Qib thiab tshuaj muaj pes tsawg leeg (％)
| Qib | C≤ | Si | Mn | P≤ | S≤ | Cr | Mo |
| SCM 420 TSI | 0.18 ~ ib 0.23 | 0.15~ Nws 0.35 Nws | 0.60 ~ ib 0.85 ib | 0.030 Nws | 0.030 Nws | 0.90 ~ ib 1.20 | - |
| TSI 415 TK | 0.13 ~ ib 0.18 | 0.15~ Nws 0.35 Nws | 0.60 ~ ib 0.85 ib | 0.030 Nws | 0.030 Nws | 0.90 ~ ib 1.20 | 0.15~ Nws 0.30 Nws |
| TIAB SA 418TK | 0.16 ~ ib 0.21 ib | 0.15~ Nws 0.35 Nws | 0.60 ~ ib 0.85 ib | 0.030 Nws | 0.030 Nws | 0.90 ~ ib 1.20 | 0.15~ Nws 0.30 Nws |
| SCM 420 TSI | 0.18 ~ ib 0.23 | 0.15~ Nws 0.35 Nws | 0.60 ~ ib 0.85 ib | 0.030 Nws | 0.030 Nws | 0.90 ~ ib 1.20 | 0.15~ Nws 0.30 Nws |
| SCM 430 TSI | 0.28 ~ ib 0.33 ib | 0.15~ Nws 0.35 Nws | 0.60 ~ ib 0.85 ib | 0.030 Nws | 0.030 Nws | 0.90 ~ ib 1.20 | 0.15~ Nws 0.30 Nws |
| TIAB SA 435TK | 0.33 ~ ib 0.38 ib | 0.15~ Nws 0.35 Nws | 0.60 ~ ib 0.85 ib | 0.030 Nws | 0.030 Nws | 0.90 ~ ib 1.20 | 0.15~ Nws 0.30 Nws |
| SCM 440 TSI | 0.38 ~ ib 0.43 ib | 0.15~ Nws 0.35 Nws | 0.60 ~ ib 0.85 ib | 0.030 Nws | 0.030 Nws | 0.90 ~ ib 1.20 | 0.15~ Nws 0.30 Nws |
| Nco tseg: 1. Ni raws li impurity nyob rau hauv ntau yam steel kav tsis ntau tshaj 0.25%, thiab Cu tsis tshaj 0.30%;2. Thaum tus neeg yuav khoom thov kev soj ntsuam ntawm cov khoom tiav, qhov kev tso cai sib txawv raws li tau teev tseg hauv Table 3 ntawm JIS G0321. | |||||||
Tsim: seamless yeeb nkab (kub tiav thiab txias tiav)
Loj: OD: 15.0 ~ 114mm WT: 2 ~ 20mm
Qib: SCM 415TK, SCM 420 TK.
Ntev: 6M lossis ntev raws li qhov xav tau.
Xaus: Plain End, Beveled End.
Qib
Manufacturing method code(kub tiav seamless steel yeeb nkab: SH;Cold tiav seamless steel yeeb nkab: SC)
Dimensions (nominal txoj kab uas hla X nominal phab ntsa thickness los yog sab nraud txoj kab uas hla X phab ntsa thickness)
Chaw tsim tshuaj paus lub npe los yog nws cov cim npe
-
- Tolerance ntawm OD thiab WT
Kev faib
Tolerance ntawm OD
Tolerance ntawm WT
Chav Kawm 1
D 50 m
± 0.5 hli
S 4 mm
+ 0.6 hli
-0.5 hli
50mm ≤D
± 1%
S≥4mm
+1% -12.5%
Chav kawm 2
D 50 m
± 0.25 hli
S 3 hli
± 0.3 hli
50mm ≤D
± 0.5%
S≥3mm
± 10%
Chav kawm 3
D 25 m
± 0.12 hli
S 2 mm
± 0.15 hli
40mm × D ≥25mm
± 0.15 hli
50mm * D≥40mm
± 0.18 hli
S≥2mm
± 8%
60mm * D≥50mm
± 0.20 hli
Lus Cim: Kev kam rau siab ntawm txhua phab ntsa tuab yuav tsum muab sib npaug rau ib qhov chaw kaum tawm raws li txoj cai JIS Z 8401
70mm * D≥60mm
± 0.23 hli
80mm * D≥70mm
± 0.25 hli
90mm * D≥80mm
± 0.30 hli
100mm * D≥90mm
± 0.40 hli
D≥100mm
± 0.50%
1. Lub OD kam rau ua ntawm kub tiav seamless steel yeeb nkab raws li Class12. quenched thiab tempered steel kav raws li 4 pawg.
- Tolerance ntawm OD thiab WT
