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Choksiz uglerod po'lati va qotishma mexanik quvurlar

Choksiz uglerod po'lati va qotishma mexanik quvurlar Tavsiya etilgan rasm
  • Choksiz uglerod po'lati va qotishma mexanik quvurlar
  • Choksiz uglerod po'lati va qotishma mexanik quvurlar
  • Choksiz uglerod po'lati va qotishma mexanik quvurlar

Qisqacha tavsif:

Choksiz po'lat quvurlar, uglerod po'lat quvurlari va qotishma mexanik quvurlar, asosan mexanik uchunASTM A519-2006Standart, qotishma mexanik quvurlar asosan quyidagilarni o'z ichiga oladi

1018,1026,8620,4130,4140 va boshqalar.


  • To'lov:30% depozit, 70% L/C yoki B/L nusxasi yoki 100% L/C ko'rinishda
  • Minimal buyurtma miqdori:Bitta konteyner yoki 25 tonna
  • Ta'minot qobiliyati:Yillik 20000 tonna po'lat quvurlari inventarizatsiyasi
  • Bajarish vaqti:Agar omborda bo'lsa, 7-14 kun, ishlab chiqarish uchun 30-45 kun
  • Qadoqlash:Har bir quvur uchun qora yo'qolish, qiya va qopqoq; 219 mm dan past OD to'plamga solinishi kerak va har bir to'plam 2 tonnadan oshmasligi kerak.
    • PDF sifatida yuklab oling

    Mahsulot tafsiloti

    Mahsulot teglari

    Umumiy ma'lumot

    Standart:ASTM A519-2006 Qotishma yoki yo'q: Qotishma yoki uglerod
    Sinf guruhi: 1018,1026,8620,4130,4140 Ilova: Mexanik naycha
    Qalinligi: 1 - 100 mm Yuzaki ishlov berish: mijozning talabi sifatida
    Tashqi diametri (yumaloq): 10 - 1000 mm Texnika: Issiq haddelenmiş yoki sovuq haddelenmiş
    Uzunlik: Ruxsat etilgan uzunlik yoki tasodifiy uzunlik Issiqlik bilan ishlov berish: Yumshatish/Normalizatsiya qilish/Stressni yengillashtirish
    Bo'lim shakli: Dumaloq Maxsus quvur: Qalin devorli quvur
    Kelib chiqishi joyi: Xitoy Foydalanish: mexanik
    Sertifikatlash: ISO9001:2008 Sinov: EKT/UT

    Ilova

    U asosan mexanik va gaz ballonlarini tayyorlash uchun ishlatiladi. Uglerod va qotishma po'latdan yasalgan choksiz mexanik quvurlarni o'z ichiga oladi va devor qalinligi zarur bo'lganda yumaloq quvurlar uchun tashqi diametri 12 3⁄4 dyuym (323,8 mm) gacha bo'lgan choksiz issiq ishlov berilgan mexanik quvurlarni va choksiz sovuq ishlov berilgan mexanik quvurlarni qamrab oladi.

    Asosiy sinf

    1018,1026,8620,4130,4140

    Kimyoviy komponent

    1-JADVAL. Kam uglerodli po'latlarning kimyoviy talablari

    Baho Kimyoviy tarkib chegaralari, %
    Belgilanish UglerodA MarganetsB Fosfor, B Oltingugurt, B
          maksimal maksimal
    MT X 1015 0.10–0.20 0.60–0.90 0.04 0,05
    MT 1010 0,05–0,15 0.30–0.60 0.04 0,05
    MT 1015 0.10–0.20 0.30–0.60 0.04 0,05
    MT 1020 0,15–0,25 0.30–0.60 0.04 0,05
    MT X 1020 0,15–0,25 0.70–1.00 0.04 0,05


    2-JADVAL. Boshqa uglerodli po'latlarning kimyoviy talablari    BCheklovlar issiqlik tahliliga qo'llaniladi; 6.1-bandda talab qilingan hollar bundan mustasno, mahsulot tahlillari 5-jadvalda keltirilgan qo'shimcha tolerantliklarga bog'liq.

