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Condensers Tabung baja yang dilas presisi tunggal
| Model No. : | GB/T 24187 |
|---|---|
| Brand Name : | UNTUK KAYA |
| Type : | Welded |
Ningbo, Zhejiang, China
- Distributor / Grosir
- Pabrikan
- Layanan
- Perusahaan perdagangan
- Layanan OEM
- Pemasok Emas
- Sertifikasi Platform
- Ekspo online
- Video
Deskripsi Produk
Condensers Tabung baja yang dilas presisi tunggal
Aplikasi : Sangat cocok untuk presisi pipa baja lapis tunggal yang dilas presisi dingin yang digunakan dalam produksi kondensor, evaporator, pipa bahan bakar, pipa minyak pelumas, pipa panas listrik, pipa pendingin, dan pipa umum dalam pendinginan, otomotif, pemanas listrik dan lainnya. industri.
Ukuran : L - 1,4-4000m
WT - 0,3-1,3 mm
OD - 3.18-18mm
Metode pelapisan untuk pelapisan luar pipa baja : Elektroplating, plating tanpa listrik, hot dipping
Jenis, status dan kode permukaan tabung baja
| Type | State | Code |
| Bright Surface | No coating on the inner and outer surface of steel pipe | SL |
| Copper plated surface | Copper plating on the outer surface of steel tube | Cu |
| Galvanized surface | Galvanized or zinc alloy on the outer surface of steel pipe | Zn |
| Double-sided copper plating surface | The inner and outer surfaces of the steel pipe are plated with copper | Cu/Cu |
| External galvanized inner copper plating surface | Galvanized or zinc alloy on the outer surface of steel pipe, copper plating on the inner surface | Zn/Cu |
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Item Inspeksi, Metode Uji Dan Kuantitas Sampling
| NO | Inspection Items | Sampling Method ,Test Methods | Sampling Quantity |
| 1 | Chemical composition |
GB/T 223, GB/T 4336, GB/T 20066 GB/T 20123, GB/T 20126 |
Take 1 samples per furnace |
| 2 | Mechanical property | GB/T 228 | Take 1 samples per batch |
| 3 | Flattening test | GB/T 246 | Take 1 samples per furnace |
| 4 | Expansion test | GB/T 242 | Take 1 samples of two steel pipes per batch |
| 5 | Bending test | GB/T 244 | Take 1 samples per batch |
| 6 | Hydraulic test | GB/T 241 | Take 1 samples per batch |
| 7 | Flared test | Appendix A | Take 1 samples per batch |
| 8 | Requirements for the inner surface of high definition clean steel pipe | Appendix B | Consultation between Supply and demand parties |
| 9 | Outer coating | Appendix C | Consultation between Supply and demand parties |
| 10 | Residuals of internal surface cleanliness | Appendix D |
Consultation between Supply and demand parties |
Ningbo, Zhejiang, China
- Distributor / Grosir
- Pabrikan
- Layanan
- Perusahaan perdagangan
- Layanan OEM
- Pemasok Emas
- Sertifikasi Platform
- Ekspo online
- Video
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