$733≥1Ton
| Tipo di pagamento: | L/C,T/T,Paypal |
| Incoterm: | FOB,CFR,CIF,EXW,DDP,DDU |
| Quantità di ordine minimo: | 1 Ton |
| Trasporti: | Ocean,Land,Air |
| Porta: | TIANJIN,SHANGHAI,QINGDAO |
Ombra:
| Unità vendibili | : | Ton |
| Scaricare | : |
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A691 tubo in acciaio in carbonio e lega, saltato per la fusione elettrica per Servizio ad alta pressione ad alte temperature
| Plate Materials | ||||
| Pipe Grade | Type of Steel | ASTM Specification | HB, max A | |
| Number | Grade | |||
| CM-65 | carbon-molybdenum steel | A204/A204M | A | 201 |
| CM-70 | carbon-molybdenum steel | A204/A204M | B | 201 |
| CM-75 | carbon-molybdenum steel | A204/A204M | C | 201 |
| CMSH-70 | carbon-manganese-silicon steel, normalized | A537/A537M | 1 | |
| CMS-75 | carbon-manganese-silicon steel | A299/A299M | . . . | . . . |
| CMSH-80 | carbon-manganese-silicon steel, quenched and tempered | A537/A537M | 2 | |
| 1 ⁄ 2 CR | 1 ⁄ 2 % chromium, 1 ⁄ 2 % molybdenum steel | A387/A387M | 2 | 201 |
| 1CR | 1 % chromium,1 ⁄ 2 % molybdenum steel | A387/A387M | 12 | 201 |
| 1 1 ⁄ 4 CR | 1 1 ⁄ 4 % chromium,1 ⁄ 2 % molybdenum steel | A387/A387M | 11 | 201 |
| 2 1 ⁄ 4 CR | 2 1 ⁄ 4 % chromium, 1 % molybdenum steel | A387/A387M | 22 | 201 |
| 3CR | 3 % chromium, 1 % molybdenum steel | A387/A387M | 21 | 201 |
| 5CR | 5 % chromium,1 ⁄ 2 % molybdenum steel | A387/A387M | 5 | 225 |
| 9CR | 9 % chromium, 1 % molybdenum steel | A387/A387M | 9 | 241 |
| 91 | 9 % chromium, 1 % molybdenum, vanadium, niobium C | A387/A387M | 91 B | 241 |
| Class designations are as follows | |||
| Class | Heat Treatment on Pipe | Radiography, see Section |
Pressure Test, see Section |
| 10 | none | none | none |
| 11 | none | 9 | none |
| 12 | none | 9 | 8.3 |
| 13 | none | none | 8.3 |
| 20 | stress relieved, see 5.3.1 | none | none |
| 21 | stress relieved, see 5.3.1 | 9 | none |
| 22 | stress relieved, see 5.3.1 | 9 | 8.3 |
| 23 | stress relieved, see 5.3.1 | none | 8.3 |
| 30 | normalized, see 5.3.2 | none | none |
| 31 | normalized, see 5.3.2 | 9 | none |
| 32 | normalized, see 5.3.2 | 9 | 8.3 |
| 33 | normalized, see 5.3.2 | none | 8.3 |
| 40 | normalized and tempered, see 5.3.3 | none | none |
| 41 | normalized and tempered, see 5.3.3 | 9 | none |
| 42 | normalized and tempered, see 5.3.3 | 9 | 8.3 |
| 43 | normalized and tempered, see 5.3.3 | none | 8.3 |
| 50 | quenched and tempered, see 5.3.4 | none | none |
| 51 | quenched and tempered, see 5.3.4 | 9 | none |
| 52 | quenched and tempered, see 5.3.4 | 9 | 8.3 |
| 53 | quenched and tempered, see 5.3.4 | none | 8.3 |
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