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Steel grades

Application: Line pipe for oil and other combustible liquids, natural gas and other gaseous media
Standard: DNV OS-F101
Designation of material: HFW 320M (+suffix)
General
Material number: -
Former designation: -
Mechanical properties
Yield strength Rp0,5 MPa (in PSI): Min: 320 (46 400)** Max: 520 (75 400)**
Tensile strength Rm MPa (in PSI): Min: 435 (63 100)** Max: 760 (110 200)**
Elongation (% min.): transverse: ** longitudinal: **
Impact strength:
Test temperature in °C:
Min. average impact energy in J:
*
transverse: 32
 
longitudinal: **
Hardness (max. HRC): -
Chemical composition
Content in mass-%:
Quality: Min: Max:
C: - 0.12**
Si: - 0.45
Mn: - 1.35**
P: - 0.02
S: - 0.01
Nb: - 0.04
V: - 0.05
Al total: - -
Ti: - 0.04
Cr: - 0.3
Ni: - 0.3
Mo: - 0.1
Cu: - 0.35
N: - -
CEV max in %: 0.2
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