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EN 10327

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Definition

This European Standard specifies requirements for continuously hot-dip coated strip and sheet made of low carbon steels for cold-forming coated with zinc (Z), zinc-iron alloy (ZF), zinc-aluminum alloy (ZA), aluminum-zinc alloy (AZ), and aluminum-silicon alloy (AS) with thicknesses of 0,35 mm to 3,0 mm unless otherwise agreed. The thickness is the final thickness of the delivered product after coating.

Classification

They are classified in accordance with their increasing suitability for cold forming as follows:

DX51D: bending and profiling quality;

DX52D: drawing quality;

DX53D: deep drawing quality; DX54D:

special deep drawing quality;

DX55D: special deep drawing quality, (only +AS), heat resistance up to 800 °C;

DX56D: extra deep drawing quality;

DX57D: super deep drawing quality

EN 10327 Equivalent

Standard: AISI, ASTM, BS, DIN, GB, JIS, etc

ASTM A653M SS GRADE 340,

ASTM A653M SS GRADE 255

ASTM A653M CS TYPE A,

ASTM A653M CS TYPE B

AS 1397 G450

JIS G3302 SGCC,

EN 10327-DX51D, DX53D, DX54D, DX51D+Z,

EN 10326-S250GD

Steel grade and mechanism property

DesignationChemical composition
% by mass
Yield strength
R a
MPa *
Tensile strength
Rm
MPa *
Elongation
A80 b
%
min.
Plastic strain ratio
r90
min.
Strain hardening exponent
n90
min.
Steel gradeSymbols for the types of hot-dip coatingCSiMnPSTi
DX51D1.0226+Z,+ZF,+ZA,+AZ,+AS0.120.50.60.10.0450.3-270 to 50022--
DX52D1.035+Z,+ZF,+ZA,+AZ,+AS140 to 300 c270 to 42026--
DX53D1.0355+Z,+ZF,+ZA,+AZ,+AS140 to 260270 to 38030--
DX54D1.0306+Z,+ZA120 to 220260 to 350361,60,18
DX54D1.0306+ZF120 to 220260 to 350341,40,18
DX54D1.0306+AZ120 to 220260 to 35036--
DX54D1.0306+AS120 to 220260 to 350341,4 d,e0,18 e
DX55D1.0309+AS140 to 240270 to 37030--
DX56D 1.0322+Z,+ZA120 to 180260 to 350391,9 d0,21
DX56D1.0322+ZF120 to 180260 to 350371,7 d,e0,20 e
DX56D1.0322+AS120 to 180260 to 350391,7 d,e0,20 e
DX57D1.0853+Z, +ZA120 to 170260 to 350412,1 d0,22
DX57D1.0853+ZF120 to 170260 to 350391,9 d,e0,21 e
DX57D1.0853+AS120 to 170260 to 350411,9 d,e0,21 e
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