Tá toisí feadánra dhosmálta leathan le roghnú as, tá trastomhas mór, balla trom, nó trastomhas beag ar fáil, tagraíonn an uimhir sceidil do thiús bhalla an phíobáin déanta as cruach dhosmálta, tá roinnt uimhreacha Sceidil ann chun freastal ar riachtanais éagsúla, lena n-áirítearSCH.5S, SCH.10, SCH.10S, SCH.20, SCH.30, SCH.40, SCH40S, SCH.80, SCH.80Sagus níos mó Sceideal Uimh., nuair a mhéadaíonn an líon, an thicker an tiús bhalla leis na toisí NPS céanna, chomh maith leis na hathruithe tiús bhalla bunaithe ar an méid píopa ainmniúil (NPS).
Sonraíochtaí Píopa Cruach Dhosmálta
| Sonraíochtaí | ASTM A312, A358, A376, A409, A778 |
|---|---|
| Grád | 304/304L, 316/316L |
| Déantúsaíocht Píopaí | Wlded Nó Gan uaim |
| Críochnaigh | Annealing, Bright Annealing, Snasú |
| NPS | 1/8″ – 24″ |
| Sceideal | Scoil 5 – Sc160 |
| Críochnaíonn | Simplí Críoch, Críoch Beveled |
Toisí Píobáin Cruach Dhosmálta, Tiús Balla Agus Meáchain
| Méid Ainmniúil Píob (orlach) |
Amuigh Trastomhas |
Sceideal | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5S | 10S | 40S | 80S | |||||||
| (Mm) | (orlach) | Balla Tiús Agus Meáchan | ||||||||
| Mm (i) |
Kg/M | Mm (i) |
Kg/M | Mm (i) |
Kg/M | Mm (i) |
Kg/M | |||
| 1/8 | 10.3 | 0.405 | – | – | 1.25 (0.049) |
0.28 | 1.73 (0.068) |
0.37 | 2.42 (0.095) |
0.47 |
| 1/4 | 13.7 | 0.540 | – | – | 1.66 (0.065) |
0.49 | 2.24 (0.088) |
0.63 | 3.03 (0.119) |
0.80 |
| 3/8 | 17.2 | 0.675 | – | – | 1.66 (0.065) |
0.63 | 2.32 (0.091) |
0.85 | 3.20 (0.126) |
1.10 |
| 1/2 | 21.3 | 0.840 | 1.65 (0.065) |
0.81 | 2.11 (0.083) |
1.00 | 2.77 (0.109) |
1.27 | 3.74 (0.147) |
1.62 |
| 3/4 | 26.7 | 1.050 | 1.65 (0.065) |
1.02 | 2.11 (0.083) |
1.28 | 2.87 (0.113) |
1.68 | 3.92 (0.154) |
2.20 |
| 1 | 33.4 | 1.315 | 1.65 (0.065) |
1.30 | 2.77 (0.109) |
2.09 | 3.38 (0.133) |
2.50 | 4.55 (0.179) |
3.24 |
| 1 1/4 | 42.2 | 1.660 | 1.65 (0.065) |
1.66 | 2.77 (0.109) |
2.69 | 3.56 (0.140) |
3.39 | 4.86 (0.191) |
4.47 |
| 1 1/2 | 48.3 | 1.900 | 1.65 (0.065) |
1.91 | 2.77 (0.109) |
3.11 | 3.69 (0.145) |
4.06 | 5.08 (0.200) |
5.41 |
| 2 | 60.3 | 2.375 | 1.65 (0.065) |
2.40 | 2.77 (0.109) |
3.93 | 3.92 (0.154) |
5.45 | 5.54 (0.218) |
7.49 |
| 2 1/2 | 73.0 | 2.875 | 2.11 (0.083) |
3.69 | 3.05 (0.120) |
5.26 | 5.16 (0.203) |
8.64 | 7.01 (0.276) |
11.4 |
| 3 | 88.9 | 3.500 | 2.11 (0.083) |
4.52 | 3.05 (0.120) |
6.46 | 5.49 (0.216) |
11.3 | 7.62 (0.300) |
15.3 |
| 3 1/2 | 101.6 | 4.000 | 2.11 (0.083) |
5.18 | 3.05 (0.120) |
7.41 | 5.74 (0.226) |
13.6 | 8.08 (0.318) |
18.6 |
| 4 | 114.3 | 4.500 | 2.11 (0.083) |
5.84 | 3.05 (0.120) |
8.37 | 6.02 (0.237) |
16.1 | 8.56 (0.337) |
22.3 |
| 5 | 141.3 | 5.563 | 2.77 (0.109) |
9.46 | 3.41 (0.134) |
11.6 | 6.56 (0.258) |
21.8 | 9.53 (0.375) |
31.0 |
| 6 | 168.3 | 6.625 | 2.77 (0.109) |
11.3 | 3.41 (0.134) |
13.9 | 7.12 (0.280) |
28.3 | 10.98 (0.432) |
42.6 |
| 8 | 219.1 | 8.625 | 2.77 (0.109) |
14.8 | 3.76 (0.148) |
20.0 | 8.18 (0.322) |
42.5 | 12.70 (0.500) |
64.6 |
| 10 | 273.1 | 10.750 | 3.41 (0.134) |
22.7 | 4.20 (0.165) |
27.8 | 9.28 (0.365) |
60.4 | 12.70 (0.500) |
81.5 |
| 12 | 323.9 | 12.750 | 3.97 (0.156) |
31.3 | 4.58 (0.180) |
36.1 | 9.53 (0.375) |
73.9 | 12.70 (0.500) |
97.4 |
Grád Cruach Dhosmálta
Tá airíonna den scoth ag ábhair chruach dhosmálta le húsáid i dtimpeallachtaí ardbhrú, teocht ard agus creimeadh, seachas faoi bhun gráid cruach dhosmálta, cuirimid cruach cóimhiotail eile ar fáil freisin ar iarratas.
| 300 sraith | 400 sraith | Daoine eile |
|
301, 302, 303 304, 304L, 304H 316, 316L, 316H, 316Ti 317, 317L, 317LN 321, 321H 347, 347H 310S |
409, 409L 430 439 441 443 436L 444 |
904L S31803 S32205, 2205 S32750, 2507 254SMO |
Píobán ss tiús bhalla Sceideal 40/40S a thairiscint GNEE STEEL chun freastal ar iarratais éagsúla, tá cruach dhosmálta 304/304L 316/316L ag na gráid a úsáidtear go coitianta, tá friotaíocht creimeadh den scoth ag na gráid seo a oireann do go leor tionscail, mar shampla ola & gás, innealtóireacht pheitriceimiceach & tionscal ceimiceach.
