ASTM A672 B60/B70/C60/C65/C70 LSAW(JCOE) Erogba Irin Pipeti a lo ni ipo titẹ-giga ati lilo akọkọ ni ile-iṣẹ agbara, ile-iṣẹ epo ti ita, ile-iṣẹ kemikali, Ajile, awọn kemikali petrochemicals, awọn isọdọtun ati bẹbẹ lọ.
ASTM A672 B60 / B70 / C60 / C65 / C70LSAW(JCOE) Erogba Irin Pipeyoo wa ni ilopo-welded, kikun-ilaluja welds ṣe ni ibamu pẹlu awọn ilana ati nipa welders tabi alurinmorin awọn oniṣẹ oṣiṣẹ ni ibamu pẹlu ASME Boiler ati titẹ Vessel Code, Abala IX.
Gbogbo awọn kilasi miiran ju 10, 11, 12 ati 13 yoo jẹ itọju ooru ni ileru ti a ṣakoso si ± 15 ℃ ati ni ipese pẹlu hydrometer gbigbasilẹ ki awọn igbasilẹ alapapo wa.
Ṣe iṣelọpọ:Alurinmorin Arc (LSAW).
Iwọn:OD: 406 ~ 1422mm WT: 8 ~ 60mm.
Ipele:B60, C60, C65, ati bẹbẹ lọ.
Gigun:3-12M tabi pato ipari bi beere.
O pari:Ipari pẹtẹlẹ, Ipari Ipari, Grooved.
| Awọn ibeere Kemikali fun ASTM A672 B60/B70/C60/C65/C70 LSAW Erogba Irin Pipe | ||||||||||||
| Paipu | Ipele | Àkópọ̀,% | ||||||||||
| C o pọju | Mn | P o pọju | S o pọju | Si | Awọn miiran | |||||||
| <=1in (25mm) | > 1 ~ 2in (25-50mm) | > 2 ~ 4ni (50-100mm) | >4~8in (100-200mm) | > 8ni (200mm) | <=1/2in (12.5mm) | > 1/2in (12.5mm) | ||||||
| 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98 ti o pọju | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98 ti o pọju | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30 ti o pọju | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| C | 55 | 0.18 | 0.20 | 0.22 | 0.24 | 0.26 | 0.55–0.98 | 0.55–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... |
| 60 | 0.21 | 0.23 | 0.25 | 0.27 | 0.27 | 0.55–0.98 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
| 65 | 0.24 | 0.26 | 0.28 | 0.29 | 0.29 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
| 70 | 0.27 | 0.28 | 0.30 | 0.31 | 0.31 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
| Darí Properties | |||||||
| Ipele | |||||||
|
| B60 | B65 | B70 | C55 | C60 | C65 | C70 |
| Agbara fifẹ, min: | |||||||
| ksi | 60 | 65 | 70 | 55 | 60 | 65 | 70 |
| Mpa | 415 | 450 | 485 | 380 | 415 | 450 | 485 |
| Agbara ikore, min: | |||||||
| ksi | 32 | 35 | 38 | 30 | 32 | 35 | 38 |
| MPa | 220 | 240 | 260 | 205 | 220 | 240 | 260 |
| Awọn ibeere Ilọsiwaju: Gẹgẹbi boṣewa | |||||||
1. Ita Diamita-Da lori wiwọn iyipo ± 0.5% ti iwọn ila opin ita ti a ti sọ tẹlẹ.
2. Jade-ti-Iyika-Iyatọ laarin pataki ati kekere ita awọn iwọn ila opin.
3. Iṣatunṣe-Lilo 10 ft (3m) titọ ti o tọ ti a gbe ki awọn opin mejeji wa ni olubasọrọ pẹlu paipu, 1/8 in. (3mm).
4. Sisanra-Iwọn ogiri ti o kere ju ni aaye eyikeyi ninu paipu ko ni ju 0.01 in.
5. Awọn ipari pẹlu awọn opin ti ko ni ẹrọ yoo wa laarin -0 + 1 / 2 in. (-0 + 13mm) ti pato.Awọn ipari pẹlu awọn opin ẹrọ yoo jẹ bi adehun laarin olupese ati olura.
Idanwo ẹdọfu-Iyipada awọn ohun-ini fifẹ ti isẹpo welded yoo pade awọn ibeere ti o kere ju fun agbara fifẹ ipari ti ohun elo awo ti a ti sọ.
Transverse-guided-weld-bent tests—Adánwò tẹ̀ yóò jẹ́ ìtẹ́wọ́gbà tí kò bá sí wóró tàbí àbùkù mìíràn tí ó kọjá 1/8 in
Idanwo-aworan Redio-Ipari kikun ti weld kọọkan ti kilasi X1 ati X2 ni a gbọdọ ṣe ayẹwo redio ni ibamu pẹlu ati pade awọn ibeere ti ASME Boiler ati Code Vessel Titẹ, Abala meje, paragirafi UW-51.
Paipu ti o pari ko ni ni abawọn ti o ni ipalara ati pe yoo ni ipari iṣẹ-ṣiṣe.
A. Olupese ká orukọ tabi ami.
B. Nọmba pato (ọjọ-ọdun tabi beere).
C. Iwọn (OD, WT, ipari).
D. Ite(A tabi B).
E. Iru paipu (F, E, tabi S).
F. Idanwo titẹ (paipu irin alailẹgbẹ nikan).
G. Nọmba Ooru.
H. Eyikeyi afikun alaye pato ninu awọn rira ibere.
● paipu igboro tabi Black / Varnish ti a bo / Epoxy cover / 3PE (ni ibamu si awọn ibeere onibara);
● 6"ati ni isalẹ ni awọn idii pẹlu awọn slings owu meji;
● Awọn mejeeji pari pẹlu awọn oluṣọ opin;
● Ipari pẹtẹlẹ, ipari bevel (2"ati loke pẹlu awọn opin bevel, iwọn: 30 ~ 35 °), asapo ati sisọpọ;
● Ṣiṣamisi.
