Tiwb dur strwythurol Grain Gain
NA. | GRADD | YSTOD MAINT | SAFON | ||
OD / mm | WT / mm | L / m | |||
1 | S275J0H | 48 ~ 114 | 4 ~ 16 | 6 ~ 12.2 | EN10210-1 |
2 | S275J2H | 114 ~ 340 | 4.5 ~ 36 | 6 ~ 15 | |
3 | S355J0H | ||||
4 | S355J2H | ||||
5 | S355J2H |
Gradd : | S275J0H | ||
Rhif: | 1.0149 | ||
Dosbarthiad: | Dur strwythurol nad yw'n aloi | ||
Safon: |
|
Dull dadwenwyno FN = ni chaniateir steels ymylol C <0.2 ar gyfer trwch = <40 mm, CEV <0.41 / 0.48 ar gyfer trwch 16/65 mm |
C. | Mn | P. | S. | N. |
mwyafswm 0.22 | mwyafswm 1.5 | mwyafswm 0.035 | mwyafswm 0.035 | mwyafswm 0.009 |
Trwch enwol (mm): | i 3 | 3 - 100 | 100 - 120 |
Rm - Cryfder tynnol (MPa) | 430-580 | 410-560 | 400-540 |
Trwch enwol (mm): | i 16 | 16 - 40 | 40 - 63 | 63 - 80 | 80 - 100 | 100 - 120 |
ReH - Cryfder cynnyrch lleiaf (MPa) | 275 | 265 | 255 | 245 | 235 | 225 |
KV - Egni effaith (J) | 0 ° 27 |
Trwch enwol (mm): | i 40 | 40 - 63 | 63 - 100 | 100 - 120 |
A. - Munud. elongation ar doriad esgyrn (%).,. | 23 | 22 | 21 | 19 |