Casing
Use:Seamless steel tubes for oil casing and tubing in oil wells
Standard:API SPEC 5CT
Steel Grade:J55,K55,N80,L80,P110 etc.
Chemical Composition:
|
Standard codes |
Steel Grade of steel tubes |
Chemical compositions（％） |
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Als |
|
API SPEC 5CT |
J55K55(37Mn5) |
0.34～0.39 |
0.20～0.35 |
1.25～1.50 |
≤0.020 |
≤0.015 |
≤0.15 |
≤0.20 |
≤0.20 |
|
|
≤0.020 |
|
N80(36 Mn2V) |
0.34～0.38 |
0.20～0.35 |
1.45～1.70 |
≤0.020 |
≤0.015 |
≤0.15 |
|
|
|
0.11～0.16 |
≤0.020 |
|
L80(13Cr) |
0.15～0.22 |
≤1.00 |
0.25～1.00 |
≤0.020 |
≤0.010 |
12.0～14.0 |
≤0.20 |
≤0.20 |
|
|
≤0.020 |
|
P110(30CrMo) |
0.26～0.35 |
0.17～0.37 |
0.40～0.70 |
≤0.020 |
≤0.010 |
0.80～1.10 |
≤0.20 |
≤0.20 |
0.15～0.25 |
≤0.08 |
≤0.020 |
Mechanical properties：
|
Standard codes |
Models of steel tubes |
Tensite strength（MPa） |
Yield strength（MPa） |
Elongation（％） |
Hardness |
|
API SPEC 5CT |
J55 |
≥517 |
379～552 |
check the table |
|
|
K55 |
≥517 |
≥655 |
|
|
N80 |
≥689 |
552～758 |
|
|
L80(13Cr) |
≥655 |
552～655 |
≤241HB |
|
P110 |
≥862 |
758～965 |
|
Size:
Wall Thickness:3.18mm-14.22mm
OD:48.26mm-365mm
Length:R1/R2/R3
Line Pipe
Use:Used as oxygen,water,and oil delivery pipe in oil and natural gas industry
Standard:API SPEC 5L
Steel Grade:A,B,X42,X46,X52,X56,X60,X65,X70,X80 etc.
|
Mechanical performance and composition |
|
PSL 1: |
|
Grade |
Composition |
Mechanical performance |
|
C(Max) |
Mn(Max) |
P(Max) |
S(Max) |
Yield strength (Min) |
Tensile strength (Min) |
|
psi |
Mpa |
psi |
Mpa |
|
A25 |
CLⅠ |
0.21 |
0.60 |
0.030 |
0.030 |
25.000 |
172 |
45.000 |
310 |
|
CLⅡ |
0.21 |
0.60 |
0.030 |
0.030 |
|
A |
0.22 |
0.90 |
0.030 |
0.030 |
30.000 |
207 |
48.000 |
331 |
|
B |
0.28 |
1.20 |
0.030 |
0.030 |
35.000 |
241 |
60.000 |
414 |
|
X42 |
0.28 |
1.30 |
0.030 |
0.030 |
42.000 |
290 |
60.000 |
414 |
|
X46 |
0.28 |
1.40 |
0.030 |
0.030 |
46.000 |
317 |
63.000 |
434 |
|
X52 |
0.28 |
1.40 |
0.030 |
0.030 |
52.000 |
359 |
66.000 |
455 |
|
X56 |
0.28 |
1.40 |
0.030 |
0.030 |
56.000 |
386 |
71.000 |
490 |
|
X60 |
0.28 |
1.40 |
0.030 |
0.030 |
60.000 |
414 |
75.000 |
517 |
|
X65 |
0.28 |
1.40 |
0.030 |
0.030 |
65.000 |
448 |
77.000 |
531 |
|
X70 |
0.28 |
1.40 |
0.030 |
0.030 |
70.000 |
483 |
82.000 |
565 |
|
|
PSL 2: |
|
Grade |
Composition |
Mechanical performance |
|
C(Max) |
Mn(Max) |
P(Max) |
S(Max) |
Tensile strength |
Yield strength |
|
(Min) |
(Max) |
(Min) |
(Max) |
|
psi |
psi |
psi |
psi |
|
B |
0.24 |
1.20 |
0.025 |
0.015 |
60.000 |
110.00 |
35.00 |
65.000 |
|
X42 |
0.24 |
1.30 |
0.025 |
0.015 |
60.000 |
110.00 |
42.00 |
72.000 |
|
X46 |
0.24 |
1.40 |
0.025 |
0.015 |
63.000 |
110.00 |
46.00 |
76.000 |
|
X52 |
0.24 |
1.40 |
0.025 |
0.015 |
66.000 |
110.00 |
52.00 |
77.000 |
|
X56 |
0.24 |
1.40 |
0.025 |
0.015 |
71.000 |
110.00 |
56.00 |
79.000 |
|
X60 |
0.24 |
1.40 |
0.025 |
0.015 |
75.000 |
110.00 |
60.00 |
82.000 |
|
X65 |
0.24 |
1.40 |
0.025 |
0.015 |
77.000 |
110.00 |
65.00 |
87.000 |
|
X70 |
0.24 |
1.40 |
0.025 |
0.015 |
82.000 |
110.00 |
70.00 |
90.000 |
|
X80 |
0.24 |
1.40 |
0.025 |
0.015 |
90.000 |
120.00 |
80.00 |
100.00 |
Size:
Wall thickness:2.77mm-18.26mm
OD:21.3mm-365mm
Length:R1/R2/R3
Spiral welded: OD 219mm-2032mm;Wall thickness:6-22mm
Straight welded:OD:219-3200mm;Wall thickness:6-50mm |
