Pipa Baja Seamless Kanggo Retakan Petroleum, GB9948-2006, Pipa Sanon
| Standar:GB9948-2006 | Perawatan Panas: Anil/normalisasi/Tempering |
| Kelompok Kelas: 10, 12CrMo, 15CrMo, 07Crl9Nil0, lsp. | Diameter Luar (Bunder): 10 - 1000 Mm |
| Kekandelan: 1 - 100 mm | Aplikasi: tabung penukar panas |
| Diameter Luar (Bunder): 10 - 1000 mm | Perawatan Permukaan: Minangka Kebutuhan Pelanggan |
| Dawane: Dawane tetep utawa dawane acak | Teknik: Gulung Panas |
| Wangun Bagean: Bunder | Pipa Khusus: Pipa Dinding Kandel |
| Panggonan Asal: Tiongkok | Panggunaan: tabung penukar panas |
| Sertifikasi: ISO9001:2008 | Tes:UT/MT |
Tabung baja seamless kanggo retak petroleum bisa ditrapake kanggo tabung baja seamless kanggo tabung tungku, tabung penukar panas, lan pipa tekanan ing industri petrokimia.
Baja struktural karbon kualitas dhuwur yaiku 20g, 20mng lan 25mng.
Kelas baja struktural paduan: 15mog, 20mog, 12crmog
15CrMoG, 12Cr2MoG, 12CrMoVG, lan liya-liyane
Kelas baja struktural karbon kualitas dhuwur: 10#、20#
Baja struktural karbon kualitas dhuwur: 20g, 20mng lan 25mng
Kelas baja struktural paduan: 15mog, 20mog, 12crmog, 15CrMoG, 12Cr2MoG, lan liya-liyane
| No | Kelas | Komponen Kimia % | |||||||||||
| C | Si | Mn | Cr | Mo | Ni | Nb | Ti | V | Cu | P | S | ||
| ≤ | |||||||||||||
| Baja Struktural Karbon Kualitas Tinggi | 10 | 0. 07-0.13 | 0.17 -0.37 | 0.35 -0.65 | <0.15 | <0.15 | <0.25 | — | — | <0.08 | <0.20 | 0.025 | 0.015 |
| 20 | 0.17-0.23 | 0.17 -0.37 | 0.35 -0.65 | <0.25 | <0.15 | <0.25 | — | — | <0.08 | <0.20 | 0.025 | 0.015 | |
| Baja Struktural Paduan | 12CrMo | 0. 08-0.15 | 0.17 -0.37 | 0. 40-0. 70 | 0. 40-0. 70 | 0.40 -0.55 | <0.30 | — | — | 一 | <0.20 | 0.025 | 0.015 |
| 15CrMo | 0.12 -0.18 | 0.17-0.37 | 0.40 -0.70 | 0. 80-1.1 | 0. 40-0.55 | <0.30 | — | — | 一 | <0.20 | 0.025 | 0.015 | |
| 12CrlMo | 0. 08 -0.15 | 0.50 -1.00 | 0. 30-0.6 | 1.00-1.50 | 0.45 -0.65 | <0.30 | — | — | — | <0, 20 | 0.025 | 0.015 | |
| 12CrlMoV | 0. 08-0.15 | 0.17-0.37 | 0. 40-0. 70 | 0.90-1.2 | 0.25 -0.35 | <0.30 | — | — | 0.15 -0.30 | <0.20 | 0.025 | 0.010 | |
| 12Cr2Mo | 0.08-0.15 | <0.50 | 0. 40-0. 60 | 2.00-2.50 | 0. 90-1.13 | <0.30 | — | — | 一 | <0.20 | 0.025 | 0.015 | |
| 12Cr5MoI | <0.15 | <0.50 | 0.30-0.6 | 4. 00-6 | 0.45 -0.60 | <0.60 | — | — | <0.20 | 0.025 | 0.015 | ||
| 12Cr5MoNT | |||||||||||||
| 12Cr9MoI | <0.15 | 0. 25-1. 00 | 0. 30-0. 60 | 8.00 -10.00 | 0. 90-1.1 | <0.60 | — | — | — | <0.20 | 0.025 | 0, 015 | |
| 12Cr9MoNT | |||||||||||||
| Baja Tahan Panas Tahan Karat | 07Crl9Nil0 | 0. 04-0.1 | <1.00 | <2.00 | 18.00-20.00 | — | 8. 00-11 | — | — | — | — | 0.030 | 0.015 |
| 07Crl8NillNb | 0. 04-0.1 | <1.00 | <2.00 | 17.00-19.00 | — | 9.00-12.00 | 8C-1.1 | — | — | — | 0.030 | 0.015 | |
| 07Crl9NillTi | 0. 04-0.1 | <0.75 | <2.00 | 17.00-20.00 | — | 9.00~13.00 | — | 4C-0.60 | 一 | 一 | 0.03 | 0.015 | |
| 022Crl7Nil2Mo2 | <0.030 | <1.00 | <2.00 | 16.00-18.00 | 2.00-3.00 | 10.00 -14.00 | — | 一 | 一 | — | 0.03 | 0.015 | |
| Ora | Tarik MPa | Asil panen MPa | Elong sawise fraktur A/% | Energi penyerapan shock kv2/j | Angka kekerasan Brinell | ||
