Mahsulot turi: Past haroratli quvur, Past haroratli qotishma po'lat quvur, choksiz past haroratli quvur, uglerodli po'lat choksiz past harorat
Spetsifikatsiya:
Mahsulot turi:Past haroratli quvur
Hajmi:
Tashqi diametri (OD): 73-630mm
Devor qalinligi (WT): 6-35mm
UZUNLIK: bitta tasodifiy, ikki marta tasodifiy, kesish uzunligi
Ilova: Qayta ishlash zavodlarida, elektr stantsiyalarida, qozonlarda, issiqlik almashinuvchilarida, kondensatorlarda va boshqalarda.
Quvur standarti:ASTM A333/ASME SA333
Issiqlik bilan ishlov berish:
Tavlangan: Yorqin tavlangan, sferoidlashtirilgan tavlangan, normallashtirilgan, stressdan xalos bo'lgan, sovuq ishlov berilgan, o'chirilgan va temperli
1. ASTM A333 Kimyoviy tarkibga qo'yiladigan talablar
|
ASTM A333 ning kimyoviy tarkibi |
|||||||||
|
Element |
1-darajali, % |
3-darajali, % |
4-darajali, % |
6-sinf, % |
7-sinf, % |
8-sinf, % |
9-sinf, % |
10-sinf, % |
11-sinf, % |
|
C |
0.30 |
0.19 |
0.12 |
0.30 |
0.19 |
0.13 |
0.20 |
0.20 |
0.10 |
|
mn |
0.40–1.06 |
0.31–0.64 |
0.50–1.05 |
0.29–1.06 |
0.90 |
0.90 |
0.40–1.06 |
1.15–1.50 |
0.60 |
|
P |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.035 |
0.025 |
|
S |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.015 |
0.025 |
|
Si |
... |
0.18–0.37 |
0.08–0.37 |
0.10 daq |
0.13–0.32 |
0.13–0.32 |
... |
0.10–0.35 |
0.35 |
|
Ni |
... |
3.18–3.82 |
0.47–0.98 |
0.40 |
2.03–2.57 |
8.40–9.60 |
1.60–2.24 |
0.25 |
35.0–37.0 |
|
Cr |
... |
... |
0.44–1.01 |
0.30 |
... |
... |
... |
0.15 |
0.50 |
|
Cu |
... |
... |
0.40–0.75 |
0.40 |
... |
... |
0.75–1.25 |
0.15 |
... |
|
Al |
... |
... |
0.04–0.30 |
... |
... |
... |
... |
0.06 |
... |
|
V |
... |
... |
... |
0.08 |
... |
... |
... |
0.12 |
... |
|
Markaziy dars |
... |
... |
... |
0.02 |
... |
... |
... |
0.05 |
... |
|
Mo |
... |
... |
... |
0.12 |
... |
... |
... |
0.05 |
0.50 |
|
dasturi |
... |
... |
... |
... |
... |
... |
... |
... |
0.50 |
*1 va 6-sinflar uchun 0.01% C dan 0.30% ga har bir pasaytirish, 1,06% dan 0,05% Mn ga o'sish maksimal darajaga ruxsat etiladi. 1,35%.
*6-sinf uchun kolumbiy limiti 0 gacha oshirilishi mumkin.0Issiqlik tahlilida 5% va mahsulot tahlilida 0,06%.
*Odatda uglerod ekvivalenti CE {0}} [C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15] dan oshmasligi kerak Issiqlik tahlili bilan 0,43%.
2. ASTM A333 Mexanik xususiyatlari
|
ASTM A333 |
Kuchlanish kuchi, min. |
Hosildorlik kuchi, min. |
Cho'zilish %, min. |
|||
|
Baho |
psi |
MPa |
psi |
MPa |
Uzunlamasına |
Transvers |
|
1-sinf |
55 000 |
380 |
30 000 |
205 |
35 |
25 |
|
3-sinf |
65 000 |
450 |
35 000 |
240 |
30 |
20 |
|
4-sinf |
60 000 |
415 |
35 000 |
240 |
30 |
16.5 |
|
6-sinf |
60 000 |
415 |
35 000 |
240 |
30 |
16.5 |
|
7-sinf |
65 000 |
450 |
35 000 |
240 |
30 |
22 |
|
8-sinf |
100 000 |
690 |
75 000 |
515 |
22 |
... |
|
9-sinf |
63 000 |
435 |
46 000 |
315 |
28 |
... |
|
10-sinf |
80 000 |
550 |
65 000 |
450 |
22 |
... |
|
11-sinf |
65 000 |
450 |
35 000 |
240 |
18 |
... |
*Uzayish qiymatlari standart dumaloq 2 dyuym yoki 50 mm (yoki 4D) namunalar asosida taqdim etiladi.
