Trademark: HTSP
Specification: J55 K55 N80 L80 P110
Origin: China
Trademark: HTSP
Specification: J55 K55 N80 L80 P110
Origin: China
| Standard | Steel Grade |                                   Chemical Properties (%) | ||||||||||
| 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 |  | |
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| Standard | Steel Grade | T.S.(MPa) | Y.S.(MPa) | Elongation(%) | Hardness |
| API SPEC 5CT | J55 | ≥517 | 379~552 |
0.5 0.5 0.5 0.5 0.6 |
 |
| K55 | ≥517 | ≥655 |  | ||
| N80 | ≥689 | 552~758 |  | ||
| L80(13Cr) | ≥655 | 552~655 | ≤241HB | ||
| P110 | ≥862 | 758~965 |  |
| Standard | Steel Grade |                                   Chemical Properties (%) | ||||||||||
| 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 |  | |
Â
| Standard | Steel Grade | T.S.(MPa) | Y.S.(MPa) | Elongation(%) | Hardness |
| API SPEC 5CT | J55 | ≥517 | 379~552 |
0.5 0.5 0.5 0.5 0.6 |
 |
| K55 | ≥517 | ≥655 |  | ||
| N80 | ≥689 | 552~758 |  | ||
| L80(13Cr) | ≥655 | 552~655 | ≤241HB | ||
| P110 | ≥862 | 758~965 |  |
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