SIDDHGIRI TUBES - | E-Showroom
SIDDHGIRI TUBES - | E-Showroom
Grade | C | Mn | Si | P | S | Cr | Ni | ||
440B | 0.6 - 0.75 | 1.00 max | 1.00 max | 0.04 max | 0.030 max | 16.00 - 18.00 | - | ||
Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Rockwell (HR C) | Impact Charpy V (J) | ||
Annealed* | 758 | 448 | 14 | 269HB max | - | ||
204 | 2030 | 1900 | 4 | 59 | 9 | ||
260 | 1960 | 1830 | 4 | 57 | 9 | ||
316 | 1860 | 1740 | 4 | 56 | 9 | ||
371 | 1790 | 1660 | 4 | 56 | 9 | ||
* Annealed properties are typical for Condition A of ASTM A276# Brinell Hardness is ASTM A276 specified maximum for annealed 440A, B and C. | |||||||