Corten A flange with DNV 3.2 test
Client give one more flange order about material S355 JOWP.After the perfect delivery of the steel 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 | P | S | Ni | Cr | Cu | Al | Fe |
0.08 | 0.48 | 0.34 | 0.062 | 0.005 | 0.13 | 0.38 | 0.27 | 0.021 | Base |
Mechanical test:
Yield Strength Reh(Mpa) | Tensile Strength Rm(Mpa) | Elongation A(%) |
436 | 533 | 36 |
Charpy impact test(Test temperature 0 ℃):
Test Temperature | Specimen Dimension | Specimen 1 | Specimen 2 | Specimen 3 | Average |
0 ℃ | 10*10*55mm | 237J | 258J | 239J | 245J |
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 ℃):
Test Temperature | Specimen Dimension | Specimen 1 | Specimen 2 | Specimen 3 | Average |
0 ℃ | 10*10*55mm | 132J | 141J | 137J | 137J |
DNV GL CERT :
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