Grade : |
13CrMo4-5 |
Number: |
1.7335 |
Classification: |
Alloy special steel |
Density: |
7.85 g/cm ³ |
Standard: |
EN 10028-2: 2009 Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties |
EN 10222-2: 2000 Steel forgings for pressure purposes. Ferritic and martensitic steels with specified elevated temperature properties |
EN 10216-2: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties |
EN 10253-2: 2007 Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements |
EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties |
|
Chemical composition % of grade 13CrMo4-5 (1.7335): EN 10028-2-2003
According EN 10216-2 chemical composition: 0.1 < C < 0.17; 0.4 < Mn < 0.7; |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
N |
Cu |
0.08 – 0.18 |
max 0.35 |
0.4 – 1 |
max 0.025 |
max 0.01 |
0.7 – 1.15 |
0.4 – 0.6 |
max 0.012 |
max 0.3 |
Mechanical properties of grade 13CrMo4-5 (1.7335)
Nominal thickness (mm): |
to 60 |
60 – 100 |
100 – 150 |
150 – 250 |
Rm – Tensile strength (MPa) |
450-600 |
440-590 |
430-580 |
420-570 |
Nominal thickness (mm): |
to 16 |
16 – 60 |
60 – 100 |
100 – 150 |
150 – 250 |
ReH – Minimum yield strength (MPa) |
290-300 |
290 |
270 |
255 |
245 |
KV – Impact energy (J) transverse, |
+20°
27 |
KV – Impact energy (J) longitud., |
+20°
40-44 |
A – Min. elongation at fracture (%) |
19-22 |