S550QH

Technology:
HFI-welded steel pipes
HFI-welded steel pipes with subsequent hot profiling
Spiral-weld large-diameter pipes
Standard:
EN 10210-3

General

Material number (EN 10027-2)1.8604
Previous steel designation-

Mechanical Properties

Yield strength
Rp0.2 / Rt0.5 MPa (~ in PSI)		Min: 550 (79 800)**Max: -
Tensile strength
Rm MPa (~ in PSI)		Min: 640 (92 800)**Max: 820 (118 900)**
Elongation
(% min.)		Transverse: 14Longitudinal: 16
Impact strength
Test temperature: -20		Transverse: 27Longitudinal: 30
Hardness
(max. HRC)		-

Chemical composition

Mass fractions in %MinMax
C-0.25
Si-0.8
Mn-1.7
P-0.025
S-0.015
B-0.005
Nb-0.06**
V-0.16**
Alges0.015**-
Ti-0.05**
Cr-1.50**
Ni-2
Mo-0.7
Cu-0.5
N-0.02
Maximum CEV value (%): 0.65

This information is supplied without liability.

* negotiable or negotiable under further restrictions

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