Grade X2CrMnNiMoN21-5-3
European Standard Steel Grade 1.4482
Corresponding Standard EN 10272-2016
Stainless steel bars for pressure purposes
Classification Duplex Stainless Steel
X2CrMnNiMoN21-5-3 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - 4 - - 19.5 1.5 - 0.1 0.05
Maximum Value 0.03 1 6 0.035 0.03 21.5 3.5 1 0.6 0.2
① Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate precautions shall be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.
X2CrMnNiMoN21-5-3 Mechanical Properties
Diameter or thickness
d or b
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
≤160 固溶 650~900 ≥400 l: ≥25 ≤290 (at 20℃):l ≥100
(at -40℃):l ≥60
a) Axial: l;Tangential:tr.
① The solution treatment may be omitted if the conditions for hot working and subsequent cooling are such that the requirements for the mechanical properties of the product and the resistance to intergranular corrosion as defined in EN ISO 3651-2 are obtained.
② The tensile strength value may be raised by 200 MPa and the minimum elongation value be lowered to 20 % for bars having a final cold defonnation.
Approximate Comparison Table Austenitic-Ferritic Stainless Steel
International Organization for Standardization European Standard
ISO Numerical Grade Numerical Grade
X2CrMnNiMoN21-5-3 4482-320-01-X 1.4482
X2CrMnNiMoN21-5-3 Corresponding Standards(Same grade name, different standards)

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