    Baho   Kimyoviy tarkib chegaralari, %A  
    Belgilanish        
    Uglerod Marganets Fosfor, Oltingugurt,
          maksimal maksimal
    1008 Maksimal 0,10 0.30–0.50 0.04 0,05
    1010 0.08–0.13 0.30–0.60 0.04 0,05
    1012 0.10–0.15 0.30–0.60 0.04 0,05
    1015 0,13–0,18 0.30–0.60 0.04 0,05
    1016 0,13–0,18 0.60–0.90 0.04 0,05
    1017 0,15–0,20 0.30–0.60 0.04 0,05
    1018 0,15–0,20 0.60–0.90 0.04 0,05
    1019 0,15–0,20 0.70–1.00 0.04 0,05
    1020 0,18–0,23 0.30–0.60 0.04 0,05
    1021 0,18–0,23 0.60–0.90 0.04 0,05
    1022 0,18–0,23 0.70–1.00 0.04 0,05
    1025 0,22–0,28 0.30–0.60 0.04 0,05
    1026 0,22–0,28 0.60–0.90 0.04 0,05
    1030 0,28–0,34 0.60–0.90 0.04 0,05
    1035 0,32–0,38 0.60–0.90 0.04 0,05
    1040 0,37–0,44 0.60–0.90 0.04 0,05
    1045 0.43–0.50 0.60–0.90 0.04 0,05
    1050 0,48–0,55 0.60–0.90 0.04 0,05
    1518-yil 0,15–0,21 1.10–1.40 0.04 0,05
    1524-yil 0,19–0,25 1.35–1.65 0.04 0,05
    1541-yil 0,36–0,44 1.35–1.65 0.04 0,05

    Ushbu jadvalda keltirilgan diapazonlar va chegaralar issiqlik tahliliga qo'llaniladi; talab qilingan hollar bundan mustasno6.1, mahsulot tahlillari 5-jadvalda keltirilgan qo'shimcha bardoshlik mezonlariga bog'liq.

    3-JADVAL. Qotishma po'latlar uchun kimyoviy talablar
    ESLATMA 1—Ushbu jadvaldagi diapazonlar va chegaralar ko'ndalang kesim maydoni 200 dyuym,2 (1290 sm2) dan oshmaydigan po'latlarga qo'llaniladi.
    ESLATMA 2—Qo'shma po'latlarda ko'rsatilmagan yoki talab qilinmagan ayrim elementlarning oz miqdori mavjud. Bu elementlar tasodifiy deb hisoblanadi.
    va quyidagi maksimal miqdorlarda mavjud bo'lishi mumkin: mis, 0,35%; nikel, 0,25%; xrom, 0,20%; molibden, 0,10%.
    ESLATMA 3—Ushbu jadvalda keltirilgan diapazonlar va chegaralar issiqlik tahliliga tegishli; 6.1-bandda talab qilingan hollar bundan mustasno, mahsulot tahlillari tegishli qoidalarga bo'ysunadi
    5-jadvalda keltirilgan qo'shimcha toleranslar.

     

    BahoA,B       Kimyoviy tarkib chegaralari, %        
    Dizayn-                
    Uglerod Marganets Fosfo- Oltingugurt,C,D Silikon Nikel Xrom Molibde-
    tion              
        rus,Cmaksimal maksimal       raqam
                   
