Lintlha tse akaretsang
Tšepe ea EN 10025 S355 ke sehlopha sa tšepe sa sebopeho se tloaelehileng sa Europe, ho latela EN 10025-2: 2004, thepa ea S355 e arotsoe ka lihlopha tse 4 tsa boleng bo holimo:
● S355JR (1.0045)
● S355J0 (1.0553)
● S355J2 (1.0577)
● S355K2 (1.0596)
Thepa ea tšepe ea sebopeho sa S355 e betere ho feta tšepe ea S235 le S275 ka matla a tlhahiso le matla a ho thaepa.
Moelelo oa Sehlopha sa Tšepe S355 (Tlhophiso)
Litlhaku le linomoro tse latelang li hlalosa moelelo oa sehlopha sa tšepe sa S355.
"S" ke khutsufatso ea "tšepe ea meaho".
"355" e bolela boleng ba bonyane ba matla a tlhahiso bakeng sa botenya ba tšepe bo bataletseng le bo bolelele ba ≤ 16mm.
"JR" e bolela hore boleng ba matla a tshusumetso ke bonyane 27 J mochesong wa kamore (20℃).
"J0" e ka mamella matla a tshusumetso bonyane 27 J ho 0℃.
"J2" e amanang le boleng bo tlase ba matla a tshusumetso ke 27 J ho -20℃.
"K2" e bolela boleng bo tlase ba matla a tshusumetso ke 40 J ho -20℃.
Sebopeho sa lik'hemik'hale le thepa ea mechini
Sebopeho sa Lik'hemik'hale
| Sebopeho sa Lik'hemik'hale sa S355% (≤) | ||||||||||
| E tloaelehileng | Tšepe | Sehlopha | C | Si | Mn | P | S | Cu | N | Mokhoa oa ho tlosa oxidation |
| EN 10025-2 | S355 | S355JR | 0.24 | 0.55 | 1.60 | 0.035 | 0.035 | 0.55 | 0.012 | Tšepe e nang le rimmed ha ea lumelloa |
| S355J0 (S355JO) | 0.20 | 0.55 | 1.60 | 0.030 | 0.030 | 0.55 | 0.012 | |||
| S355J2 | 0.20 | 0.55 | 1.60 | 0.025 | 0.025 | 0.55 | – | Ba bolailoe ka botlalo | ||
| S355K2 | 0.20 | 0.55 | 1.60 | 0.025 | 0.025 | 0.55 | – | Ba bolailoe ka botlalo | ||
Matlotlo a Mekaniki
Matla a Tekanyo
| Matla a ho Fana ka S355 (≥ N/mm2); Bophara. (d) mm | |||||||||
| Tšepe | Sehlopha sa Tšepe (Nomoro ea Tšepe) | d≤16 | 16< d ≤40 | 40< d ≤63 | 63 | 80 | 100< d ≤150 | 150 | 200 |
| S355 | S355JR (1.0045) | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 |
| S355J0 (1.0553) | |||||||||
| S355J2 (1.0577) | |||||||||
| S355K2 (1.0596) | |||||||||
Matla a tšepe
| Matla a ho Tenyetseha a S355 (≥ N/mm2) | ||||
| Tšepe | Kereiti ea Tšepe | d<3 | 3 ≤ d ≤ 100 | 100 < d ≤ 250 |
| S355 | S355JR | 510-680 | 470-630 | 450-600 |
| S355J0 (S355JO) | ||||
| S355J2 | ||||
| S355K2 | ||||
Ho lelefatsa
| Ho lelefatsa (≥%); Botenya (d) mm | ||||||
| Tšepe | Kereiti ea Tšepe | 3≤d≤40 | 40< d ≤63 | 63 | 100< d ≤ 150 | 150 |
| S355 | S355JR | 22 | 21 | 20 | 18 | 17 |
| S355J0 (S355JO) | ||||||
| S355J2 | ||||||
| S355K2 | 20 | 19 | 18 | 18 | 17 | |
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