China High Quality SS304 St4.8*19 Self Drilling Screw, Find details about China Self Drilling Screw, 4.8 Self Drilling Screw from High Quality SS304 St4.8*19 Self Drilling Screw
Mon | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 |
P | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
a max | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
dc max | 6.3 | 8.3 | 8.8 | 10.5 | 11 | 13.5 |
dc min | 5.8 | 7.6 | 8.1 | 9.8 | 10 | 12.2 |
h min | 0.4 | 0.6 | 0.8 | 0.9 | 1 | 1 |
s max | 4 | 5.5 | 7 | 8 | 8 | 10 |
s min | 3.82 | 5.32 | 6.78 | 7.78 | 7.78 | 9.78 |
e min | 4.28 | 5.96 | 7.59 | 8.71 | 8.71 | 10.95 |
k max | 2.8 | 3.4 | 4.1 | 4.3 | 5.4 | 5.9 |
k min | 2.5 | 3 | 3.6 | 3.8 | 4.8 | 5.3 |
r max | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
z min | 6.25 | 6.8 | 8.7 | 9.3 | 11 | 12 |
CHEMICAL COMPONENTS | |||||||||
Material | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni | Cr | Mo | Others |
201 | 0.15 | 1 | 5.5-7.5 | 0.06 | 0.03 | 3.5-5.5 | 16-18 | N≤0.25 | |
304 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-10.0 | 18-20 | ||
304L | 0.03 | 1 | 2 | 0.045 | 0.03 | 8.0-12.0 | 18-20 | ||
321 | 0.08 | 1 | 2 | 0.045 | 0.03 | 8.0-13.0 | 17-19 | Ti≤5*C% | |
316 | 0.08 | 1 | 2 | 0.045 | 0.03 | 10.0-14.0 | 16-18 | 2-3 | |
316L | 0.03 | 1 | 2 | 0.045 | 0.03 | 10.0-15.0 | 16-18 | 2-3 | |
309S | 0.08 | 1 | 2 | 0.045 | 0.03 | 12.0-15.0 | 22-24 | ||
410 | 0.15 | 1 | 0.03 | - | 11.5-13.5 | ||||
420 | 0.26-0.4 | 1 | 0.03 | - | 12-14 | ||||
430 | 0.12 | 0.75 | 1 | 0.04 | 0.03 | - | 16-18 |