Chemical composition of various steel grades of api 5ct oil casing,Steel Grade:J55,K55,L80-1,N80Q,P110,Q125
Steel Grade |
Material |
C |
Si |
Mn |
P |
S |
Cr |
J55 |
|
|
|
|
≤0.030 |
≤0.030 |
|
37Mn5 |
0.34-0.39 |
0.20-035 |
1.25-1.50 |
≤0.025 |
≤0.015 |
≤0.15 |
|
34Mn6 |
0.35 |
0.26 |
1.38 |
0.018 |
0.005 |
0.09 |
|
30Mn2Cr |
0.27-0.34 |
0.17-0.35 |
1.40-1.80 |
≤0.025 |
≤0.02 |
0.2-0.4 |
|
30Mn2 |
0.27-0.34 |
0.17-0.37 |
1.40-1.80 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
|
30CrMo |
0.26-0.34 |
0.17-0.37 |
0.40-0.70 |
|
|
0.80-1.10 |
|
25Mn2V |
0.24-0.28 |
0.17-0.37 |
1.40-1.70 |
≤0.02 |
≤0.015 |
≤0.15 |
|
34Mn5 |
0.32-0.38 |
0.15-0.35 |
1.10-1.30 |
≤0.025 |
≤0.025 |
|
|
K55 |
|
|
|
|
≤0.030 |
≤0.030 |
|
37Mn5 |
0.34-0.39 |
0.20-0.35 |
1.25-1.50 |
≤0.025 |
≤0.015 |
≤0.15 |
|
34Mn6 |
0.35 |
0.26 |
1.38 |
0.018 |
0.005 |
0.09 |
|
0.27-0.34 |
0.17-0.35 |
1.40-1.80 |
≤0.025 |
≤0.02 |
0.2-0.4 |
||
L80-1 |
|
≤0.50 |
≤0.45 |
≤1.90 |
≤0.030 |
≤0.030 |
|
30Mn2 |
0.27-0.34 |
0.17-0.37 |
1.40-1.80 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
|
37Mn5 |
0.34-0.39 |
0.20-0.35 |
1.25-1.50 |
≤0.025 |
≤0.015 |
≤0.15 |
|
34Mn6 |
0.35 |
0.26 |
1.38 |
0.018 |
0.005 |
0.09 |
|
30Mn2Cr |
0.27-0.34 |
0.17-0.35 |
1.40-1.80 |
≤0.025 |
≤0.02 |
0.2-0.4 |
|
25Mn2V |
0.24-0.28 |
0.17-0.37 |
1.40-1.70 |
≤0.02 |
≤0.015 |
≤0.15 |
|
25Mn2 |
0.32-0.39 |
0.17-0.37 |
1.40-1.80 |
≤0.025 |
≤0.025 |
≤0.30 |
|
36Mn2V |
0.34-0.39 |
0.25-0.40 |
1.45-1.70 |
≤0.025 |
≤0.015 |
≤0.15 |
|
37Mn2V |
|
|
|
|
|
|
|
N80Q |
|
|
|
|
≤0.030 |
≤0.030 |
|
37Mn5 |
0.34-0.39 |
0.20-0.35 |
1.25-1.50 |
≤0.025 |
≤0.015 |
≤0.15 |
|
34Mn6 |
0.35 |
0.26 |
1.38 |
0.018 |
0.005 |
0.09 |
|
|
|
|
|
|
|
|
|
Steel Grade |
Material |
C |
Si |
Mn |
P |
S |
Cr |
N80Q |
30Mn2 |
0.27-0.34 |
0.17-0.37 |
1.40-1.80 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
25Mn2 |
0.32-0.39 |
0.17-0.37 |
1.40-1.80 |
≤0.025 |
≤0.025 |
≤0.30 |
|
37Mn2V |
|
|
|
|
|
|
|
30Mn2Cr |
0.27-0.34 |
0.17-0.35 |
1.40-1.80 |
≤0.025 |
≤0.02 |
0.2-0.4 |
|
20Mn2 |
0.17-0.24 |
0.17-0.37 |
1.40-1.80 |
≤0.025 |
≤0.025 |
≤0.30 |
|
SAE1527 |
0.22-0.29 |
|
1.20-1.50 |
≤0.040 |
≤0.050 |
|
|
P110 |
|
|
|
|
|
|
|
25Mn2V |
0.24-0.28 |
0.17-0.37 |
1.40-1.70 |
≤0.02 |
≤0.015 |
≤0.15 |
|
36Mn2V |
0.34-0.39 |
0.25-0.40 |
1.45-1.70 |
≤0.025 |
≤0.015 |
≤0.15 |
|
37Mn2V |
|
|
|
|
|
|
|
30Mn2 |
0.27-0.34 |
0.17-0.37 |
1.40-1.80 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
|
30Mn2Cr |
0.27-0.34 |
0.17-0.35 |
1.40-1.80 |
≤0.025 |
≤0.02 |
0.2-0.4 |
|
37Mn5 |
0.34-0.39 |
0.20-0.35 |
1.25-1.50 |
≤0.025 |
≤0.015 |
≤0.15 |
|
35CrMo |
0.32-040 |
0.17-0.37 |
0.40-070 |
Allowable residual content≤0.35 |
Allowable residual content≤0.35 |
0.80-1.10 |
|
30CrMo |
0.26-0.34 |
0.17-0.37 |
0.40-0.70 |
|
|
0.80-1.10 |
|