    1330-yil 0,28–0,33 1.60–1.90 0.04 0.04 0,15–0,35 ... ... ...
    1335-yil 0.33–0.38 1.60–1.90 0.04 0.04 0,15–0,35 ... ... ...
    1340-yil 0,38–0,43 1.60–1.90 0.04 0.04 0,15–0,35 ... ... ...
    1345-yil 0.43–0.48 1.60–1.90 0.04 0.04 0,15–0,35 ... ... ...
    3140 0,38–0,43 0.70–0.90 0.04 0.04 0,15–0,35 1.10–1.40 0,55–0,75 ...
    E3310 0.08–0.13 0,45–0,60 0,025 0,025 0,15–0,35 3.25–3.75 1.40–1.75 ...
    4012 0.09–0.14 0,75–1,00 0.04 0.04 0,15–0,35 ... ... 0,15–0,25
    4023 0,20–0,25 0.70–0.90 0.04 0.04 0,15–0,35 ... ... 0.20–0.30
    4024 0,20–0,25 0.70–0.90 0.04 0.035−0.050 0,15–0,35 ... ... 0.20–0.30
    4027 0,25–0,30 0.70–0.90 0.04 0.04 0,15–0,35 ... ... 0.20–0.30
    4028 0,25–0,30 0.70–0.90 0.04 0.035−0.050 0,15–0,35 ... ... 0.20–0.30
    4037 0,35–0,40 0.70–0.90 0.04 0.04 0,15–0,35 ... ... 0.20–0.30
    4042 0.40–0.45 0.70–0.90 0.04 0.04 0,15–0,35 ... ... 0.20–0.30
    4047 0,45–0,50 0.70–0.90 0.04 0.04 0,15–0,35 ... ... 0.20–0.30
    4063 0.60–0.67 0,75–1,00 0.04 0.04 0,15–0,35 ... ... 0.20–0.30
    4118 0,18–0,23 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.40–0.60 0,08–0,15
    4130 0,28–0,33 0.40–0.60 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15–0,25
    4135 0.32–0.39 0,65–0,95 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15–0,25
    4137 0,35–0,40 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15–0,25
    4140 0,38–0,43 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15–0,25
    4142 0.40–0.45 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15–0,25
    4145 0.43–0.48 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15–0,25
    4147 0,45–0,50 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15–0,25
    4150 0,48–0,53 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15–0,25
    4320 0,17–0,22 0,45–0,65 0.04 0.04 0,15–0,35 1.65–2.00 0.40–0.60 0.20–0.30
    4337 0,35–0,40 0.60–0.80 0.04 0.04 0,15–0,35 1.65–2.00 0.70–0.90 0.20–0.30
    E4337 0,35–0,40 0,65–0,85 0,025 0,025 0,15–0,35 1.65–2.00 0.70–0.90 0.20–0.30
    4340 0,38–0,43 0.60–0.80 0.04 0.04 0,15–0,35 1.65–2.00 0.70–0.90 0.20–0.30
    E4340 0,38–0,43 0,65–0,85 0,025 0,025 0,15–0,35 1.65–2.00 0.70–0.90 0.20–0.30
    4422 0,20–0,25 0.70–0.90 0.04 0.04 0,15–0,35 ... ... 0,35–0,45
    4427 0,24–0,29 0.70–0.90 0.04 0.04 0,15–0,35 ... ... 0,35–0,45
    4520 0,18–0,23 0,45–0,65 0.04 0.04 0,15–0,35 ... ... 0,45–0,60
    4615 0,13–0,18 0,45–0,65 0.04 0.04 0,15–0,35 1.65–2.00 ... 0.20–0.30
    4617 0,15–0,20 0,45–0,65 0.04 0.04 0,15–0,35 1.65–2.00 ... 0.20–0.30
    4620 0,17–0,22 0,45–0,65 0.04 0.04 0,15–0,35 1.65–2.00 ... 0.20–0.30
    4621 0,18–0,23 0.70–0.90 0.04 0.04 0,15–0,35 1.65–2.00 ... 0.20–0.30
    4718 0,16–0,21 0.70–0.90 0.04 0.04 0,15–0,35 0.90–1.20 0,35–0,55 0.30–0.40
    4720 0,17–0,22 0,50–0,70 0.04 0.04 0,15–0,35 0.90–1.20 0,35–0,55 0,15–0,25
    4815 0,13–0,18 0.40–0.60 0.04 0.04 0,15–0,35 3.25–3.75 ... 0.20–0.30
    4817 0,15–0,20 0.40–0.60 0.04 0.04 0,15–0,35 3.25–3.75 ... 0.20–0.30
    4820 0,18–0,23 0,50–0,70 0.04 0.04 0,15–0,35 3.25–3.75 ... 0.20–0.30
    5015 0,12–0,17 0.30–0.50 0.04 0.04 0,15–0,35 ... 0.30–0.50 ...
    5046 0.43–0.50 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.20–0.35 ...
    5115 0,13–0,18 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.70–0.90 ...
    5120 0,17–0,22 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.70–0.90 ...
    5130 0,28–0,33 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.80–1.10 ...
    5132 0.30–0.35 0.60–0.80 0.04 0.04 0,15–0,35 ... 0,75–1,00 ...
    5135 0.33–0.38 0.60–0.80 0.04 0.04 0,15–0,35 ... 0.80–1.05 ...
    5140 0,38–0,43 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.70–0.90 ...
    5145 0.43–0.48 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.70–0.90 ...
    5147 0,46–0,51 0.70–0.95 0.04 0.04 0,15–0,35 ... 0,85–1,15 ...
    5150 0,48–0,53 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.70–0.90 ...
    5155 0,51–0,59 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.70–0.90 ...
    5160 0,56–0,64 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.70–0.90 ...
    52100E 0.93–1.05 0,25–0,45 0,025 0,015 0,15–0,35 Maksimal 0,25 1.35–1.60 Maksimal 0,10
    E50100 0.98–1.10 0,25–0,45 0,025 0,025 0,15–0,35 ... 0.40–0.60 ...
    E51100 0.98–1.10 0,25–0,45 0,025 0,025 0,15–0,35 ... 0.90–1.15 ...
    E52100 0.98–1.10 0,25–0,45 0,025 0,025 0,15–0,35 ... 1.30–1.60 ...
                    Vanadiy
                     
