STANDARDS | OD | WT | ||
mm | inch | mm | ga | |
ASTM A554 | 8-323 | 0.315"-12 3/4" | 0.6-6.0 | 24ga-4ga |
ASTM 249/269 | 15.88-203.2 | 0.6252"-8" | 0.6-3.0 | 24ga-11ga |
ASTM A270 | 15.88-203.2 | 0.6252"-8" | 1.0-3.0 | 20ga-11ga |
EN 10296-2 | 8-323 | 0.315"-12 3/4" | 0.6-6.0 | 24ga-4ga |
EN 10217-7 | 12-323 | 0.4724"-12 3/4" | 0.6-6.0 | 24ga-4ga |
EN 10357 | 13-204 | 0.5118"-8" | 1.0-3.0 | 20ga-11ga |
Typical Chemical Composition % (max values, unless noted) | ||||||||
Grade | C | Mn | P | S | Si | Ni | Cr | Mo |
439 | 0.03 | 1.0 | 0.04 | 0.03 | 1.00 | 0.5 max | 17.0-19.0 | |
Typical Mechanical Properties | ||||||||
Grade | Tensile Strength | Yield Strength | Elongation in 2 in. or (50mm) | Brinell Hardness | Rockwell Hardness | |||
min | min | min | max | max | ||||
ksi | Mpa | ksi | Mpa | % | ||||
439 | 60 | 414 | 35 | 241 | 20 | 190 | 90 |