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ASTM A333 past haroratli xizmat ko'rsatish uchun po'lat quvur uchun

Nov 07, 2022 Xabar QOLDIRISH

-ASTM A333 past haroratli xizmat uchun choksiz va payvandlangan po'lat quvurlar uchun standart spetsifikatsiya


Ushbu spetsifikatsiya past haroratlarda foydalanish uchun mo'ljallangan nominal (o'rtacha) choksiz va payvandlangan uglerod va qotishma po'lat quvurlarni o'z ichiga oladi. 1-jadvalda ko'rsatilganidek, ferritli po'latning bir nechta navlari kiritilgan. Ba'zi mahsulot o'lchamlari ushbu spetsifikatsiya ostida mavjud bo'lmasligi mumkin, chunki og'irroq devor qalinligi past haroratli ta'sir xususiyatlariga salbiy ta'sir qiladi.


Ushbu ASTM A333 spetsifikatsiyasi 1, 3, 4, 6, 7, 8, 9, 10 va 11-sinflar kabi bir nechta sinflarni qamrab oladi.


ASTM A333 quvurining texnik xususiyatlari

Texnik xususiyatlari: ASTM A333/ASME SA333

Sinf: 1, 3, 4, 6, 7, 8, 9, 10, 11-sinflar

Tashqi diametri: 1/8" - 24"

Devor qalinligi: SCH 10, SCH 20, SCH 40, SCH STD, SCH 80, SCH XS, SCH 160, SCH XXS

Uzunlik: bitta tasodifiy uzunlik, ikki marta tasodifiy uzunlik yoki kerak bo'lganda

Uchlari: tekis uchi, qiyshiq uchi, tishli

To'lov shartlari: T / T, L / C

Yetkazib berish muddati: talab qilinadigan miqdorga qarab


ASTM A333 quvurining kimyoviy tarkibi (foiz).

BahoCMnP, maksS, maksSiNiCrCuAlVNbMoCo
Gr. 10.300.40-1.060.0250.025








Gr. 30.190.31-0.640.0250.0250.18-0.373.18-3.82






Gr. 40.120.50-1.050.0250.0250.08-0.370.47-0.980.44-1.010.40-0.750.04-0.30



Gr. 60.300.29-1.060.0250.0250.10 daq







Gr. 70.190.90maks0.0250.0250.13-0.322.03-2.57






Gr. 80.130.90maks0.0250.0250.13-0.328.40-9.60






Gr. 90.200.40-1.060.0250.025-1.60-2.24-0.75-1.25




Gr. 100.201.15-1.500.0350.0150.10-0.350.25 maks0.15 maks0.15 maks0.06maks0.120.050.05
Gr. 110.100.60maks0.0250.0250.35 maks35.0-37.00.50maks----0.50maks0.50maks


ASTM A333 quvurining mexanik xususiyatlari

BahoKuchlanish kuchi (MPa)Daromad nuqtasi (MPa)Cho'zilish (foiz)
YX
1-sinf380 dan katta yoki unga teng205 dan katta yoki teng35 dan katta yoki teng25 dan katta yoki teng
3-sinf450 dan katta yoki unga teng240 dan katta yoki teng30 dan katta yoki teng20 dan katta yoki teng
4-sinf415 dan katta yoki unga teng240 dan katta yoki teng30 dan katta yoki teng16,5 dan katta yoki teng
6-sinf415 dan katta yoki unga teng240 dan katta yoki teng30 dan katta yoki teng16,5 dan katta yoki teng
7-sinf450 dan katta yoki unga teng240 dan katta yoki teng30 dan katta yoki teng22 dan katta yoki teng
8-sinf690 dan katta yoki unga teng515 dan katta yoki unga teng22 dan katta yoki teng
9-sinf435 dan katta yoki teng315 dan katta yoki unga teng28 dan katta yoki teng
10-sinf550 dan katta yoki teng450 dan katta yoki unga teng22 dan katta yoki teng
11-sinf450 dan katta yoki unga teng240 dan katta yoki teng18 dan katta yoki teng


Ta'sir sinovi harorati

BahoMinimal ta'sir sinov harorati
daraja
1-50-45
3-150-100
4-150-100
6-50
-45
7-100-75
8-320-195
9-100-75
10-75-60
11-320-195


ASTM A333 3, 6, 7, 9, 10-sinf quvurlari uchun zarba sinov qiymatlari

Namuna hajmi, mmUchta namuna uchun minimal o'rtacha ta'sir qiymatiBitta namuna uchun minimal ta'sir qiymati
fut/lbfJfut/lbfJ
10 dan 10 gacha13181014
10 dan 7,5 gacha1014811
10 dan 6,75 gacha91279
10 dan 5 gacha7957
10 dan 3,33 gacha5734
10 dan 2,5 gacha4534


ASTM A333 quvurining devor qalinligi bardoshliligi

Tashqi diametri, dyuymTolerantlik, foiz
ortiqcha-
1/8 OD dan kichik yoki unga teng 2-1/2 dan kichik yoki teng20.012.5
3 OD dan kam yoki unga teng 18 dan kam yoki teng, WT/OD 5 foizdan kam yoki teng22.512.5
3≤OD≤18, WT/OD>5 foiz15.012.5
OD 20 dan katta yoki teng, WT/OD 5 foizdan kam yoki teng22.512.5
OD≥20, WT/OD>5 foiz15.012.5