Kiwango cha Kichina (GB) | Kiwango cha Marekani (ASTM) | Kiwango cha Kijapani (JIS) | British Standard (BS) | Kiwango cha Ujerumani (DIN) | Kiwango cha Kifaransa (NF) |
Q195 | - | SS330 | S185 | St1kp | - |
Q215 | GrC | SS400 | - | St2kp | - |
Q235 | GrD | SS490 | S235JR | St3kp | E24-2 |
Q255 | - | SS540 | - | St4kp | - |
Q275 | - | - | S275JR | St44-2 | E28-2 |
20# | 1020 | S20C | EN3B | C22 | XC18 |
45# | 1045 | S45C | EN8 | C45E | XC48 |
40Kr | 5140 | SCr440 | EN18A | 42CrMo4 | 42CD4TS |
20CrMo | 4119 | SCM420 | EN19 | 42CrMo4 | 42CD4TS |
35CrMo | 4135 | SCM435 | EN24 | 34CrNiMo6 | 35NCD6 |
42CrMo | 4140 | SCM440 | EN19 | 42CrMo4 | 42CD4TS |
Q195 | - | SS330 | S185 | St1kp | - |
Ikumbukwe kwamba nchi tofauti na mikoa inaweza kuwa na mfumo wao wa kiwango cha nyenzo za chuma, hivyo meza ya kulinganisha ni ya kumbukumbu tu.Katika maombi maalum, vifaa vya chuma vinavyofaa vinapaswa kuchaguliwa kulingana na mahitaji halisi na mazingira.
Muda wa kutuma: Juni-21-2023