Presisi Tinggi 10 # 45 # 20Mn 25Mn Q235 Q345 Pipa Baja Mulus GB / T 8162
Rincian produk
Pipa baja mulus
,Seamless Carbon Steel tube
GB/T 8162 Bahan 10# 45# 20Mn 25Mn Q235 Q345 Tabung Baja Tanpa Jahit untuk Tujuan Struktural
Bahan:10# 20# 45# 20Mn 25Mn Q235 Q345
Jangkauan Ukuran:
OD:3-1200mm, WT:0.5-200mm, Panjang Umum: 3-12m
Toleransi:
Menurut tabel berikut atau permintaan pelanggan.
Karakteristik:
Konsentrisitas yang baik
Toleransi OD dan ID yang baik
Keakuratan Tinggi
Kualitas stabil
Kerontokan yang halus
TORICH Jaminan Kualitas
Toleransi OD & WT:
Toleransi OD:
| Metode Produksi | Toleransi OD |
| Hot Rolling (Ekstrusi) | ± 1% atau ± 0,50 mm |
| Ditarik dingin ((Dilapisi dingin)) | ± 1% atau ± 0,30 mm |
Toleransi untuk ketebalan dinding:
1Toleransi ketebalan dinding tabung baja Hot Rolling:
| Metode Produksi | OD (DN) | WT/OD | Toleransi |
| Tabung yang diekstrusi | ≤102 | / | ± 12,5% atau ± 0,40 mm |
| >102 | ≤ 0.05 | ±15% atau ±0,40mm | |
| > 0,05-0.10 | ± 12,5% atau ± 0,40 mm | ||
| > 0.10 | + 12,5% -10% | ||
| Tabung baja yang dapat memperluas panas | / | ± 15% | |
2Toleransi ketebalan dinding dari tabung baja Cold Drawn:
| Metode Produksi | WT | Toleransi |
| Tabung baja yang ditarik dingin (dilempar dingin) | ≤3 | +15%/-10% atau ±0,40mm |
| >3 | + 12,5% -10% |
Toleransi lentur:
WT≤15mm, Bending≤1.5mm/m
WT>15mm~30mm, Bending≤2.0mm/m
WT>30mm/OD≥351mm, Bending≤3.0mm/m
Ovalitas dan ketidakseimbangan dinding:
Ovalasi dan ketidaksetaraan dinding seharusnya tidak lebih dari 80% dari OD dan ketebalan dinding.
sifat mekanik
| Kelas baja | Kekuatan tarik Rm N/mm2 ((MPa) | Kekuatan Hasil Rp0.2 N/mm2 ((MPa) | Perpanjangan A % | |||
| Ketebalan dinding | ||||||
| ≤ 16mm | > 16 ~ 30mm | > 30 mm | ||||
| 10 | ≥335 | ≥205 | ≥195 | ≥185 | ≥ 24 | |
| 15 | ≥ 375 | ≥ 225 | ≥215 | ≥205 | ≥ 22 | |
| 20 | ≥410 | ≥ 245 | ≥235 | ≥ 225 | ≥ 20 | |
| 25 | ≥ 450 | ≥ 275 | ≥265 | ≥255 | ≥ 18 | |
| 35 | ≥510 | ≥305 | ≥295 | ≥ 285 | ≥ 17 | |
| 45 | ≥ 590 | ≥335 | ≥325 | ≥ 315 | ≥ 14 | |
| 20Mn | ≥ 450 | ≥ 275 | ≥265 | ≥255 | ≥ 20 | |
| 25Mn | ≥490 | ≥295 | ≥ 285 | ≥ 275 | ≥ 18 | |
| Q235 | A | 375 ~ 500 | ≥235 | ≥ 225 | ≥215 | ≥ 25 |
| B | ||||||
| C | ||||||
| D | ||||||
| Q275 | A | 415 ~ 540 | ≥ 275 | ≥265 | ≥255 | ≥ 22 |
| B | ||||||
| C | ||||||
| D | ||||||
| Q295 | A | 390 ~ 570 | ≥295 | ≥ 275 | ≥255 | ≥ 22 |
| B | ||||||
| Q345 | A | 470 ~ 630 | ≥ 345 | ≥325 | ≥295 | ≥ 20 |
| B | ||||||
| C | ≥ 21 | |||||
| D | ||||||
| E | ||||||
| Q390 | A | 490 ~ 650 | ≥390 | ≥370 | ≥ 350 | ≥ 18 |
| B | ||||||
| C | ≥ 19 | |||||
| D | ||||||
| E | ||||||
| Q420 | A | 520 ~ 680 | ≥420 | ≥ 400 | ≥380 | ≥ 18 |
| B | ||||||
| C | ≥ 19 | |||||
| D | ||||||
| E | ||||||
| Q460 | C | 550 ~ 720 | ≥460 | ≥440 | ≥420 | ≥ 17 |
| D | ||||||
| E | ||||||
Tes:
- Uji lentur
- Uji kekerasan
- Uji dampak
- Uji memeras
- Uji tidak merusak
Pengolahan:
Bahan baku
↓
Inspeksi yang datang
↓
Penyimpanan→Pemotongan→PEMALANGAN→Pengolahan LUBRIKASI→Pembersihan→PHOSPHORI CLEAN
↓
PEMUTUSAN ◄ PEMUTUSAN ◄ PENGURUSAN ◄ PENGURUSAN ◄ PEMUTUSAN ◄ PEMUTUSAN ◄ PEMUTUSAN ◄ PEMUTUSAN
↓
INSPEKSI FINAL→PEMBUNJUKAN→PENGALANGAN
Kondisi teknis pengiriman:Pengolahan panas dengan Gulung Panas & Ditarik Dingin
Banyak digunakan di bidang:Pengangkutan air,gas,minyak dll
Gambar produk:
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