GB / T 9808-2008 Pipa Baja Seamless
Rincian produk
2008 Pipa Baja Tanpa Jahitan
,GB/T 9808 Pipa baja tanpa jahitan
GB/T 9808-2008 Pipa baja tanpa jahitan untuk bor geologi dan tabung pertambangan
Deskripsi produk:
Standar ini menentukan kode pengeboran tanpa jahitan, urutan isi, dimensi, berat, , persyaratan teknis, metode pengujian, penandaan dan sertifikasi kualitas, kemasan, aturan pemeriksaan penampilan.Pengeboran hidrogeologis, bahan pengeboran casing, bahan inti tabung dan bahan dengan kerah casing baja tanpa jahitan, sendi alat pipa bor biasa bahan baku dan pipa baja tanpa jahitan,Partikel baja Bahan pengeboran pipa baja tanpa jahitan, tali core pengeboran pipa alat sendi bahan pangan dan pipa baja tanpa jahitan, collar bor, collar bor kunci konektor bahan pangan dan pipa baja tanpa jahitan.
Komposisi kimia
| Kelas Stee | C | Ya. | Mn | P max | S max | Cu max | Cr | Mo | B |
| T600 (45MnMoB) | 0.43-0.48 | 0.17-0.37 | 1.05-1.35 | 0.02 | 0.015 | 0.20 | ~ | 0.20-0.25 | 0.001- 0.005 |
| T750 (30CrMnSiA) | 0.28-0.34 | 0.90-1.20 | 0.80-1.10 | 0.02 | 0.015 | 0.20 | 0.8-1.1 | ~ | ~ |
| T850 4140 | 0.38-0.43 | 0.17-0.35 | 0.70-0.90 | 0.02 | 0.015 | 0.20 | 0.9-1.1 | 0.15- 0.25 | ~ |
Toleransi
| Standar | Metode produk | Ukuran tabung | Toleransi | |
| GB/T 9808-2008 | Bergelombang panas | OD | (+1,0%D) +0.65 (-0,5%D) -0.35 | |
| WT | ≤10 | (+15%S) +0.45 (-10%S) -0.35 | ||
| > 10 | (+ 12,5%S, - 10%S) | |||
| Ditarik dengan dingin | OD | ±0,50%D atau ±0.20 | ||
| WT | ± 8%S atau ± 0.15 | |||
| Q ((N) / T118-2010 | Ditarik dengan dingin | OD | OD | ±0,40%D atau ±0.20 |
| WT | WT | ± 7%S atau ± 0.15 | ||
Tabel perbandingan nilai
| Standar ini | JIS G 3465-2006 | Standar industri terkait |
| ZT380 | ️ | DZ240 |
| ZT490 | ️ | DZ250 |
| ZT520 | STM-R780 | ️ |
| ZT540 | ️ | DZ255 |
| ZT590 | ️ | DZ260 |
| ZT640 | ️ | DZ265 |
| ZT740 | ️ | DZ275 |
Sifat Mekanis:
| Baja | Kekuatan tarik Mpa | Titik Hasil Mpa | Elongasi % | Pengolahan panas |
| Kelas | menit | |||
| ZT380 | 640 | 380 | 14 | Dinormalkan |
| ZT490 | 690 | 490 | 12 | Dinormalkan |
| ZT540 | 740 | 590 | 12 | Dinormalkan |
| ZT590 | 770 | 590 | 12 | Dinormalkan |
| ZT640 | 790 | 640 | 12 | QT |
| ZT740 | 840 | 740 | 10 | QT |
| T850 | 950 | 850 | 15 | QT |
Gambar produk:
Pengantar Perusahaan:
FAQ:
T: Apakah Anda perusahaan dagang atau produsen?
A: Kami adalah produsen pipa baja profesional.
T: Berapa lama waktu pengiriman Anda?
A: Umumnya dibutuhkan 7-14 hari jika barang ada di stok atau 30-60 hari jika tidak ada stok, ini terutama tergantung pada kuantitas.
Q: Apakah Anda menyediakan sampel gratis?
A: Ya,kami bisa menawarkan sampel gratis tetapi perlu membayar biaya pengiriman.
T: Apa syarat pembayaran Anda?
A:Pembayaran <=1000USD, 100% di muka. Pembayaran>=1000USD, 30% T / T di muka, saldo sebelum pengiriman.
Jika Anda memiliki pertanyaan lain, pls merasa bebas untuk menghubungi kami.
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