | 360 | 20 | d = а | - | - | - | - |
4 дан юқори, шу жумладан 20 гача | 235 | 360 | 26 | d = 1¸5а | - | - | - | - | |
20 дан юқори, шу жумладан 40 гача | 225 | 360 | 26 | d = 2а | - | - | - | - | |
40 дан юқори, шу жумладан 100 гача | 215 | 360 | 24 | d = 2а | - | - | - | - | |
100 дан юқори | 195 | 360 | 24 | d = 2¸5а | - | - | - | - | |
С245 | 2 дан юқори, шу жумладан 3,9 гача | 245 | 370 | 20 | d = а | - | - | - | - |
4 дан юқори, шу жумладан 10 гача | 245 | 370 | 25 | d = 1¸5а | - | - | - | 29 * | |
10 > дан юқори, шу жумладан 20 гача | 245 | 370 | 25 | d = 1¸5а | - | - | - | 29 | |
С255 | 2 дан юқори, шу жумладан 3,9 гача | 255 | 380 | 20 | d = 1¸5а | - | - | - | - |
4 дан юқори, шу жумладан 10 гача | 245 | 380 | 25 | d = 1¸5а | 29 | - | - | 29 * | |
10 дан юқори, шу жумладан 20 гача | 245 | 370 | 25 | d = 1¸5а | 29 | - | - | 29 | |
20 дан юқори, шу жумладан 40 гача | 235 | 370 | 25 | d = 2а | 29 | - | - | 29 | |
С275 | 2 дан юқори, шу жумладан 3,9 гача | 275 | 380 | 18 | d = 1¸5а | - | - | - | - |
4 дан юқори, шу жумладан 10 гача | 275 | 380 | 24 | d = 1¸5а | - | - | - | 29 * | |
10 дан юқори, шу жумладан 20 гача | 265 | 370 | 23 | d = 1¸5а | - | - | - | 29 | |
С285 | 2 дан юқори, шу жумладан 3,9 гача | 285 | 390 | 17 | d = 1¸5а | - | - | - | - |
4 дан юқори, шу жумладан 10 гача | 275 | 390 | 24 | d = 1¸5а | 29 | - | - | 29 * | |
10 дан юқори, шу жумладан 20 гача | 265 | 380 | 23 | d = 1¸5а | 29 | - | - | 29 | |
С345 | 2 дан юқори, шу жумладан 3,9 гача | 345 | 490 | 15 | d = 2а | - | - | - | - |
4 дан юқори, шу жумладан 10 гача | 245 | 490 | 21 | d = 2а | - | 39 | 34 | 29 | |
С345 | 10 дан юқори, шу жумладан 20 гача | 325 | 470 | 21 | d = 2а | - | 34 | 29 | 29 |
20 дан юқори, шу жумладан 40 гача | 305 | 460 | 21 | d = 2а | - | 34 | 29 | 29 | |
40 дан юқори, шу жумладан 60 гача | 285 | 450 | 21 | d = 2а | - | 34 | 29 | 29 | |
60 дан юқори, шу жумладан 80 гача | 275 | 440 | 21 | d = 2а | - | 34 | 29 | 29 | |
80 дан юқори, шу жумладан 160 гача | 265 | 430 | 21 | d = 2а | - | 34 | 29 | 29 | |
С345К | 4 дан юқори, шу жумладан 10 гача | 345 | 470 | 20 | d = 2а | - | 39 | - | - |
С375 | 2 дан юқори, шу жумладан 3,9 гача | 375 | 510 | 14 | d = 2а | - | - | - | - |
4 дан юқори, шу жумладан 10 гача | 375 | 510 | 20 | d = 2а | - | 39 | 34 | 29 | |
10 дан юқори, шу жумладан 20 гача | 355 | 490 | 20 | d = 2а | - | 34 | 29 | 29 | |
20 дан юқори, шу жумладан 40 гача | 335 | 480 | 20 | d = 2а | - | 34 | 29 | 29 | |
С390 | 4 дан юқори, шу жумладан 50 гача | 390 | 540 | 20 | d = 2а | - | - | 29 ** | - |
С390К | 4 дан юқори, шу жумладан 30 гача | 390 | 540 | 19 | d = 2а | - | - | 29 ** | - |
С440 | 4 дан юқори, шу жумладан 30 гача | 440 | 590 | 20 | d = 2а | - | - | 29 ** | - |
30 дан юқори, шу жумладан 50 гача | 410 | 570 | 20 | d = 2а | - | - | 29 | - | |
С590 | 10 дан юқори, шу жумладан 36 гача | 590 | 685 | 14 | d = 3а | - | 34 | - | - |
С590К | 10 дан юқори, шу жумладан 36 гача | 590 | 685 | 14 | d = 3а | - | - | 29 | - |
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Темир-бетон конструкцияларни арматуралаш учун иссиқ прокатланган ва термомеханик мустаҳкамланган прокатнинг механик хоссалари | ||||||||
Прокат ишлаб чиқариш усули | Пўлат тавсифи | Класс прокат | Шартли ёки физик оқувчанлик чегараси, σт(σ 0,2 ) Н/мм да 2 | Узилишга вақтинчалик қаршилик, σввН/мм 2 | Нисбий узайиш, δ 5 % да | Бир текис узайиш, δ р % да | Совуқ ҳолатда эгилиш синови | |
эгилиш бурчаги, grad | оправка диаметри, С в мм | |||||||
Камида | ||||||||
Иссиқ прокатланган | Углеродли | А240 | 235 | 373 | 25 | - | 180 | d н |
А300 | 295 | 490 | 19 | - | 180 | 3d н | ||