    6118 0,16–0,21 0,50–0,70 0.04 0.04 0,15–0,35 ... 0,50–0,70 0.10–0.15
    6120 0,17–0,22 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.70–0.90 0,10 daqiqa
    6150 0,48–0,53 0.70–0.90 0.04 0.04 0,15–0,35 ... 0.80–1.10 0,15 daqiqa
                     
                Alyuminiy   Molibden
                     
    E7140 0,38–0,43 0,50–0,70 0,025 0,025 0,15–0,40 0.95–1.30 1.40–1.80 0.30–0.40
                     
                Nikel    
                     
    8115 0,13–0,18 0.70–0.90 0.04 0.04 0,15–0,35 0.20–0.40 0.30–0.50 0,08–0,15
    8615 0,13–0,18 0.70–0.90 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8617 0,15–0,20 0.70–0.90 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8620 0,18–0,23 0.70–0.90 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8622 0,20–0,25 0.70–0.90 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8625 0,23–0,28 0.70–0.90 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8627 0,25–0,30 0.70–0.90 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8630 0,28–0,33 0.70–0.90 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8637 0,35–0,40 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8640 0,38–0,43 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8642 0.40–0.45 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8645 0.43–0.48 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8650 0,48–0,53 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8655 0,51–0,59 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8660 0,55–0,65 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    8720 0,18–0,23 0.70–0.90 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0.20–0.30
    8735 0.33–0.38 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0.20–0.30
    8740 0,38–0,43 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0.20–0.30
    8742 0.40–0.45 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0.20–0.30
    8822 0,20–0,25 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0.30–0.40
    9255 0,51–0,59 0.60–0.80 0.04 0.04 1.80–2.20 ... 0.60–0.80 ...
    9260 0,56–0,64 0,75–1,00 0.04 0.04 1.80–2.20 ... ... ...
    9262 0,55–0,65 0,75–1,00 0.04 0.04 1.80–2.20 ... 0,25–0,40 ...
    E9310 0.08–0.13 0,45–0,65 0,025 0,025 0,15–0,35 3.00–3.50 1.00–1.40 0,08–0,15
    9840 0,38–0,42 0.70–0.90 0.04 0.04 0,15–0,35 0,85–1,15 0.70–0.90 0.20–0.30
    9850 0,48–0,53 0.70–0.90 0.04 0.04 0,15–0,35 0,85–1,15 0.70–0.90 0.20–0.30
    50B40 0,38–0,42 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.40–0.60 ...
    50B44 0.43–0.48 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.40–0.60 ...
    50B46 0.43–0.50 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.20–0.35 ...
    50B50 0,48–0,53 0.74–1.00 0.04 0.04 0,15–0,35 ... 0.40–0.60 ...
    50B60 0,55–0,65 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.40–0.60 ...
    51B60 0,56–0,64 0,75–1,00 0.04 0.04 0,15–0,35 ... 0.70–0.90 ...
    81B45 0.43–0.48 0,75–1,00 0.04 0.04 0,15–0,35 0.20–0.40 0,35–0,55 0,08–0,15
    86B45 0.43–0.48 0,75–1,00 0.04 0.04 0,15–0,35 0.40–0.70 0.40–0.60 0,15–0,25
    94B15 0,13–0,18 0,75–1,00 0.04 0.04 0,15–0,35 0.30–0.60 0.30–0.50 0,08–0,15
    94B17 0,15–0,20 0,75–1,00 0.04 0.04 0,15–0,35 0.30–0.60 0.30–0.50 0,08–0,15
    94B30 0,28–0,33 0,75–1,00 0.04 0.04 0,15–0,35 0.30–0.60 0.30–0.50 0,08–0,15
    94B40 0,38–0,43 0,75–1,00 0.04 0.04 0,15–0,35 0.30–0.60 0.30–0.50 0,08–0,15
                     

    B Ushbu jadvalda B harfi bilan ko'rsatilgan 50B40 kabi darajalar minimal bor nazoratining 0,0005% ga ega bo'lishi kutilmoqda. AUshbu jadvalda E prefiksi bilan ko'rsatilgan navlar odatda asosiy elektr pech jarayonida ishlab chiqariladi. Boshqa barcha navlar odatda asosiy ochiq o'choq jarayonida ishlab chiqariladi, ammo fosfor va oltingugurt miqdorini sozlash bilan asosiy elektr pech jarayonida ishlab chiqarilishi mumkin.

