Top China API Casing Pipe Manufacturer, Supplier, and Factory
exploring the benefits of Working with a top china API Casing Pipe manufacturer, Supplier, and Factory chemical Composition, Mass Fraction (%) grade C Mn Mo Cr Ni Cu P S Si type min max min max min max min max max max max max max 1 2 3 4 5 6 7 8…
exploring the benefits of Working with a top china API Casing Pipe manufacturer, Supplier, and Factory
| chemical Composition, Mass Fraction (%) | ||||||||||||||
| grade | C | Mn | Mo | Cr | Ni | Cu | P | S | Si | |||||
| type | min | max | min | max | min | max | min | max | max | max | max | max | max | |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| H40 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
| J55 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
| K55 | — | — | — | — | — | — | — | — | — | — | — | — | 0.03 | — |
| N80 | 1 | — | — | — | — | — | — | — | — | — | — | 0.03 | 0.03 | — |
| N80 | Q | — | — | — | — | — | — | — | — | — | — | 0.03 | 0.03 | — |
| R95 | — | — | 0.45 c | — | 1.9 | — | — | — | — | — | — | 0.03 | 0.03 | 0.45 |
| L80 | 1 | — | 0.43 a | — | 1.9 | — | — | — | — | 0.25 | 0.35 | 0.03 | 0.03 | 0.45 |
| L80 | 9Cr | — | 0.15 | 0.3 | 0.6 | 0.9 | 1.1 | 8 | 10 | 0.5 | 0.25 | 0.02 | 0.03 | 1 |
| L80 | 13Cr | 0.15 | 0.22 | 0.25 | 1 | — | — | 12 | 14 | 0.5 | 0.25 | 0.02 | 0.03 | 1 |
| C90 | 1 | — | 0.35 | — | 1.2 | 0.25 b | 0.85 | — | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
| T95 | 1 | — | 0.35 | — | 1.2 | 0.25 b | 0.85 | 0.4 | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
| C110 | — | — | 0.35 | — | 1.2 | 0.25 | 1 | 0.4 | 1.5 | 0.99 | — | 0.02 | 0.03 | — |
| P110 | e | — | — | — | — | — | — | — | — | — | — | 0.030 e | 0.030 e | — |
| Q125 | 1 | — | 0.35 | 1.35 | — | 0.85 | — | 1.5 | 0.99 | — | 0.02 | 0.01 | — | |
| NOTE elements shown shall be reported in product analysis. | ||||||||||||||
| a The carbon content for L80 may be increased up to 0.50 % maximum if the product is Oil-quenched or polymer-quenched. | ||||||||||||||
| b The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the wall thickness is less than 17.78 mm. | ||||||||||||||
| c The carbon content for R95 may be increased up to 0.55 % maximum if the product is oil-quenched. | ||||||||||||||
| d The molybdenum content for T95 Type 1 may be decreased to 0.15 % minimum if the wall thickness is less than 17.78 mm. | ||||||||||||||
| e For EW Grade p110, the phosphorus content shall be 0.020 % maximum and the sulfur content 0.010 % maximum. | ||||||||||||||
