Technical Sheet IV
SPEC.ASTM | A403 | A420 | |||||||||||
GRADE | WP304 | WP304H | WP304L | WP316 | WP316H | WP316L | WP321 | WP321H | WP347 | WP347H | WPL6 | WPL3 | |
C | min | 0.08 | 0.04 | 0.035 | 0.08 | 0.04 | 0.035 | 0.08 | 0.04 | 0.08 | 0.04 | 0.3 | 0.2 |
max | 0.10 | 0.1 | 0.10 | 0.10 | |||||||||
Mn | min | 0.6 | 0.31 | ||||||||||
max | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1.35 | 0.64 | |
P | max | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 | 0.035 | 0.05 |
S | max | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | 0.05 |
Si | min | 0.15 | 0.13 | ||||||||||
max | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0.3 | 0.37 | |
Cu | max | 0.4 | |||||||||||
NI | min | 8 | 8 | 8 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 3.2 | |
max | 11 | 11 | 13 | 14 | 14 | 16 | 13 | 13 | 13 | 13 | 0.4 | 3.8 | |
Cr | min | 18 | 18 | 18 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 0.3 | |
max | 20 | 20 | 20 | 18 | 18 | 18 | 20 | 20 | 20 | 20 | |||
Mo | min | 2 | 2 | 2 | |||||||||
max | 3 | 3 | 3 | 0.12 | |||||||||
Nb | max | 0.02 | |||||||||||
AL | |||||||||||||
Ti | |||||||||||||
Bo | |||||||||||||
V | max | 0.05 | |||||||||||
Tensile strength min. | PSI x 1k | 75 | 75 | 70 | 75 | 75 | 70 | 75 | 75 | 75 | 75 | 60-85 | 65-90 |
MPA | 515 | 515 | 485 | 515 | 515 | 485 | 515 | 515 | 515 | 515 | 415- 585 | 450- 620 | |
Yeld strength min. | PSI x 1k | 30 | 30 | 25 | 30 | 30 | 25 | 30 | 30 | 30 | 30 | 35 | 35 |
MPA | 205 | 205 | 170 | 205 | 205 | 170 | 205 | 205 | 205 | 205 | 240 | 240 | |
Elongatio n in 2 in. Min. 2% | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 22 | 22 | |
Hardness test HB. | min | ||||||||||||
max |