     

    CHar bir jarayon uchun fosfor oltingugurtining cheklovlari quyidagicha:

    Oddiy elektr pechi 0,025 maksimal % Kislotali elektr pechi 0,050 maksimal %

    Oddiy ochiq o'choq 0,040 maksimal % Kislota ochiq o'choq 0,050 maksimal %

    D Minimal va maksimal oltingugurt miqdori qayta oltingugurtli po'latlarni ko'rsatadi.

    EXaridor quyidagi maksimal miqdorlarni belgilashi mumkin: mis, 0,30%; alyuminiy, 0,050%; va kislorod, 0,0015%.

     

    Mexanik xususiyat

    Uglerod va qotishma po'latlarning eng keng tarqalgan navlarining ba'zilari uchun odatiy cho'zilish xususiyatlari, qattiqlik va issiqlik holati

     

    CW — Sovuq ishlangan SR — Stressdan xalos bo'lgan A — Tavlangan N — Normallashtirilgan A Quyida turli holatlar uchun ramz ta'riflari keltirilgan: HR — Issiq rulon

    Baho Shart- Yakuniy Yo'l bering Uzayish Rokvell,
    Dizayn- tionA Kuch, Kuch, 2 dyuymda yoki Qattiqlik
    millat           50 mm, % B shkalasi
      ksi MPa ksi MPa
         
                 
    1020 HR 50 345 32 221 25 55
    CW 70 483 60 414 5 75
    SR 65 448 50 345 10 72
    A 48 331 28 193 30 50
    N 55 379 34 234 22 60
    1025 HR 55 379 35 241 25 60
    CW 75 517 65 448 5 80
    SR 70 483 55 379 8 75
    A 53 365 30 207 25 57
    N 55 379 36 248 22 60
    1035 HR 65 448 40 276 20 72
    CW 85 586 75 517 5 88
    SR 75 517 65 448 8 80
    A 60 414 33 228 25 67
    N 65 448 40 276 20 72
    1045 HR 75 517 45 310 15 80
    CW 90 621 80 552 5 90
    SR 80 552 70 483 8 85
    A 65 448 35 241 20 72
    N 75 517 48 331 15 80
    1050 HR 80 552 50 345 10 85
    SR 82 565 70 483 6 86
    A 68 469 38 262 18 74
    N 78 538 50 345 12 82
    1118 HR 50 345 35 241 25 55
    CW 75 517 60 414 5 80
    SR 70 483 55 379 8 75
    A 50 345 30 207 25 55
    N 55 379 35 241 20 60
    1137-yil HR 70 483 40 276 20 75
    CW 80 552 65 448 5 85
    SR 75 517 60 414 8 80
    A 65 448 35 241 22 72
    N 70 483 43 296 15 75
    4130 HR 90 621 70 483 20 89
    SR 105 724 85 586 10 95
    A 75 517 55 379 30 81
    N 90 621 60 414 20 89
    4140 HR 120 855 90 621 15 100
    SR 120 855 100 689 10 100
    A 80 552 60 414 25 85
    N 120 855 90 621 20 100

    d

    Bardoshlik

    Dumaloq issiq ishlov berilgan quvurlar uchun tashqi diametrli bardoshlikA,B,C

     

    Tashqi diametr o'lchamlari oralig'i, Tashqi diametrga chidamlilik, dyuym (mm)
    dyuym (mm) Ustidan ostida
    2.999 (76.17) gacha 0.020 (0.51) 0.020 (0.51)
    3.000–4.499 (76.20–114.27) 0.025 (0.64) 0.025 (0.64)
    4.500–5.999 (114.30–152.37) 0.031 (0.79) 0.031 (0.79)
    6.000–7.499 (152.40–190.47) 0.037 (0.94) 0.037 (0.94)
    7.500–8.999 (190.50–228.57) 0.045 (1.14) 0.045 (1.14)
    9.000–10.750 (228.60–273.05) 0.050 (1.27) 0.050 (1.27)

     

    Diametr toleranslari normallashtirilgan va chidamli yoki so'ndirilgan va chidamli sharoitlarga taalluqli emas.

