Tempat asal:
Cina
Nama merek:
TORICH
Sertifikasi:
ISO 9001,ISO 14001,TS 16949
Nomor model:
GB / 14975
TORICH GB/T 14975 Tabung stainless steel tanpa jahitan untuk struktur
Tabel 1 Toleransi diameter luar nominal dan ketebalan dindingSatuan: mm
| Hot Roll ((Ekstrusi"Peningkatan" tabung baja | Tabung baja yang ditarik dingin (roll) | ||||||
| Dimensi | Toleransi | Dimensi | Toleransi | ||||
| PA tingkat biasa | PC Tingkat Tinggi | PA tingkat biasa | PC Tingkat Tinggi | ||||
| Diameter luar nominal D | < 76.1 | ± 1,25%D | ± 0.60 | Diameter luar nominal D | < 12.7 | ± 0.30 | ± 0.10 |
| 76.1~<139.7 | ± 0.80 | 12.7~<38.1 | ± 0.30 | ± 0.15 | |||
| 139.7~<273.1 | ±1,5%D | ± 1.20 | 38.1~<88.9 | ± 0.40 | ± 0.30 | ||
| 88.9~<139.7 | ± 0,9%D | ± 0.40 | |||||
| 273.1~<323.9 | ± 1.60 | 139.7~<203.2 | ± 0.80 | ||||
| 203.2~<219.1 | ± 1.10 | ||||||
| ≥ 323.9 | ± 0,6%D | 219.1~<323.9 | ± 1.60 | ||||
| ≥ 323.9 | ± 0,5%D | ||||||
| Ketebalan dinding nominal S | Semua Ketebalan Dinding | +15%S - 12,52%S | ± 12,5%S | Ketebalan dinding nominal S | Semua Ketebalan Dinding | + 12,5%S -10%S | ± 10%S |
Tabel 2 Toleransi ketebalan dinding minimumSatuan: mm
| Metode Produksi | Dimensi | Toleransi | |
| PA tingkat biasa | PC Tingkat Tinggi | ||
| Hot Roll ((Ekstrusi"Peningkatan" tabung baja W-H | Smenit< 15 | +27,5% Smenit 0 | +25% Smenit 0
|
| Smenit≥ 15 | +35% Smenit 0 | ||
| Tabung baja yang ditarik dingin (roll) WC | Semua Ketebalan Dinding | +22% S 0 | +20% S 0 |
Tabel 3 Kelas dan komponen kimia
| Tidak, tidak. | Unified Digital Code (Kode Digital Bersatu) | Kelas | Komponen Kimia (Fraksi Kualitas) /% | |||||||||
| C | Ya. | Mn | P | S | Tidak | Cr | Mo | Cu | N | |||
| 1 | S30210 | 12Cr18Ni9 | 0.15 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00 ~ 10.00 | 17.00~19.00 | - | - | 0.10 |
| 2 | S30408 | 06Cr19Ni10 | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00 ~ 11.00 | 18.00 ~ 20.00 | - | - | - |
| 3 | S30403 | 022Cr19Ni10 | 0.030 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00 ~ 12.00 | 18.00 ~ 20.00 | - | - | - |
| 4 | S30458 | 06Cr19Ni10N | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00 ~ 11.00 | 18.00 ~ 20.00 | - | - | 0.10 ~ 0.16 |
| 5 | S30478 | 06Cr19Ni9NbN | 0.08 | 1.00 | 2.50 | 0.040 | 0.030 | 7.50 ~ 10.50 | 18.00 ~ 20.00 | - | - | 0.15 ~ 0.30 |
| 6 | S30453 | 022Cr19Ni10N | 0.030 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00 ~ 11.00 | 18.00 ~ 20.00 | - | - | 0.10 ~ 0.16 |
