30CrMoE 42CrMoE Hot Rolled / Dingin Diambil Tabung Mulus OD 356-1000mm GB28884
Rincian produk
Pipa baja mulus
,Seamless Carbon Steel tube
Nama produk: GB28884 30CrMoE, 42CrMoE Tabung baja tanpa jahitan untuk Silinder Gas Volume Besar 300-3000L
Jangkauan ukuran:O.D.: 356-1000mm W.T.: 1-100mm L:max12000mm
Bahan:30CrMoE, 42CrMoE
Aplikasi:untuk Aplikasi Botol Gas Volume Besar 300-3000L, Botol Minyak/Botol Teleskop, tujuan mekanik dan teknik umum.
Toleransi:
| Kategori | Ukuran | Toleransi |
| Diameter luar ((D) | - | ± 1%D |
| Ketebalan dinding minimum ((Smin) | D≤559 | +25%Smin 0 |
| D> 559 | +27,5%Smin 0 | |
| Ketebalan dinding ((S) | D≤559 | + 12,5%S -10%S |
| D> 559 | ± 12,5%S |
Kelas baja dan komponen kimia
| Tidak, tidak. | Kelas | Kelompok | Komponen kimia, % | ||||||||
| C | Ya. | Mn | P | S | Cr | Mo | Tidak | Cu | |||
| 1 | 30CrMoE | 1a | 0.25 ~ 0.35 | 0.15 ~ 0.35 | 0.40 ~ 0.90 | ≤ 0.020 | ≤ 0.010 | 0.80 ~ 1.10 | 0.15 ~ 0.25 | ≤ 0.30 | ≤ 0.20 |
| 2 | 2 | 0.26 ~ 0.34 | 0.17 ~ 0.37 | 0.40 ~ 0.70 | ≤ 0.020 | ≤ 0.010 | 0.80 ~ 1.10 | 0.15 ~ 0.25 | ≤ 0.30 | ≤ 0.20 | |
| 3 | 42CrMoE | 1b | 0.40 ~ 0.45 | 0.15 ~ 0.35 | 0.75 ~ 1.00 | ≤ 0.020 | ≤ 0.010 | 0.80 ~ 1.10 | 0.15 ~ 0.25 | ≤ 0.30 | ≤ 0.20 |
| 4 | 2 | 0.38 ~ 0.45 | 0.17 ~ 0.37 | 0.50 ~ 0.80 | ≤ 0.020 | ≤ 0.010 | 0.90 ~ 1.20 | 0.15 ~ 0.25 | ≤ 0.30 | ≤ 0.20 | |
| aGrade30CrMoE group1 setara dengan 4130X. bGrade42CrMoE kelompok1 setara dengan 4142 | |||||||||||
Properti Mekanis:
| Baja Kelas | Kekuatan tarik
Ra / MPa | Kekuatan hasil yang lebih rendah atau perpanjangan plastisitas tertentu
ReL atau Rp0.2a/ MPa | persentase elongasi setelah patah tulang
A50 mma/ % | Rasio hasil
(RL/ Ra atauRp0.2/ Ra)/% | Kekerasan HBW | -40°CEnergi penyerapan kejut KV2/ J | |
| Rata-rata | Sampel tunggal | ||||||
| 30CrMoEb | ≥720 | ≥ 485 | ≥ 20 | ≤ 86 | ≤ 269 | ≥ 40 | ≥32 |
| 42CrMoEc | ≥ 930 | ≥ 760 | ≥ 16 | - | ≤330 | ≥ 40 | ≥32 |
| 30CrMoEmesin propertisama dengan 4130X 42CrMoEmesin propertisama dengan 4142 | |||||||
KONTROL KUALITAS
1~ Pemeriksaan bahan baku yang masuk
2~ Pengelompokan bahan baku untuk menghindari campuran kelas baja
3~ Pemanasan dan Pencakar ujung untuk menggambar dingin
4~ Menggambar dingin dan penggulung dingin, pemeriksaan di jalur
5~ Pengolahan panas, +A, +SRA, +LC, +N, Q+T
6~ Perataan-Potong ke panjang yang ditentukan-Pengukuran selesai
7~ Pengujian mekanik di laboratorium sendiri dengan kekuatan tarik, kekuatan hasil, elongasi, kekerasan, dampak, struktur mikro dll
8~ Pengemasan dan Pengepakan.
100% dari tabung baja kami diperiksa dimensi
100% tabung baja kami diperiksa secara visual untuk memastikan mereka memiliki kondisi permukaan yang sempurna dan tidak ada cacat permukaan.
Uji arus pusaran 100% dan uji ultrasonik untuk menghilangkan cacat longitudinal dan transversal.
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