{
 "std": "ГОСТ Р 52645-2006",
 "name": "Гайки высокопрочные шестигранные с увеличенным размером под ключ для металлических конструкций. Технические условия",
 "name_en": "Hexagon nuts for high-strength structural bolting with large width across flats. Specifications",
 "iso": "ISO 4775:1984 (MOD)",
 "status": "отменён, в России пользоваться ГОСТ 32484.3-2013",
 "status_src": "https://protect.gost.ru/gost/details/4d627516-b2db-4555-9ddf-17fa1a3a5f16",
 "approved": "приказ Ростехрегулирования от 27.12.2006 № 410-ст",
 "intro": "2008-01-01",
 "amendments": [
  "Изменение № 1: приказ от 17.03.2011 № 31-ст, с 01.07.2011, ИУС № 6-2011, учтено"
 ],
 "units": "мм; масса: кг на 1000 шт., сталь без покрытия",
 "sizes": [
  {
   "d": 16,
   "not_recommended": false,
   "pitch": 2,
   "da_min": 16,
   "da_max": 17.3,
   "dw_max": 27,
   "dw_min": 24.9,
   "m_max": 17.1,
   "m_min": 16.4,
   "m1_min": 13.1,
   "s_max": 27,
   "s_min": 26.16,
   "e_min": 29.6,
   "coating_max_um": 25,
   "reduced_height_isp2": {
    "m_max": 15.6,
    "m_min": 14.5
   },
   "mass_1000_kg": 56,
   "mass_1000_kg_printed": 56,
   "mass_reduced_1000_kg": 50,
   "mass_reduced_1000_kg_printed": 50
  },
  {
   "d": 18,
   "not_recommended": true,
   "pitch": 2.5,
   "da_min": 18,
   "da_max": 19.4,
   "dw_max": 30,
   "dw_min": 27,
   "m_max": 18,
   "m_min": 16.9,
   "m1_min": 13.5,
   "s_max": 30,
   "s_min": 29.16,
   "e_min": 33.0,
   "coating_max_um": 30,
   "reduced_height_isp2": {
    "m_max": 16.6,
    "m_min": 15.5
   },
   "mass_1000_kg": 72,
   "mass_1000_kg_printed": 72,
   "mass_reduced_1000_kg": 66,
   "mass_reduced_1000_kg_printed": 66
  },
  {
   "d": 20,
   "not_recommended": false,
   "pitch": 2.5,
   "da_min": 20,
   "da_max": 21.6,
   "dw_max": 34,
   "dw_min": 31.4,
   "m_max": 20.7,
   "m_min": 19.4,
   "m1_min": 15.5,
   "s_max": 34,
   "s_min": 33.0,
   "e_min": 37.3,
   "coating_max_um": 30,
   "reduced_height_isp2": {
    "m_max": 18.6,
    "m_min": 17.5
   },
   "mass_1000_kg": 107,
   "mass_1000_kg_printed": 89,
   "mass_reduced_1000_kg": 96,
   "mass_reduced_1000_kg_printed": 80
  },
  {
   "d": 22,
   "not_recommended": true,
   "pitch": 2.5,
   "da_min": 22,
   "da_max": 23.8,
   "dw_max": 36,
   "dw_min": 33.3,
   "m_max": 23.6,
   "m_min": 22.3,
   "m1_min": 17.8,
   "s_max": 36,
   "s_min": 35.0,
   "e_min": 39.6,
   "coating_max_um": 30,
   "reduced_height_isp2": {
    "m_max": 19.7,
    "m_min": 18.4
   },
   "mass_1000_kg": 130,
   "mass_1000_kg_printed": 130,
   "mass_reduced_1000_kg": 108,
   "mass_reduced_1000_kg_printed": 108
  },
  {
   "d": 24,
   "not_recommended": false,
   "pitch": 3,
   "da_min": 24,
   "da_max": 25.9,
   "dw_max": 41,
   "dw_min": 38.0,
   "m_max": 24.2,
   "m_min": 22.9,
   "m1_min": 18.3,
   "s_max": 41,
   "s_min": 40.0,
   "e_min": 45.2,
   "coating_max_um": 40,
   "reduced_height_isp2": {
    "m_max": 22.7,
    "m_min": 21.4
   },
   "mass_1000_kg": 183,
   "mass_1000_kg_printed": 183,
   "mass_reduced_1000_kg": 171,
   "mass_reduced_1000_kg_printed": 171
  },
  {
   "d": 27,
   "not_recommended": true,
   "pitch": 3,
   "da_min": 27,
   "da_max": 28.2,
   "dw_max": 46,
   "dw_min": 42.8,
   "m_max": 27.6,
   "m_min": 26.3,
   "m1_min": 21.0,
   "s_max": 46,
   "s_min": 45.0,
   "e_min": 50.9,
   "coating_max_um": 40,
   "reduced_height_isp2": {
    "m_max": 24.7,
    "m_min": 23.4
   },
   "mass_1000_kg": 250,
   "mass_1000_kg_printed": 250,
   "mass_reduced_1000_kg": 224,
   "mass_reduced_1000_kg_printed": 224
  },
  {
   "d": 30,
   "not_recommended": false,
   "pitch": 3.5,
   "da_min": 30,
   "da_max": 32.4,
   "dw_max": 50,
   "dw_min": 46.5,
