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DNV 3.2 TEST S355 JOWP PIPE
Recently,I received a inquiry form singapore shipyard ,in the inquiry , the material is CORTEN A (S355 JOWP ) , The product is steel pipe in standard ASME B36.10 . Today we learn about the material Corten A ( S355 JOWP ).
Corten A Weathering Steel ASTM Corten A steel grade is a hot rolled products of structural steels in technical delivery conditions with improved atmospheric corrosion resistance.The steel grade CortenA is according to ASTM standard which with the yield strength of 355MPa and the tensile strength of 470-630MPa.Corten-A steel was first used in buildings in 1958 because it has anti-corrosion properties. Then Corten-A especially in China and Japan was widely used for bridges, trains, cars, trucks and industrial facilities and so on. The top layer of the material reacts with atmospheric elements to form a rust coloured protective layer which not only makes the steel virtually maintenance free but also provides a pleasing and consistent finish.
Chemical Components:
| Grade | C | Si | Mn | P | S | Cu | Ni | Cr | V |
| Corten-A | 0.12 | 0.25-0.75 | 0.20-0.50 | 0.07-0.15 | 0.03 | 0.25-0.55 | 0.65 | 0.50-1.25 | |
| Corten-B | 0.16 | 0.30-0.50 | 0.80-1.25 | 0.03 | 0.03 | 0.25-0.40 | 0.4 | 0.40-0.65 | 0.02-0.10 |
Corten-A Mechanical Properties:
| Grade | Thickness(mm) Strip Products |
Plate Products | Yield Strength Rel N/mm² Minimum |
Tensile Strength Rm N/mm² Minimum |
Elongation A50 % Minimum |
| Corten-A | 2-12 | 6-12 | 345 | 485 | 20 |
DNV 3.2 Test result:
DNV 3.2 Test Result
Finished prodcut pictures:
DNV 3.2 TEST S355 JOWP PIPES
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