1. Polish virga est genus speciale potatoris virga connexum cum virga potator et assecula trabs.Est in summitate virgae potatoris, opus fortissimae virium ferre, sic cum diametro superiore et gradu ferro superiore quam virga potator, et superficies est levissima.
2.Main munus:
Composita cum sarcinis in cistae sarcinae ad signandum puteum et ne oleum gas、 aqua aperiendum.
Interim connector inter potator et mulus caput assecula
Indicator conficiendi tabulam test.
Perficere varias operationes wellhead, ut sentinam percutientem, regulantem sentinam occasum.
Nomen valorem | Corpus diametri D | Longitudo Lmm士 50mm Lft 2in) | Post nominatim diametri mm(in) | mm (in, stamina humero exterioris diametri | Idoneam potator mole mm (in) |
29 | 28. 6 (11/8). | 2438, 3353, 4877, 6707, 7315, 7925; | 24 15/16) PR | 一 | XVI (5/8); |
27 1 1/16) PR | 一 | 19 (3/4) | |||
29 | 28. 6 (11/8)rod-turbatus in extremo fine | 2438 , 3353 , 4877 , 6707 , 7315 , 7925 ( 8. 11 , 16 . 22 , 24 , 26 ; | 24 (15/16) SR | 31.8+0.127-0.254 (1.250+0.005-0.010) | XVI (5/8); |
27 (1 1/16) SR | 38.1+0.127-0.254 (1.500+0.005-0.010) | 19 (3/4) | |||
32 | 31.8(1 1/4) | 3353, 4877,, 6707,7315, 7925, 9144, 10973 | 30 (1 3/16) PR | 一 | 22(7/8); |
32 | 31.8(1 I / 4) | 3353, 4877,, 6707,7315, 7925, 9144, 10973 | 30 (1 3/16) SR | 41.3+0.127-0.254 (1.625+0.005-0.010) | 22(7/8); |
38 | 38. 1 (1 1/2). | 4877, 6707,7315, 7925. 9144. 10973 . | 35(1 3/8)PR | 一 | 25(1) |
38 | 38. 1 (I I / 2) virga-percussa in uno fine | 4877, 6707,7315, 7925. 9144. 10973 . | 40(1 9/16)SR | 57.2+0.381-0.381 (2.250+0.015-0.015) | 29(1 1/8); |
Mechanica Property ferro politum Rod
GRADUS | Minimum cede virtus (0.2% RELICTUM Deformatio | Minimum tensile virtus | Maxime tensile virtus | Elongation200mm% | Reductio Area Z% | HRC | HB | lassitudo vitae | |||
| psi | MPa | psi | MPa | psi | MPa | ≥13 | ≥50 | / | / | ≥1.0X106 |
C | 60000 | 414 | 90000 | 621 | 115000 | 793 | ≥13 | ≥50 | / | / | / |
D | 85000 | 586 | 115000 | 793 | 140000 | 965 | ≥13 | ≥50 | / | / | / |
KD | 85000 | 590 | 115000 | 795 | 140000 | 965 | ≥13 | ≥50 | / | / | / |
H | 115000 | 795 | 140000 | 965 | 173339 | 1195 | ≥13 | ≥45 | / | / | / |
EHL | / | / | 188500 | 1300 | 217500 | 1500 | / | / | ≥50 | ≥320 | ≥2.5X106 |
Nota: Cum minimae vires cedere metiri non possunt, considerari debet in regulam regulam procedendam et extensometer ad mensurandum instituendam. | |||||||||||
A plerumque fit magna qualitas chalybis carbonis, quod attingere potest ad proprietates mechanicas mensae |
De compositione chemica communiter potator Rod
AISI | C | Si | Mn | P | S | Cr | Ni | Mo | V | Cu | Al |
4130 | 0.26-0.33 | 0.17-0.37 | 0.4-0.7 | ≤0.025 | ≤0.025 | 0.8-1.1 | ≤0.3 | 0.15-0.25 | / | ≤0.2 | / |
4140 | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤0.025 | ≤0.025 | 0.9-1.2 | ≤0.3 | 0.15-0.25 | 0.04-0.09 | ≤0.2 | / |
4142 | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤0.025 | ≤0.025 | 0.9-1.2 | ≤0.3 | 0.15-0.25 | 0.04-0.09 | ≤0.2 | / |
4330 | 0.3-0.35 | 0.15-0.35 | 0.8-1.1 | ≤0.025 | ≤0.025 | 0.8-1.1 | 1.65-2.0 | 0.2-0.3 | 0.05-0.10 | ≤0.2 | / |
4720 | 0.19-0.23 | 0.15-0.35 | 0.85-1.05 | ≤0.025 | ≤0.025 | 0.8-1.05 | 0.9-1.2 | 0.22-0.30 | 0.02-0.05 | 0.40-0.60 |
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