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GS-21Mn5 P;GS-21Mn5 PG | 1.1138 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification Application temperature [°C]
1.1138 (VdTÜV WB 476 : 2019-11) GS-21Mn5 P;GS-21Mn5 PG 1.1138 VdTÜV WB 476 : 2019-11 Supersedes VdTÜV WB 476 : 2001-06 Valid Germany GS-21 Mn 5 P;GS-21 Mn 5 PG 1.1.1 -50 - 50 1)
1) Remark: Low-temperature cast steel for pressure vessels acc. to AD 2000 A4, W5 and W10 from -50 °C to 50 °C, for pressure vessels acc. to guideline 2014/68/EU as well as for nuclear engineering.

Chemical Composition

C [%] Cr [%] Mn [%] P [%] S [%] Si [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Reduction of Area [%]
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Toughness Data (Impact)

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Shape Notch Impact Energy [J]
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Welding and Joining

Procedure Welding and Joining - Evaluation
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Heat Treatment

Heat Treatment Step Temperature [°C] Holding Time [h] Medium
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Cross Reference

Material Name Country Standard
1.1138 Germany VdTUEV 476
GS-21 Mn 5 Germany

Producer/Supplier/Trade names

Tradename Supplier
GS-21 Mn 5 / 1.1138 Lucchini RS S.p.a., Lovere (BG)
GS-21 Mn 5 P Pleissner Guss GmbH, Herzberg am Harz