The flow stress behavior of X70 HD steel was investigated under different temperatures( 820 ℃ to 1100 ℃) and strain rates( 0. 01 s- 1to 50 s- 1) on a Gleeble-3500 thermo-simulation machine and the parameters of the model were identified by inverse analysis of the experimental stress-strain curves obtained from the hot compressive deformation. Static recrystallization behavior of X70HD pipeline steel was studied on a Gleeble-3500 thermal simulator by double pass hot compression under different deformation conditions.
 

X70HD steel chemical compositions (mass fraction,%)
 

Grade	C	Si	Mn	P	S	Ni	Cr	Cu	V	Mo	Ti	N	B
X70HD	0.052	0.2	1.63	0.009	0.0012	0.19	0.2	0.16	0.002	0.012	0.013	0.004	0.0002

The influence of different deformation parameters on the static recrystallization behavior of the X70HD steel was investigated by experiment. The static recrystallization activation energy was obtained and the static recrystallization kinetics model was also established according to the experimental results. The results show that the parameters of deformation rate, deformation amount and deformation temperature have large influence on static recrystallization of the X70HD pipeline steel with high deformability. However, the influence of initial austenitic grain size is not obvious. The softening degree increases when the time interval of the double pass hot compression increases, and the static recrystallization fraction increases.
 

X70HD Pipepline Steel Plate Production Specification:

Steel Standard: X70HD
Thickness: 10mm to 27 mm
Width: from 1.6m wide to3.8m
Length: Up to 18 m

X70HD Pipeline Steel Plate Main Applications:
 

Pipeline steel was mainly used to the transferring of oil and natural gas, product oil, urban pipe coal gas coal water slurry, chemical; Engineering and construction, especially the medium of oil and natural gas transferring and urban pipe coal gas was inflammable; Pipeline was used in certain corrosive condition, for example, marine line must resist the corrosion of seawater.
 

Katalor Enterprises, as a X70HD pipeline steel plate supplier in China , we can supply X70HD pipeline steel plate stock and we also can provide X70HD pipeline steel plate machining service . So if you need X70HD pipeline steel plate price , you can contact katalor !