| 7 | S30908 | 06Cr23Ni13 | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 12.00 ~ 15.00 | 22.00 ~ 24.00 | - | - | - |
| 8 | S31008 | 06Cr25Ni20 | 0.08 | 1.50 | 2.00 | 0.040 | 0.030 | 19.00 ~ 22.00 | 24.00~26.00 | - | - | - |
| 9 | S31252 | 015Cr20Ni18Mo6CuN | 0.02 | 0.80 | 1.00 | 0.030 | 0.010 | 17.50 ~ 18.50 | 19.50 ~ 20.50 | 6.00 ~ 6.50 | 0.50 ~ 1.00 | 0.18 ~ 0.22 |
| 10 | S31608 | 06Cr17Ni12Mo2 | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 10.00 ~ 14.00 | 16.00 ~ 18.00 | 2.00 ~ 3.00 | - | - |
| 11 | S31603 | 022Cr17Ni12Mo2 | 0.030 | 1.00 | 2.00 | 0.040 | 0.030 | 10.00 ~ 14.00 | 16.00 ~ 18.00 | 2.00 ~ 3.00 | - | - |
Tabel 4 Sifat Mekanis
| Tidak, tidak. | Nomor seri | Baja Kelas | Sifat Mekanis | Kekerasan | ||
| kekuatan tarik Rm/MPa | kekuatan elongasi Rp0.2/MPa | peregangan setelah patah tulang A/% | HBW/HV/HRB | |||
| ≥ | ≤ | |||||
| 1 | S30210 | 12Cr18Ni9 | 520 | 205 | 35 | 192HbW/200HV/90HRB |
| 2 | S30438 | 06Cr19Ni10 | 520 | 205 | 35 | 192HbW/200HV/90HRB |
| 3 | S30403 | 022Cr19Ni10 | 480 | 175 | 35 | 192HbW/200HV/90HRB |
| 4 | S30458 | 06Cr19Ni10N | 550 | 275 | 35 | 192HbW/200HV/90HRB |
| 5 | S30478 | 06Cr19Ni9NbN | 685 | 345 | 35 | - |
| 6 | S30453 | 022Cr19Ni10N | 550 | 245 | 40 | 192HbW/200HV/90HRB |
| 7 | S30908 | 06Cr23Ni13 | 520 | 205 | 40 | 192HbW/200HV/90HRB |
| 8 | S31008 | 06Cr25Ni20 | 520 | 205 | 40 | 192HbW/200HV/90HRB |
| 9 | S31252 | 015Cr20Ni18Mo6CuN | 655 | 310 | 35 | 220HbW/230HV/96HRB |
| 10 | S31608 | 06Cr17Ni12Mo2 | 520 | 205 | 35 | 192HbW/200HV/90HRB |
| 11 | S31603 | 022Cr17Ni12Mo2 | 480 | 175 | 35 | 192HbW/200HV/90HRB |
| 12 | S31609 | 07Cr17Ni12Mo2Ti | 515 | 205 | 35 | 192HbW/200HV/90HRB |
| 13 | S31668 | 06Cr17Ni12Mo2N | 530 | 205 | 35 | 192HbW/200HV/90HRB |
| 14 | S31653 | 022Cr17Ni12Mo2N | 550 | 245 | 40 | 192HbW/200HV/90HRB |
| 15 | S31658 | 06Cr17Ni12Mo2N | 550 | 275 | 35 | 192HbW/200HV/90HRB |
| 16 | S31688 | 06Cr18Ni12Mo2Cu2 | 520 | 205 | 35 | - |
| 17 | S31683 | 022Cr18Ni14Mo2Cu2 | 480 | 180 | 35 | - |
| 18 | S31782 | 015Cr21Ni26Mo5Cu2 | 490 | 215 | 35 | 192HbW/200HV/90HRB |
Tabel 5 Item pengujian dan jumlah pengambilan sampel tabung baja
| Nomor | Item pengujian | Jumlah sampel |
| 1 | Komposisi kimia | 1 sampel dari setiap tungku |
| 2 | Uji tarik | 1 sampel dari masing-masing dua tabung baja pada setiap batch |
| 3 | Uji kekerasan | 1 sampel dari masing-masing dua tabung baja pada setiap batch |
| 4 | Pengujian ultrasonik | Semua |
| 5 | Uji hidraulik | Semua |
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