GB28884 300-3000L Tabung Baja Seamless Untuk Tabung Gas Volume Besar
Rincian produk
Pipa baja mulus
,Seamless Carbon Steel tube
GB28884 300-3000L tabung baja tanpa jahitan untuk tabung gas bervolume besar
Aplikasi:
Produksi tabung gas dengan volume 300L ~ 3000L
ukuran:
Panjang: 4-12m
OD:80-1200mm
WT:4-100mm
Metode pemurnian baja:
Baja diproses oleh tungku busur listrik dan pemurnian di luar pemurnian furance dan vakum,atau pemurnian konverter oksigen di luar tungku dan pemurnian vakum.
Metode pembuatan tabung baja:
Pipa baja dalam keadaan bergelombang panas, ditarik dingin atau ditarik dingin setelah pengiriman pada kondisi perawatan panas.
Kualitas permukaan:
Tidak ada retakan, lipatan, delaminasi dan bekas luka pada permukaan dalam dan luar.
Titik uji:
Uji tarik
Uji kekerasan
Uji dampak
Uji inklusi non-logam
Uji ukuran butir
Deteksi cacat ultrasonik
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 | |||||||||||
Sifat Mekanis
| Kelas | Kekuatan tarik RaMPa | Kekuatan hasil yang lebih rendah atau perpanjangan plastisitas tertentu ReL atau Rp0.2aMPa | persentase elongasi setelah patah tulang A50 mma% | rasio hasil (RL/ Raatau Rp0.2/ Ra) % | Kekerasan HBW | - 10oCS Energi penyerapan kejut KV2J | |
| Rata-rata | Satu sampel | ||||||
| 30CrMoEb | ≥720 | ≥ 485 | ≥ 20 | ≤ 86 | ≤ 269 | ≥ 40 | ≥32 |
| 42CrMoEc | ≥ 930 | ≥ 760 | ≥ 16 | - | ≤330 | ≥ 40 | ≥32 |
| b30CrMoE sifat mekanik adalah setara dengan 4130X c42CrMoE memiliki sifat mekanik yang setara dengan 4142 | |||||||
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