| potret | transver | potret | transver | ||||
| ora kurang saka | ora luwih saka | ||||||
| 10 | 335 ~ 475 | 205 | 25 | 23 | 40 | 27 | |
| 20 | 410~550 | 245 | 24 | 22 | 40 | 27 | |
| 12CrMo | 410~560 | 205 | 21 | 19 | 40 | 27 | 156 HBW |
| 15CrMo | 440~640 | 295 | 21 | 19 | 40 | 27 | 170 HBW |
| 12CrlMo | 415-560 | 205 | 22 | 20 | 40 | 27 | 163 HBW |
| 12CrlMoV | 470~640 | 255 | 21 | 19 | 40 | 27 | 179 HBW |
| 12Cr2Mo | 450~600 | 280 | 22 | 20 | 40 | 27 | 163 HBW |
| 12Cr5MoI | 415-590 | 205 | 22 | 20 | 40 | 27 | 163 HBW |
| 12Cr5MoNT | 480~640 | 280 | 20 | 18 | 40 | 27 | — |
| 12Cr9MoI | 460~640 | 210 | 20 | 18 | 40 | 27 | 179 HBW |
| 12Cr9MoNT | 590—740 | 390 | 18 | 16 | 40 | 27 | |
| O7Crl9NilO | 2520 | 205 | 35 | 187 HBW | |||
| 07Crl8NillNb | >520 | 205 | 35 | — | 187 HBW | ||
| 07Crl9NillTi | >520 | 205 | 35 | — | — | 187 HBW | |
| 022Crl7Nil2Mo2 | >485 | 170 | 35 | 一 | — | 187 HBW | |
| Kanggo baja kanthi kekandelan tembok kurang saka 5mm, aja nglakoni eksperimen kekerasan. | |||||||
Tes hidrolik
Tes hidrolik kudu ditindakake kanggo pipa baja siji-siji. Tekanan uji maksimal yaiku 20 MPa. Ing tekanan uji, wektu stabilisasi ora kurang saka 10 detik, lan bocor pipa baja ora diidini.
Tes perataan
Tes perataan kudu ditindakake kanggo pipa baja kanthi diameter njaba luwih saka 22 mm
Tes pembakaran
Baja struktural karbon kualitas dhuwur lan pipa baja tahan karat (tahan panas) kanthi diameter njaba ora luwih saka 76 mm lan kekandelan tembok ora luwih saka 8 mm kudu diuji ekspansi. Tes flaring kudu ditindakake ing suhu ruangan. Tingkat flaring diameter njaba sampel sawise taper inti ndhuwur yaiku 60% saka flaring kudu memenuhi syarat tabel 7. Ora ana retakan utawa retakan sing diidini ing sampel sawise flaring. Miturut syarat saka sing nuntut lan kacathet ing kontrak, baja struktural paduan uga bisa digunakake kanggo uji ekspansi.
Testis non-destruktif
Pipa baja kudu dideteksi cacat ultrasonik siji-siji miturut pranata GB/T 5777-2008. Miturut syarat saka sing nuntut, tes non-destruktif liyane bisa ditambahake sawise negosiasi antarane supplier lan sing nuntut lan dituduhake ing kontrak.
Uji korosi intergranular
Uji korosi intergranular kudu ditindakake kanggo pipa baja tahan karat (tahan panas). Cara uji kasebut kudu miturut pranata metode E Tiongkok ing GB / T 4334-2008, lan kecenderungan korosi intergranular ora diidini sawise uji kasebut.
Sawise rembugan antarane supplier lan pihak sing nuntut, lan kacathet ing kontrak, pihak sing nuntut bisa nemtokake metode uji korosi liyane.
Boiler lenga, petrokimia, tekanan tinggi, panggunaan khusus boiler tabung seamless, tabung baja seamless geologi lan tabung seamless lenga.
Komponen Kimia
| merek | Komponen Kimia(%) | ||||||||
| C | Mn | Si | Cr | Mo | Ni | Nb+Ta | S | P | |
| 15CrMo | 0.12~0.18 | 0.40~0.70 | 0.17~0.37 | 0.80~1.10 | 0.40~0.55 | ≤0.30 | _ | ≤0.035 | ≤0.035 |
Sifat Mekanik
| merek | Tarik MPa | Asil panen MPa | Pemanjangan (%) |
| 15CrMo | 440~640 | 295 | 22 |




