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DNV 3.2 TEST S355 JOWP Flanges
After the perfect delivery of the DNV 3.2 test S355 JOWP pipe order, the customer gave the order of flange. Raw materials and steel pipe orders are the same S355 JOWP ( corten A).
DNV 3.2 Test Result :
Chemical composition of the product analysis:
| C | Mn | Si | S | P | Ni | Cr | Cu | Al | Fe |
| 0.069 | 0.39 | 0.31 | 0.060 | 0.004 | 0.13 | 0.40 | 0.28 | 0.017 | Base |
| 0.078 | 0.45 | 0.35 | 0.074 | 0.003 | 0.019 | 0.36 | 0.28 | 0.030 | Base |
Mechanical test:
| Yield Strength(Mpa) | Tensile Strength(Mpa) | Elongation(%) |
| 404 | 542 | 25 |
| 436 | 534 | 28.5 |
Charpy impact test(Test temperature 0 ℃):
| Specimen Dimension(mm) | Specimen 1 | Specimen 2 | Specimen 3 | Average |
| 10*10*55 | 108 | 23 | 153 | 95 |
| 5*10*55 | 70 | 79 | 80 | 76 |
Stain aging test :
Charpy impact test on φ325*8mm pipe after strain aging at 250℃ ℃ for one hour according
to DNVGL-RU-SHIP-Pt2Ch1 section 3.8(Stain Aging Batch No.: RK210408016-1)
(Test temperature 0 ℃):
| Specimen Dimension(mm) | Specimen 1 | Specimen 2 | Specimen 3 | Average |
| 5*10*55 | 73 | 65 | 65 | 68 |
Finished prodcut pictures :
DNV 3.2 TEST S355 JOWP Flanges
DNV GL CERT :
DVN 3.2 Test
If you have any orders for FPSO vessels, please contact us.Email:sales@haihaogroup.com