Seamless pipe in nuclear power
Seamless pipe in nuclear power
Usage
Applied for pipe and transfer piping of all kinds of vapour generator, feul subassembly, in-pipe part and actuating mechanism etc, in nuclear reactor.
Standard
GB13296;GB/T14976;RCCM M4105;NB/T20008.7-2011;ASME SB163;agreement protocol etc
Specification
OD：8~325mm；WT：0.5~40mm
Chemical composition and performance of main steel grade
ASTM SB163 and additional technical requirements
Photos of Seamless pipe in nuclear power
Usage
Applied for pipe and transfer piping of all kinds of vapour generator, feul subassembly, in-pipe part and actuating mechanism etc, in nuclear reactor.
Standard
GB13296;GB/T14976;RCCM M4105;NB/T20008.7-2011;ASME SB163;agreement protocol etc
Specification
OD：8~325mm；WT：0.5~40mm
Chemical composition and performance of main steel grade
| Steel Grade | chemical composition | |||||||||||
| Ni | Cr | Fe | Mn | C | Si | S | P | Al | Ti | Cu | others | |
| WT% | ||||||||||||
|
0Cr18Ni9 (06Cr19Ni10) |
8.0- 11.0 |
17.0- 19.0 |
bal | ≤2.0 | ≤0.07 | ≤1.00 | ≤0.030 | ≤0.035 | - | - | - | - |
|
00Cr19Ni10 (022Cr19Ni10) |
8.0- 12.0 |
18.0- 20.0 |
bal | ≤2.0 | ≤0.030 | ≤1.00 | ≤0.030 | ≤0.035 | - | - | - | - |
|
0Cr17Ni12Mo2 (06Cr17Ni12Mo2) |
11.0- 14.0 |
16.0- 18.5 |
bal | ≤2.0 | ≤0.08 | ≤1.00 | ≤0.030 | ≤0.035 | - | - | - | - |
|
00Cr17Ni14Mo2 (022Cr17Ni12Mo2) |
12.0- 15.0 |
16.0- 18.0 |
bal | ≤2.0 | ≤0.03 | ≤1.00 | ≤0.030 | ≤0.035 | - | - | - | - |
| 00Cr25Ni35AlTi |
34.0- 37.0 |
24.0- 26.5 |
bal |
0.5- 1.5 |
≤0.030 |
0.30- 0.70 |
≤0.015 | ≤0.015 | 0.15- 0.45 |
0.15- 0.60 |
≤0.50 |
Co≤0.05 N≤0.03 |
| UNS N08800 |
30.0- 35.0 |
19.0- 23.0 |
≥39.5 | ≤1.5 | ≤0.10 | ≤1.00 | ≤0.015 | - | 0.15- 0.60 |
0.15- 0.60 |
≤0.75 | - |
| UNS N06600 | ≥72.0 |
14.0- 17.0 |
6.0- 10.0 |
≤1.0 | ≤0.15 | ≤0.50 | ≤0.015 | - | - | - | ≤0.5 | - |
|
690 (NC30Fe) |
≥58.0 |
28.0- 31.0 |
8.0- 11.0 |
≤0.5 |
0.01- 0.03 |
≤0.50 | ≤0.010 | ≤0.015 | ≤0.50 | ≤0.50 | ≤0.50 |
Co≤0.018 Nb≤0.10 B≤0.003 N≤0.05 |
|
690 (NS3105) |
≥58.0 |
28.0- 31.0 |
8.0- 11.0 |
≤0.5 |
0.010- 0.03 |
≤0.50 | ≤0.010 | ≤0.015 | ≤0.50 | ≤0.05 | ≤0.05 |
Nb≤0.10 B≤0.003 Co≤0.018 N≤0.05 |
| ASME SB163 and additional technical requirements | ≥58.0 |
28.5- 31.0 |
9.0- 11.0 |
≤0.5 |
0.015- 0.02 |
≤0.50 | ≤0.010 | ≤0.015 | ≤0.40 | ≤0.35 | ≤0.05 |
Nb≤0.10 B≤0.002 Co≤0.016 N≤0.05 Mo≤0.2 |
ASTM SB163 and additional technical requirements
| Standard |
690(NC30Fe) RCCM M4105 |
690(NS3105) NB/T 20008.7-2001 |
ASME SB163 and additional technical requirements | |
| Grain size | 5-9 | 5-9，Level 3 | Less than ASTM5, not exceed two ASTM units | |
| Room temperature tensile | Rm MPa | ≥630 | ≥630 | >585 |
| Rp0.2 MPa | 275-375 | 275-375 | 275-380 | |
| A% | ≥30 | ≥30 | ≥30 | |
| 350℃ tensile | Rm MPa | ≥533 | ≥533 | ≥550 |
| Rp0.2 MPa | ≥215 | ≥215 | >215 | |
| Hardness | ≤92 | ≤92 | - | |
| flare | - | 60°30% | 60°30% | |
| Dimension tolerance | OD mm | 19.05+/-0.05 | 19.05+/-0.05 | 17.48+/-0.05 |
| WT mm | 1.09+/-0.10 | 1.09+/-0.10 | 1.01+/-0.09 | |
| L m | 19-25 | 19-25 | 19-29 | |
| U-bend tube ovality | 1-3row<5% | 1-3row≤5% | 1-5row<2.8% | |
| 4-6row<4% | 4-6row≤4% | 6-15row<2.6% | ||
| 7-53row<3% | 7-53row≤3% | 16-164row<1.6% | ||
| Noise level | >7single point | ≥7single point | ≥20 | |
| Hydrostatic | Demineralized water grade B | Demineralized water grade B | Demineralized water grade A | |
| Surface roughness |
Inner surface Ra<0.8 Outer surface Ra<1.2 |
Inner surface Ra≤0.8 Outer surface Ra≤1.2 |
Inner surface Ra<0.5 Outer surface Ra<1.0 |
|
| Intergranular corrosion | - | - | ≤20mdd | |
Photos of Seamless pipe in nuclear power
