| 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 |  | |
| 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 |  | |
| 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 |  |
CDC recommends washing hands with soap and water whenever possible because handwashing reduces the amounts of all types of germs and chemicals on hands. But if soap and water are not available, using a hand sanitizer with at least 60% alcohol can help you avoid getting sick and spreading germs to others. The guidance for effective handwashing and use of hand sanitizer in community settings was developed based on data from a number of studies.
Alcohol-based hand sanitizers can quickly reduce the number of microbes on hands in some situations, but sanitizers do not eliminate all types of germs.
Why? Soap and water are more effective than hand sanitizers at removing certain kinds of germs, like Cryptosporidium, norovirus, and Clostridium difficile1-5. Although alcohol-based hand sanitizers can inactivate many types of microbes very effectively when used correctly 1-15, people may not use a large enough volume of the sanitizers or may wipe it off before it has dried 14.
When using hand sanitizer, apply the product to the palm of one hand (read the label to learn the correct amount) and rub the product all over the surfaces of your hands until your hands are dry.
Swallowing alcohol-based hand sanitizers can cause alcohol poisoning.
Why? Ethyl alcohol (ethanol)-based hand sanitizers are safe when used as directed, but they can cause alcohol poisoning if a person swallows more than a couple of mouthfuls
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