Кам легирланган | А300 | |||||||
А400 | 390 | 590 | 14 | - | 90 | 3d н | ||
А600 | 590 | 883 | 6 | 2 | 45 | 5d н | ||
А800 | 785 | 1030 | 7 | |||||
А1000 | 980 | 1230 | 6 | |||||
Термомеханик мустаҳкамланган | Углеродли | Ат400С | 440 | 550 | 16 | - | 90 | 3d н |
Ат 500С | 500 | 600 | 14 | - | 90 | 3d н | ||
Кам легирланган | Ат600 | 600 | 800 | 12 | 4 | 45 | 5d н | |
Ат 600С | 600 | 800 | 12 | 4 | 45 | 5d н | ||
Ат800 | 800 | 1000 | 8 | 2 | 45 | 5d н | ||
Ат1000 | 1000 | 1250 | 7 | 2 | 45 | 5d н | ||
Ат 1200 | 1200 | 1450 | 6 | 2 | 45 | 5d н | ||
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Темир йўл рельсларининг механик хоссалари | |||||||||||
Рельс тури | Рельслар тоифаси | Шартли ёки физик оқувчанлик чегараси, σт(σ 0,2 ) Н/мм да 2 | Узилишга вақтинчалик қаршилик, σ Н/мм да да 2 | Нисбий узайиш, δ 5 в% | Нисбий торайиш, ψ 5 в% | Зарбий қовушқоқлик, KCU Дж/см2да | Қаттиқлик, НВ | ||||
каллакнинг юриш юзасида | каллакнинг юриш юзасидан 10 мм чуқурликда | каллакнинг юриш юзасидан 22 мм чуқурликда | бўйин ва таг қисмида | ||||||||
камида | |||||||||||
Р50, Р65, Р65К, Р75 | В | 1290 | 850 | 12,0 | 35,0 | 15 | 363 — 401 | камида 341 | кўпи билан 388 | ||
Т1 | 1180 | 800 | 8,0 | 25,0 | 25 | 341 — 401 | камида 341 | камида 321 | |||
Т2 | 1100 | 750 | 6,0 | 25,0 | 15 | 321 — 401 | камида 321 | камида 300 | |||
Н | 900 | - | 5,0 | - | - | - | - | - | |||
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Саноат транспорти йўллари учун темир йўл рельсларининг механик хоссалари | ||||||
Рельс тури | Термик мустаҳкамланмаган (1) ва термик мустаҳкамланган (2) рельсларни чўзишга синашдаги механик хоссалар, камида | |||||
Узилишга вақтинчалик қаршилик, σ Н/мм да да 2 | оқувчанлик чегараси, σ т (σ) Н/мм да 2 | Нисбий узайиш, δ 5 в% | Нисбий торайиш, ψ 5 в% | |||
1 | 2 | 2 | 1 | 2 | 2 | |
РП75, РП65 | 900 | 1170 | 795 | 4 | 6 | 20 |
РП50 | 860 | 1170 | 795 | 5 | 6 | 20 |
СП49 | 860 | - | - | 4 | - | - |
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Стрелка учи ва контррельсларнинг механик хоссалари | |||
Пўлат маркаси | Рельслар тури | Узилишга вақтинчалик қаршилик, σ МПа да да | Нисбий узайиш, δ 5 в% |
стрелка учи рельслари | |||
М73В М73Т М73В | ОР75, ОР65, ОР50 | камида 900 | Камида 5,0 |
контррельслар | |||
М68 | РК75, РК65, РК50 | камида 840 | Камида 7,0 |
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Асбобсозлик (углеродли) пўлатнинг механик хоссалари | ||||
Пўлат маркаси | Термик ишлов берилган металл маҳсулотининг қаттиқлиги | Сувда тоблангандан кейин намуналарнинг қаттиқлиги | ||
НВ, кўпи билан | Из диаметри, мм, камида | Тоблаш ҳарорати, °С | НRC, (НRC), камида | |
У7, У7А | 187 | 4,4 | 800 — 820 | 63 (62) |
У8, У8А, У8Г, У8ГА | 187 | 4,4 | 780 — 800 | 63 (62) |
У9, У9А, | 192 | 4,35 | 770 — 800 | 63 (62) |
У10, У10А, | 212 | 4,15 | 770 — 800 | 63 (62) |
У12, У12А | 217 | 4,10 | 760 — 790 | 64 (63) |
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Термик ишлов берилган асбобсозлик (углеродли) пўлатининг механик хоссалари | |||
Термик ишлов тури | Қаттиқлик | ||
НВ, кўпи билан | Из диаметри, мм, камида | НRC, (НRC), камида | |
Юмшатиш ёки бўшатиш | 269 | 3,7 | - |
Тоблаш | - | - | 65 (64) |
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Даврий профилли прокатнинг бетон билан тишлашиш кўрсаткичлари | |
Даврий профилли прокатнинг номинал диаметри, мм | Кўндаланг қовурғалар эзилишининг нисбий майдони (fR), камида |
6,0 | 0,039 |
6,0 дан юқори 8,0 гача, шу жумладан | 0,045 |
8,0 дан юқори 10,0 гача, шу жумладан | 0,052 |
10,0 дан юқори 40,0 гача, шу жумладан | 0,056 |
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