Grade GP280GH
European Standard Steel Grade 1.0625
Corresponding Standard EN 10213-2007(+A1:2016)
Steel Castings for Pressure Purposes
Classification Cast Steel
GP280GH Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo V
Minimum Value 0.18 - 0.8 - - - - - - -
Maximum Value 0.25 0.6 1.2 0.03 0.02 0.3 0.4 0.3 0.12 0.03
GP280GH Mechanical Properties
thickness
t
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Impact Energy Absorption
KV2
J
t ≤ 100 Normalizing (N)① 480~640 ≥280 A: ≥22 ≥27
t ≤ 100 Quenching + tempering (QT)② 480~640 ≥280 A: ≥22 ≥35
Approximate Comparison Table Steel castings for pressure purposes
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia Sweden United Kingdom
GB CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS14 BS EN/BS
ZG280-520 SCPH2 SCPH2 SCPH2 WCB J03101 G280 GS-20Mn5 1.1120 A480CP-M ≈20ГСЛ 1305 GP280GH
GP280GH Corresponding Standards(Same grade name, different standards)

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