Kelas sareng Komposisi Kimia (%)
Kelas | C≤ | Si | Mn | P≤ | S≤ | Cr | Mo |
SCM 420TK | 0.18~ 0.23 | 0.15~ 0.35 | 0.60~ 0.85 | 0.030 | 0.030 | 0.90~ 1.20 | - |
SCM 415TK | 0.13~ 0.18 | 0.15~ 0.35 | 0.60~ 0.85 | 0.030 | 0.030 | 0.90~ 1.20 | 0.15~ 0.30 |
SCM 418TK | 0.16~ 0.21 | 0.15~ 0.35 | 0.60~ 0.85 | 0.030 | 0.030 | 0.90~ 1.20 | 0.15~ 0.30 |
SCM 420TK | 0.18~ 0.23 | 0.15~ 0.35 | 0.60~ 0.85 | 0.030 | 0.030 | 0.90~ 1.20 | 0.15~ 0.30 |
SCM 430 TK | 0.28~ 0.33 | 0.15~ 0.35 | 0.60~ 0.85 | 0.030 | 0.030 | 0.90~ 1.20 | 0.15~ 0.30 |
SCM 435TK | 0.33~ 0.38 | 0.15~ 0.35 | 0.60~ 0.85 | 0.030 | 0.030 | 0.90~ 1.20 | 0.15~ 0.30 |
SCM 440TK | 0.38~ 0.43 | 0.15~ 0.35 | 0.60~ 0.85 | 0.030 | 0.030 | 0.90~ 1.20 | 0.15~ 0.30 |
Catetan: 1. Ni salaku impurity dina sagala rupa pipa baja teu ngaleuwihan 0,25%, sarta Cu teu ngaleuwihan 0,30%;2. Nalika purchaser requests analisis produk rengse, simpangan allowable sakumaha dieusian dina Table 3 JIS G0321. |
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Pabrik: pipa seamless (panas rengse tur tiis rengse)
Ukuran: OD: 15.0 ~ 114mm WT: 2 ~ 20mm
Kelas: SCM 415TK, SCM 420 TK.
Panjangna: 6M atawa panjangna ditangtukeun sakumaha diperlukeun.
Tungtung: Tungtung Polos, Tungtung Beveled.
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Kelas
Kodeu métode pabrik (panas rengse pipe baja seamless: SH;Tiis rengse pipa baja seamless: SC)
Dimensi (diaméter nominal X ketebalan témbok nominal atawa diaméter luar X ketebalan témbok)
Ngaran pabrik atanapi merek idéntifikasi na
-
- Toleransi OD sareng WT
Divisi
Toleransi dina OD
Toleransi dina WT
Kelas 1
D <50m
± 0,5 mm
S ~ 4 mm
+0,6 mm
-0,5 mm
50mm≤D
± 1%
S≥4mm
+1% -12,5%
Kelas 2
D <50m
± 0,25 mm
S ~ 3 mm
± 0,3 mm
50mm≤D
± 0,5%
S≥3mm
± 10%
Kelas 3
D <25m
± 0,12 mm
S ~ 2 mm
± 0,15 mm
40mm>D≥25mm
± 0,15 mm
50mm>D≥40mm
± 0,18 mm
S≥2mm
± 8%
60mm>D≥50mm
± 0,20 mm
Catetan: kasabaran dina unggal ketebalan témbok bakal dibuleudkeun ka hiji tempat desimal luyu jeung aturan a JIS Z 8401
70mm>D≥60mm
± 0,23 mm
80mm>D≥70mm
± 0,25 mm
90mm>D≥80mm
± 0,30 mm
100mm>D≥90mm
± 0,40 mm
D≥100mm
± 0,50%
1. The kasabaran OD of finish panas pipe baja seamless nurutkeun Class12. Quenched na tempered pipa baja nurutkeun 4 kategori.
- Toleransi OD sareng WT
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