GB / T 5312 Karbon / Karbon - Tabung Baja Mangan Seamless Diminyaki
Rincian produk
stainless steel presisi tubing
,Seamless Carbon Steel tube
GB / T 5312 Karbon dan Baja Karbon-Mangan Baja Pipa dan Pipa Mulus untuk Kapal
Bahan: 320/360/410/460/490 dan seterusnya.
OD: 3-420mm
WT: 0,5-50mm
Panjangnya: 3-12m
Ciri:
Konsentrisitas yang baik
Toleransi OD dan ID yang baik
Presisi tinggi
Kualitas stabil
Kekasaran halus
JAMINAN MUTU KUALITAS
Proses produksi:
BAHAN BAKU
↓
INSPEKSI LULUS
↓
PENYIMPANAN → CUTTING → HAMMERING → LUBRICATION PICKING → CLEANING → PHOSPHORI CLEAN
↓
Berakhir, pemotongan
↓
INSPEKSI FINAL → PEMBATASAN → PENYIMPANAN
Toleransi:
Menurut tabel berikut atau permintaan pelanggan.
| Metode produksi | Ukuran (mm) | Toleransi | |
| OD | ≤159 | ± 1,0% (min. ± 0,50mm) |
| > 159 | ± 1,25% | ||
| ≤20 | + 15% (min. + 0.45mm) -10% (min. -0,30mm) | |
| > 20 | ± 10% | ||
| D≥351 | ± 15% | ||
Dingin Diambil |
| ≤30 | ± 0,20mm |
| 30 ~ 50 | ± 0,30mm | ||
| > 50 | ± 0,8% | ||
| 1.5 ~ 3 | + 12,5% -10% | |
| > 3.0 | ± 10% | ||
Properti Mechnical
| Kualitas baja | Kekuatan tekanan MPa | Kekuatan luluh MPa | Pemanjangan % |
| 320 | 320-440 | ≥195 | ≥25 |
| 360 | 360-480 | ≥215 | ≥24 |
| 410 | 410-530 | ≥235 | ≥22 |
| 460 | 460-580 | ≥265 | ≥21 |
| 490 | 490-610 | ≥285 | ≥21 |
Memproduksi metode: Hot rolling (ekstrusi), Cold draw, Cold rolling.
Ketentuan Pengiriman Teknis: Normalisasi (NBK) atau Normalisasi dan temper
Banyak digunakan di bidang: Untuk sistem pipa tekanan kapal, boiler dan superheater (tabung boiler tekanan tinggi mulus)
Standar pipa baja:
1. ASTM: ASTM A106GR.A; ASTM A106GR.B; ASTM A53GR.A; ASTM A53GR.B;
ASTM A333; ASTM A334; ASTM A192; ASTM A210;
2. JIS: G3452; G3457; G3454; G3456; G3461; G3454; G3455;
STPG38; STPG38; STS38; STPT42; STB42; STS42; STS49; STPT49
3. DIN: ST33; ST38ST35; ST42; ST45; ST52.4; ST52; TT St35N; 10Ni14; 15Mo3
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