| Le point | Billette en acier |
| Types | D'acier carré billette billette d'acier plat, |
| Standard | Go, JIS, ASTM |
| Grade | Q195, Q215, Q235, Q275, Q345, la DGRH335, 20Mini, 3SP, 5SP |
| Taille | 80*80mm, 90*90mm, 100*100,120*120mm et ainsi de suite |
| La tolérance de billettes en acier carré | +1,0/-2,0----+3,0/-1.0mm |
| La tolérance de billettes en acier carré | +/-2.0mm; se reporter à la largeur +/-3.0mm se rapportent à l'épaisseur |
| TOCT | L'AISI,ASTM | JIS | DIN | BS | NF |
| USA | Le Japon | L'allemagne/(W-Nr.) | British | France | |
| 12X17T9AH4 | 201 | SUS201 | ----- | ----- | ----- |
| 12X17T9AH4 | 202 | SUS202 | X8CrMnNi189 | 284S16 | Z15CNM19.08 |
| ----- | SUS301J1 | X12CrNi17.7 | ----- | ----- | |
| 12X18H9 | 302 | SUS302 | X12CrNi18.8 | 302S25 | Z10CN18.09 |
| ----- | 303 | SUS303 | X12CrNiS18.8 | 303S21 | Z10CNF18.09 |
| 12X18H10E | 303se | SUS303se | ----- | 303S41 | ----- |
| ----- | 302B | SUS302B | X12CrNiSi18.8 | ----- | ----- |
| 08X18H10 | 304 | SUS304 | X5CrNi18.9 | 304S15 | Z6CN18.09 |
| 03X18H11 | 304L | SUS304L | X2CrNi18.9 | 304SS12 | Z2CN18.09 |
| ----- | 304N | SUS404N1 | ----- | ----- | ----- |
| ----- | 304LN | SUS304LN | X2CrNiN18.10 | 304S62 | Z2CN18.10 |
| 12X18H12T | 305 | SUS305 | X5CrNi19.11 | 305S19 | Z8CN18.12 |
| ----- | 309S | SUS309S | X7CrNi23.14 | ----- | ----- |
| ----- | 310S | SUS310S | ----- | ----- | ----- |
| 08X17H13M2T | 316 | SUS316 | X5CrNiMo18.10 | 316S16 | Z6CND17.12 |
| 08X17H13M2T | ----- | ----- | X10CrNiMoTi18.10 | 320S31 | Z6CNDT17.12 |
| 320S17 | |||||
| 10X17H13M2T | ----- | ----- | X10CrNiMoTi18.10 | ----- | Z8CNDT17.12 |
| 03X17H14M2 | 316L | SUS316L | X2CrNiMo18.10 | 316S12 | Z2CND17.12 |
| ----- | 316N | SUS316N | ----- | ----- | ----- |
| ----- | 316LN | SUS316LN | X2CrNiMoN18.12 | 316S61 | Z2CND17.12 |
| Grade d'acier | C % | Mn % | Si % | S % | P % |
| Q195 | 0.06-0.12 | 0,25-0,50 | 0,30 Max | 0,04 Max. | 0,04 Max. |
| Q235 | 0.12-0.22 | 0.30-0.60 | 0,30 Max. | 0,04 Max. | 0,04 Max. |
| Q275 | 0.27-0.38 | 0.50-0.80 | 0,30 Max. | 0,045 Max. | 0,045 Max. |
| 3SP | 0.14-0.22 | 0,40-0,85 | 0.15-0.30 | 0,050 Max. | 0,040 Max. |
| 5SP | 0,28-0,37 | 0.50-1.00 | 0.15-0.30 | 0,050 Max. | 0,040 Max. |
| Grade d'acier | C % | Mn % | Si % | S % | P % |
| Q195 | 0.06-0.12 | 0,25-0,50 | 0,30 Max | 0,04 Max. | 0,04 Max. |
| Q235 | 0.12-0.22 | 0.30-0.60 | 0,30 Max. | 0,04 Max. | 0,04 Max. |
| Q275 | 0.27-0.38 | 0.50-0.80 | 0,30 Max. | 0,045 Max. | 0,045 Max. |
| 3SP | 0.14-0.22 | 0,40-0,85 | 0.15-0.30 | 0,050 Max. | 0,040 Max. |
| 5SP | 0,28-0,37 | 0.50-1.00 | 0.15-0.30 | 0,050 Max. | 0,040 Max. |