Steel Grade(L80)
|
C %
|
Si %Max
|
Mn %
|
P %Max
|
S %Max
|
Cr %
|
Ni %
|
Mo %
|
Cu %Max
|
13cr
|
0.15-0.22
|
1
|
0.15-1.00
|
0.02
|
0.01
|
12.0-14.0
|
max0.5
|
-
|
0.25
|
sp13cr1
|
max0.04
|
0.55
|
max0.07
|
0.02
|
0.01
|
12.0-14.0
|
3.50-4.60
|
0.8-1.6
|
-
|
sp13cr2
|
max0.04
|
0.55
|
max0.07
|
0.02
|
0.01
|
12.0-14.0
|
4.80-5.50
|
1.8-2.6
|
-
|
Steel Grade
|
Yield Strength Ksi(Mpa)
|
Mild tensile Ksi(Mpa)
|
Elongation
|
hardness (HRC)
|
|
|
Min
|
Max
|
Min
|
Max
|
|
L80-13cr
|
80 (552)
|
95 (655)
|
95 (655)
|
API5CT
|
API5CT
|
C95-SP13Cr1C95-SP13Cr2
|
95 (655)
|
110 (758)
|
110 (724)
|
API5CT
|
|
p110-Sp13Cr1p110-Sp13Cr2
|
110 (758)
|
140 (965)
|
125 (862)
|
API5CT
|
Steel Grade
|
Type
|
Yield Strength Ksi(Mpa)
|
Mild tensilemin Mpa
|
Elongation max
|
Allowable hardnessVariety HRC
|
||
mm
|
max
|
HRC
|
HBW
|
||||
J55
|
-
|
379
|
552
|
517
|
-
|
-
|
-
|
K55
|
-
|
379
|
552
|
655
|
-
|
-
|
-
|
N80
|
1
|
552
|
758
|
689
|
-
|
-
|
-
|
N80
|
Q
|
552
|
758
|
689
|
-
|
-
|
-
|
M65
|
-
|
448
|
586
|
586
|
22
|
235
|
-
|
L80
|
1
|
552
|
655
|
655
|
23
|
241
|
-
|
C90
|
1,2
|
621
|
724
|
689
|
25.4
|
255
|
3
|
C95
|
-
|
655
|
758
|
724
|
-
|
-
|
-
|
T95
|
1,2
|
655
|
758
|
724
|
25.4
|
255
|
3.0
|
P110
|
-
|
758
|
965
|
862
|
-
|
-
|
-
|
Q125
|
1~4
|
862
|
1034
|
931
|
b
|
-
|
3.0
|