This news page covers seamless steel pipe in relation to ASTM A519 GR 4130 Seamless PipeS MANUFACTURER, SUPPLIER IN CHINA. The content highlights standards such as ASTM A519, ASTM A519ASTM and size and dimension requirements, end-use applications. Buyers can use the page to check whether the product, grade, size range, inspection requirements and delivery details match their inquiry.
ASTM A519 covers several grades of carbon and alloy steel seamless mechanical tubing. The standard is also acceptable in the manufacture of piping. It is manufactured by hot working and then cold finishing the steel into round, square, rectangle or special shapes. AISI 4130 is a steel formula designation indicating medium carbon content with strengthening alloys that include chromium, manganese, silicon, molybdenum, sulfur and phosphorus.
Carbon % | 0.28 – 0.33 |
Manganese % | 0.40 – 0.60 |
Phosphorous, max. % | 0.04 |
Sulfur, max. % | 0.04 |
Silicon % | 0.15 – 0.35 |
Chromium % | 0.80 – 1.10 |
Molybdenum % | 0.15 – 0.25 |
Condition | Grade | Medium |
Annealed or normalized | A519-4130 | Air |
Quenched and tempered | A519-4130 | Water |
Tolerances
Condition | OD | Wall |
Annealed or normalized | ASTM A519 | ASTM A519 |
Quenched and tempered | +/- 1%A | VariesB |
ATolerance is typical but not standardized. | ||
