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EN
X20Cr13
DIN
X20Cr13
SAE / AISI / ASTM
420
BS
420S29
AFNOR
Equivalent Steel Grades
Material No
1.4021
Chemical Composition (%)
EN 10088-3: 2005
C
Si
Mn
P
S
Cr
Ni
Mo
N
Pb
Min
0.16
12.00
Max
0.25
1.00
1.50
0.040
0.030
14.00
0.35
265
63 < t ≤ 100
350
40 < t ≤ 63
390
16 < t ≤ 40
430
10 < t ≤ 16
450
5 < t ≤ 10
Min
Thickness (mm)
Diameter (mm)
YIELD STRENGTH (Re) (N/mm² = MPa)
Condition of the Sample: +C
Mechanical Properties
650
440
63 < t ≤ 100
680
460
40 < t ≤ 63
770
470
16 < t ≤ 40
800
500
10 < t ≤ 16
840
560
5 < t ≤ 10
Max
Min
Thickness (mm)
Diameter (mm)
TENSILE STRENGTH (Rm) (N/mm² = MPa)
Min
Thickness (mm)
Diameter (mm)
ELONGATION (%)
6
5 < t ≤ 10
7
10 < t ≤ 16
8
16 < t ≤ 40
9
40 < t ≤ 63
10
63 < t ≤ 100
HARDNESS (HB)
+AR
+N
+A
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