HFW 320N (+suffix)

Technology:
HFI-welded steel pipes
Spiral-weld large-diameter pipes
Standard:
DNV-ST-F101

General

Material number (EN 10027-2)-
Previous steel designation-

Mechanical Properties

Yield strength
Rp0.2 / Rt0.5 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: *
Transverse: 32Longitudinal: **
Hardness
(max. HRC)
-

Chemical composition

Mass fractions in %MinMax
C-0.14**
Si-0.4
Mn-1.4**
P-0.02
S-0.01
B--
Nb-0.05**
V-0.05**
Alges--
Ti-0.04**
Cr-0.3
Ni-0.3
Mo-0.1
Cu-0.35
N--
Maximum CEV value (%): 0.38

This information is supplied without liability.

* negotiable or negotiable under further restrictions

** further restrictions are specified or value applies only for specific pipe size