JIS G3455 STPG370 Carbon Steel Yeeb Nkab
JIS G3455 STPG370 Cov pa roj carbon steel yeeb nkab Qhov no japanese Industrial Standard qhia cov pa roj carbon steel kav, hereinafter hu ua "cov kav dej", siv rau kev pabcuam siab ntawm qhov ntsuas kub ntawm 350 degree. Cov kav dej kub siab yuav tsum ua raws li JIS G 3455....
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JIS G3455 STPG370 Carbon steel yeeb nkab
Cov txheej txheem Japanese no qhia txog cov pa roj carbon steel kav, tom qab ntawd hu ua "cov kav dej", siv rau kev pabcuam siab ntawm qhov kwv yees qhov siab tshaj plaws ntawm 350 degree. Cov kav dej kub siab yuav tsum ua raws li JIS G 3455. Tus Qauv: JIS G 3454 JIS G 3455 JIS G 3456 Japanese Industrial Standard Siv: Rau kev xa roj, roj thiab lwm yam kua
Chemical Composition (%):
| Qib steel | Tshuaj muaj pes tsawg leeg,%, max | ||||||||
| C | Mn | Si | S | P | Cr | Ni | Cu | V | |
| Cov pa roj carbon steel | 0.22 | 0.65 | 0.37 | 0.04 | 0.035 | 0.25 | 0.3 | 0.3 | – |
| Tsawg alloy steel | 0.2 | 1.65 | 0.6 | 0.035 | 0.033 | 0.8 | 0.3 | 0.3 | 0.1 |
Mechanical Properties:
| Qib steel | Tensile zog, MPa | Yield zog, MPa | Elongation,% |
| K34 | 334 | 206 | 24 |
| K38 | 373 | 235 | 22 |
| K42 | 412 | 245 | 21 |
| K50 | 491 | 343 | 20 |
| K52 | 510 | 353 | 20 |
| K55 | 540 | 373 | 20 |
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| D 3562 | TIAB SA 370 | A 53 | Gr A | G-3454 | TIAB SA 370 | 1626 | St 37 0 | 3601 | TIAB SA 360 |
| ZPO 38 | A 135 | Gr A | (TSI 38) | 1628 | Ib 37.4 | 778 | S 360 | ||
| 1629 | St 37 0 | HFS 22 | |||||||
| 1630 | Ib 37.4 | CDS 22 | |||||||
| 17172 | TSW 240.7 | NRW 22 | |||||||
| TIAB SA 410 | A 53 | Gr B | TIAB SA 410 | 1626 | St 44 0 | 3601 | TIAB SA 360 | ||
| SIB 42 | A 135 | Gr B | (TSI 42) | 1628 | ib 44.4 | S 360 | |||
| 1629 | St 44 0 | HFS 27 | |||||||
| 1630 | ib 44.4 | CDS 27 | |||||||
| 17172 | TIAB SA 290.7 | NRW 27 | |||||||
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