*11-sinfning cho'zilishi to'liq qismda sinovdan o'tgan barcha devorlar va kichik o'lchamlar uchun.
3. Charpy V-notch zarba sinovlari
|
1, 3, 4, 6, 7, 9, 10 va 11-sinflar uchun taʼsirga qoʻyiladigan talablar |
||||
|
Namuna hajmi |
*A |
*B |
||
|
mm |
ft·lbf |
J |
ft·lbf |
J |
|
10 dan 10 gacha |
13 |
18 |
10 |
14 |
|
10 dan 7,5 gacha |
10 |
14 |
8 |
11 |
|
10 dan 6,67 gacha |
9 |
12 |
7 |
9 |
|
10 dan 5 gacha |
7 |
9 |
5 |
7 |
|
10 dan 3,33 gacha |
5 |
7 |
3 |
4 |
|
10 dan 2,5 gacha |
4 |
5 |
3 |
4 |
*A uchta namunadan iborat har bir to'plamning minimal o'rtacha tirqishli ta'sir qiymatini bildiradi.
*B to'plamning faqat bitta namunasining minimal tirqishli ta'sir qiymatini bildiradi.
|
ASTM A333 ning minimal ta'sir sinovi harorati |
||
|
Baho |
daraja F |
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 |
* 70 darajadan [20 darajadan] past haroratlar uchun mo'ljallangan ta'sir sinovlari ehtiyotkorlik bilan amalga oshirilishi kerak.
-
Spetsifikatsiya
-
natija natijasi
(in)Tashqi diametri
(in)ASTM A333 6-darajali karbonli po'latdan yasalgan choksiz quvurlar jadvali
SCH 10
SCH 20
SCH 30
SCH STD
SCH 40
SCH 60
SCH XS
SCH 80
SCH 100
SCH 120
SCH 140
SCH 160
SCH XXS
Devor qalinligi (in)
1/8
0.405
0.068
0.068
0.095
0.095
1/4
0.540
0.088
0.088
0.119
0.119
3/8
0.675
0.091
0.091
0.126
0.126
1/2
0.840
0.109
0.109
0.147
0.147
0.187
0.294
3/4
1.050
0.113
0.113
0.154
0.154
0.219
0.308
1
1.315
0.133
0.133
0.179
0.179
0.250
0.358
1 1/4
1.660
0.140
0.140
0.191
0.191
0.250
0.382
1 1/2
1.900
0.145
0.145
0.200
0.200
0.281
0.400
2
2.375
0.154
0.154
0.218
0.218
0.344
0.436
2 1/2
2.875
0.203
0.203
0.276
0.276
0.375
0.552
3
3.500
0.216
0.216
0.300
0.300
0.438
0.600
3 1/2
4.000
0.226
0.226
0.318
0.318
4
4.500
0.237
0.237
0.337
0.337
0.438
0.531
0.674
5
5.563
0.258
0.258
0.375
0.375
0.500
0.625
0.750
6
6.625
0.280
0.280
0.432
0.432
0.562
0.719
0.864
8
8.625
0.250
0.277
0.322
0.322
0.406
0.500
0.500
0.594
0.719
0.812
0.906
0.875
10
10.750
0.250
0.307
0.365
0.365
0.500
0.500
0.594
0.719
0.844
1.000
1.125
1.000
12
12.750
0.250
0.330
0.375
0.406
0.562
0.500
0.688
0.844
1.000
1.125
1.312
1.000
14
14.000
0.250
0.312
0.375
0.375
0.438
0.594
0.500
0.750
0.938
1.094
1.250
1.406
16
16.000
0.250
0.312
0.375
0.375
0.500
0.656
0.500
0.844
1.031
1.219
1.438
1.594
18
18.000
0.250
0.312
0.438
0.375
0.562
0.750
0.500
0.938
1.156
1.375
1.562
1.781
20
20.000
0.250
0.375
0.500
0.375
0.594
0.812
0.500
1.031
1.281
1.500
1.750
1.969
22
22.000
0.250
0.375
0.500
0.375
0.875
0.500
1.125
1.375
1.625
1.875
2.125
24
24.000
0.250
0.375
0.562
0.375
0.688
0.969
0.500
1.219
1.531
1.812
2.062
2.344
30
30.000
0.312
0.500
0.625
0.375
0.500
32
32.000
0.312
0.500
0.625
0.375
0.688
34
34.000
0.312
0.500
0.625
0.375
0.688
36
36.000
0.312
0.500
0.625
0.375
0.750
42
42.000
0.500
0.625
0.375
0.750
Issiq teglar: ASTM a333 gr.6 choksiz quvur, Xitoy ASTM a333 gr.6 choksiz quvur ishlab chiqaruvchilari, etkazib beruvchilari, zavodi