   "m_max": 30.7,
   "m_min": 29.1,
   "m1_min": 23.3,
   "s_max": 50,
   "s_min": 49.0,
   "e_min": 55.4,
   "coating_max_um": 50,
   "reduced_height_isp2": {
    "m_max": 24.7,
    "m_min": 23.4
   },
   "mass_1000_kg": 339,
   "mass_1000_kg_printed": 266,
   "mass_reduced_1000_kg": 266,
   "mass_reduced_1000_kg_printed": 266
  },
  {
   "d": 36,
   "not_recommended": false,
   "pitch": 4,
   "da_min": 36,
   "da_max": 38.9,
   "dw_max": 60,
   "dw_min": 55.9,
   "m_max": 36.6,
   "m_min": 35.0,
   "m1_min": 28.0,
   "s_max": 60,
   "s_min": 58.8,
   "e_min": 66.4,
   "coating_max_um": 50,
   "reduced_height_isp2": {
    "m_max": 29.7,
    "m_min": 28.4
   },
   "mass_1000_kg": 582,
   "mass_1000_kg_printed": 454,
   "mass_reduced_1000_kg": 470,
   "mass_reduced_1000_kg_printed": 368
  },
  {
   "d": 42,
   "not_recommended": false,
   "pitch": 4.5,
   "da_min": 42,
   "da_max": 45.4,
   "dw_max": 65,
   "dw_min": 58.5,
   "m_max": 42,
   "m_min": 40.4,
   "m1_min": 31.5,
   "s_max": 65,
   "s_min": 63.1,
   "e_min": 71.3,
   "coating_max_um": 50,
   "reduced_height_isp2": {
    "m_max": 34.8,
    "m_min": 33.2
   },
   "mass_1000_kg": 740,
   "mass_1000_kg_printed": 740,
   "mass_reduced_1000_kg": 611,
   "mass_reduced_1000_kg_printed": 611
  },
  {
   "d": 48,
   "not_recommended": false,
   "pitch": 5,
   "da_min": 48,
   "da_max": 51.8,
   "dw_max": 75,
   "dw_min": 67.5,
   "m_max": 48,
   "m_min": 46.4,
   "m1_min": 36,
   "s_max": 75,
   "s_min": 73.1,
   "e_min": 82.6,
   "coating_max_um": 50,
   "reduced_height_isp2": {
    "m_max": 38.8,
    "m_min": 37.2
   },
   "mass_1000_kg": 1144,
   "mass_1000_kg_printed": 1144,
   "mass_reduced_1000_kg": 921,
   "mass_reduced_1000_kg_printed": 921
  }
 ],
 "first_edition": {
  "s_min": {
   "16": 26.16,
   "18": 29,
   "20": 33,
   "22": 35,
   "24": 40,
   "27": 45,
   "30": 49,
   "36": 58.8,
   "42": 63.1,
   "48": 73.1
  },
  "e_min": {
   "16": 29.6,
   "18": 35,
   "20": 37.29,
   "22": 39.55,
   "24": 45.2,
   "27": 50.85,
   "30": 55.37,
   "36": 66.44,
   "42": 72.1,
   "48": 83.4
  },
  "mass_27": 224
 },
 "notes": [
  "масса М20 и М36 в издании посчитана для ключа 32 и 55 мм (ГОСТ 22354-77), масса М30 нормальной высоты напечатана равной уменьшенной; в sizes пересчёт КРЕПИОН по размерам, напечатанное в *_printed",
  "коэффициент закручивания: 0,14-0,20 (нормальное покрытие и смазка), 0,11-0,20 (произвольное покрытие)",
  "классы прочности 6, 8, 9, 10, 12; класс точности В; поле допуска резьбы 6Н"
 ],
 "replacement": {
  "ГОСТ 32484.3-2013 (HR)": {
   "16": {
    "s": 27,
    "m_max": 14.8,
    "m_min": 14.1
   },
   "20": {
    "s": 32,
    "m_max": 18,
    "m_min": 16.9
   },
   "22": {
    "s": 36,
    "m_max": 19.4,
    "m_min": 18.1
   },
   "24": {
    "s": 41,
    "m_max": 21.5,
    "m_min": 20.2
   },
   "27": {
    "s": 46,
    "m_max": 23.8,
    "m_min": 22.5
   },
   "30": {
    "s": 50,
    "m_max": 25.6,
    "m_min": 24.3
   },
   "36": {
    "s": 60,
    "m_max": 31,
    "m_min": 29.4
   }
  },
  "ГОСТ 32484.4-2013 (HV) = DIN 6915": {
   "16": {
    "s": 27,
    "m_max": 13,
    "m_min": 12.3
   },
   "20": {
    "s": 32,
    "m_max": 16,
    "m_min": 14.9
   },
   "22": {
    "s": 36,
    "m_max": 18,
    "m_min": 16.9
   },
   "24": {
    "s": 41,
    "m_max": 20,
    "m_min": 18.7
   },
   "27": {
    "s": 46,
    "m_max": 22,
    "m_min": 20.7
   },
   "30": {
    "s": 50,
    "m_max": 24,
    "m_min": 22.7
   },
   "36": {
    "s": 60,
    "m_max": 29,
    "m_min": 27.7
   }
  }
 },
 "source": "КРЕПИОН, krepion.ru, по официальному изданию стандарта",
 "url": "https://krepion.ru/gost/52645-2006"
}