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NV 4-4L Material Datasheet

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Material Description

Material Number Standard Scope Standard Status Country Application temperature [°C]
NV 4-4L (DNV-RU-SHIP-Pt2Ch2 : 2022-07) DNV-RU-SHIP-Pt2Ch2 : 2022-07 Supersedes DNVGL-RU-SHIP-Pt2Ch2 : 2019-07 Valid International ≥ -55 1)
1) Remark: Hot-rolled carbon-manganese steel intended for use at low temperatures, e.g. for the fabrication of cargo tanks and process pressure vessels for carrying liquefied gases for shipbuilding.

Chemical Composition

Al [%] C [%] Cr [%] Cu [%] Mn [%] Mo [%] N [%] Nb [%] Ni [%] P [%] S [%] Si [%] V [%] Cr+Cu+Mo [%]
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength [MPa] Elongation A [%]
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Welding and Joining

Welding and Joining - Evaluation
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Toughness Data (Impact)

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Cross Reference

Material Name Country Standard
VL 4-4L International DNV GL

Producer/Supplier/Trade names

Tradename Supplier
NV 4-4L Outokumpu Deutschland GmbH, Düsseldorf
NV 4-4L Salzgitter Flachstahl GmbH, Salzgitter
NV 4-4L SSAB EMEA AB, Oxelösund
NV 4-4L ThyssenKrupp Steel Europe AG, Duisburg