    B Issiq tayyor quvurlarning umumiy o'lchamlari 1 ga teng138,1 mm dan 10 gacha3tashqi diametri 273,0 mm (273,0 mm), devor qalinligi tashqi diametrning kamida 3% yoki undan ko'prog'iga teng, lekin kamida 2,41 mm (0,095 dyuym) bo'lishi kerak.

    C Kattaroq o'lchamlar mavjud; o'lchamlar va bardoshlik uchun ishlab chiqaruvchiga murojaat qiling.

     

    Dumaloq issiq pardozlash uchun devor qalinligi bardoshliligi

    Quvurlar

    Devor qalinligi

    Devor qalinligi bardoshliligi,Afoizdan ortiq
    Foiz sifatida diapazon

    va nominal ostida
    Tashqarida

    Tashqarida

    Tashqarida

    Tashqarida
    Diametri

    Diametri

    Diametri

    Diametri

    2.999 dyuym

    3000 dyuym

    6000 dyuym

    (76,19 mm)

    (76,20 mm)

    (152.40 mm)

    va kichikroq

    5.999 dyuymgacha

    10,750 dyuymgacha

    (152.37 mm)

    (273.05 mm)
    15 yoshgacha

    12.5

    10.0

    10.0
    15 va undan katta

    10.0

    7.5

    10.0
    Devor qalinligidagi toleranslar 0,199 dyuym (5,05 mm) va undan kichikroq devorlarga taalluqli bo'lmasligi mumkin; bunday naycha o'lchamlari bo'yicha devor toleranslari uchun ishlab chiqaruvchiga murojaat qiling.
    muhimroq o'lcham bo'lsa, sovuq ishlov berilgan quvurlar ichki diametr va devor qalinligi yoki tashqi diametr va ichki diametrga qarab belgilanishi kerak.
    Qo'pol burilgan mexanik quvurlar — Tashqi diametr va devor qalinligidagi o'zgarish Jadvaldagi tolerantlikdan oshmasligi kerak. Jadval tashqi diametr va devor qalinligiga qo'llaniladigan tolerantliklarni qamrab oladi va belgilangan o'lchamga qo'llaniladi.
    Mexanik yerga ulash quvurlari — Tashqi diametrdagi o'zgarish Jadvaldagi ruxsat etilgan chegaralardan oshmasligi kerak. Ushbu mahsulot odatda sovuq ishlov berilgan naychadan ishlab chiqariladi.
    Uzunliklar — Mexanik quvurlar odatda tegirmon uzunligida, 5 fut (1,5 m) va undan yuqorida taqdim etiladi. Xaridor tomonidan belgilangan aniq kesilgan uzunliklar taqdim etiladi. Uzunlik bardoshliligi jadvalda ko'rsatilgan.
    To'g'rilik — Choksiz yumaloq naychalar uchun to'g'rilik bardoshliklari Jadvalda ko'rsatilgan miqdorlardan oshmasligi kerak.

     

    Sinov talabi

    1. Qattiqlik sinovi
    Qattiqlik chegaralari talab qilinganda, ishlab chiqaruvchiga murojaat qilish kerak. Odatdagi qattiqlik ko'rsatkichlari . Jadvalda keltirilgan. Belgilangan hollarda, qattiqlik sinovi naychalarning 1 foizida o'tkazilishi kerak.

    2. Kuchlanish sinovlari
    Cho'zilish xususiyatlari talab qilinganda, ishlab chiqaruvchiga murojaat qilish kerak. Ba'zi keng tarqalgan navlar va issiqlik sharoitlari uchun odatiy cho'zilish xususiyatlari jadvalda keltirilgan.

    3. Buzmaydigan sinovlar
    Turli xil zararsiz ultratovush yoki elektromagnit sinovlar mavjud. Qo'llaniladigan sinov va tekshirish chegaralari ishlab chiqaruvchi va xaridor o'rtasidagi kelishuv bilan belgilanadi.

    4. Yonish sinovi
    Po'latning tozaligiga maxsus talablar mavjud bo'lganda, sinov usullari va qabul qilish chegaralari ishlab chiqaruvchi va xaridor o'rtasidagi kelishuv bilan belgilanadi.

    Mahsulot tafsiloti

    Mexanik/kimyoviy va o'g'it quvurlari

    GB/T8162-2008

    ASTM A519-2006

    BS EN 10210-1-2006

    ASTM A53/A53M-2012

    GB9948-2006

    GB6479-2013

    GB/T 17396-2009

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