Q125 |
|
≤0.35 |
|
≤1.35 |
≤0.020 |
≤0.010 |
≤1.50 |
30CrMo |
0.26-0.34 |
0.17-0.37 |
0.40-0.70 |
|
|
0.80-1.10 |
|
25CrMoMo |
|
|
|
|
|
|
|
HCP110 |
|
|
|
|
|
|
|
|
32Mn6 |
0.320 |
0.23 |
1.26 |
0.015 |
0.015 |
0.062 |
|
10#钢 |
0.096 |
0.188 |
0.378 |
0.016 |
0.014 |
|
|
20#钢 |
0.234 |
0.231 |
0.444 |
0.031 |
0.028 |
0.022 |
|
35#钢 |
0.381 |
0.237 |
0.656 |
0.021 |
0.016 |
0.041 |
|
|
|
|
|
|
|
|
Steel Grade |
Material |
Ni |
Mo |
Cu |
V |
Al |
|
J55 |
|
|
|
|
|
|
|
37Mn5 |
≤0.20 |
|
≤0.20 |
|
0.01-0.04 |
|
|
34Mn6 |
0.04 |
0.011 |
0.07 |
|
0.022 |
|
|
30Mn2Cr |
≤0.25 |
|
≤0.20 |
|
|
|
|
30Mn2 |
Allowable residual content≤0.35 |
|
Allowable residual content≤0.35 |
|
|
|
|
30CrMo |
|
0.15-0.25 |
|
|
|
|
|
25Mn2V |
≤0.20 |
|
≤0.20 |
0.08-0.12 |
|
|
|
34Mn5 |
|
|
|
|
0.01-0.04 |
|
|
K55 |
|
|
|
|
|
|
|
37Mn5 |
≤0.20 |
|
≤0.20 |
|
0.01-0.04 |
|
|
34Mn6 |
0.04 |
0.011 |
0.07 |
|
0.022 |
|
|
≤0.25 |
|
≤0.20 |
|
|
|
||
L80-1 |
|
≤0.25 |
|
≤0.35 |
|
|
|
30Mn2 |
Allowable residual content≤0.35 |
|
Allowable residual content≤0.35 |
|
|
|
|
37Mn5 |
≤0.20 |
|
≤0.20 |
|
0.01-0.04 |
|
|
34Mn6 |
0.04 |
0.011 |
0.07 |
|
0.022 |
|
|
30Mn2Cr |
≤0.25 |
|
≤0.20 |
|
|
|
|
25Mn2V |
≤0.20 |
|
≤0.20 |
0.08-0.12 |
|
|
|
25Mn2 |
≤0.30 |
|
≤0.25 |
|
|
|
|
36Mn2V |
≤0.20 |
|
≤0.20 |
0.11-0.16 |
|
|
|
37Mn2V |
|
|
|
|
|
|
|
N80Q |
|
|
|
|
|
|
|
37Mn5 |
≤0.20 |
|
≤0.20 |
|
0.01-0.04 |
|
|
34Mn6 |
0.04 |
0.011 |
0.07 |
|
0.022 |
|
|
|
|
|
|
|
|
|
|
Steel Grade |
Material |
Ni |
Mo |
Cu |
V |
Al |
|
N80Q |
30Mn2 |
Allowable residual content≤0.35 |
|
Allowable residual content≤0.35 |
|
|
|
25Mn2 |
≤0.30 |
|
≤0.25 |
|
|
|
|
37Mn2V |
|
|
|
|
|
|
|
30Mn2Cr |
≤0.25 |
|
≤0.20 |
|
|
|
|
20Mn2 |
≤0.30 |
|
≤0.25 |
|
|
|
|
SAE1527 |
|
|
|
|
|
|
|
P110 |
|
|
|
|
|
|
|
25Mn2V |
≤0.20 |
|
≤0.20 |
0.08-0.12 |
|
|
|
36Mn2V |
≤0.20 |
|
≤0.20 |
0.11-0.16 |
|
|
|
37Mn2V |
|
|
|
|
|
|
|
30Mn2 |
Allowable residual content≤0.35 |
|
Allowable residual content≤0.35 |
|
|
|
|
30Mn2Cr |
≤0.25 |
|
≤0.20 |
|
|
|
|
37Mn5 |
≤0.20 |
|
≤0.20 |
|
0.01-0.04 |
|
|
35CrMo |
Allowable residual content≤0.35 |
0.15-0.25 |
Allowable residual content≤0.35 |
|
|
|
|
30CrMo |
|
0.15-025 |
|
|
|
|
|
Q125 |
|
≤0.99 |
≤0.85 |
|
|
|
|
30CrMo |
|
0.15-0.25 |
|
|
|
|
|
25CrMoMo |
|
|
|
|
|
|
|
HCP110 |
|
|
|
|
|
|
|
|
32Mn6 |
0.065 |
0.020 |
0.15 |
|
0.012 |
|
|
|
|
|
|
|
|
|
|
20#steel |
0.018 |
|
0.035 |
|
|
|
|
35#steel |
0.028 |
|
0.047 |
|
0.051(Als) |
|
related suggestion
• Chemical composition of various steel grades of api5ct oil casing
• Product requirements for J55 and K55 steel grade oil casing in API 5CT
• specifications of API 5CT Grade N80 oil casing
Guess what you want to see
• Oil casing production process
• Grades and Specifications for API 5L Pipe
• Oil Casing Specification Table