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GB / T 14291 Tiub Keluli Welded untuk Perkhidmatan Cecair Mine
$1150.00
≥1 Ton
| Model No. : | GB/T 14291 |
|---|---|
| Brand Name : | TORICH |
| Type : | Welded |
Ningbo, Zhejiang, China
- Pengedarpemborong
- Pengilang
- Perkhidmatan
- Syarikat perdagangan
- Perkhidmatan OEM
- Pembekal Emas
- Pensijilan platform
- Ekspo dalam talian
- Video
Penerangan Produk
GB / T 14291 Tiub Keluli Welded untuk Perkhidmatan Cecair Mine
Permohonan: Angin angin, saliran, tekanan gas saliran dan pulpa yang menyampaikan dengan paip keluli yang dikimpal lurus
Saiz: L - 4 ~ 12m
OD - 21.3-660mm
WT - 2.5-14mm
Gred: Q235A, Q235B, Q295A, Q295B, Q345A, Q345B
Kaedah pembuatan: Kimpalan rintangan frekuensi tinggi
Penghantaran keadaan: paip keluli harus jahitan jahitan lurus rata penghantaran cahaya akhir.Penyediaan dan permintaan kedua-dua pihak bercakap
perkara-perkara di atas, juga boleh mengikut status penghantaran kimpalan haba kimpalan atau status lain.
JADUAL 1 Kesalahan yang dibenarkan oleh diameter luar dan ketebalan dinding
Unit: milimeter
|
Nominal outside diameter D |
Allowable deviation of outer diameter |
Permissible deviation of wall thickness |
|
D≤48.3 |
±0.50 |
±10%S |
|
48.3<D≤273 |
±1%D |
|
|
D>273 |
±0.75%D |
JADUAL 2 Harta Mekanikal
|
Grade |
Tensile strength
|
Lower yield strength |
Elongation A% Not less than |
|
|
D≤168.3 |
D>168.3 |
|||
|
Q235A,Q235B |
375 |
235 |
15 |
20 |
|
Q295A,Q295B |
390 |
295 |
13 |
18 |
|
Q345A,Q345B |
470 |
345 |
13 |
18 |
|
Note : Tensile test arbitration time is based on longitudinal sample. |
||||
JADUAL 3 Item pemeriksaan, kaedah ujian dan bilangan sampel paip keluli
|
NO |
Inspection project |
Sampling method and test method |
Sampling quantity |
|
1 |
chemical composition |
GB/T 20066,GB/T 223,GB/T 4336 |
One each furnace(canister) |
|
2 |
Tensile test |
GB/T 228,GB/T 2975 |
One each batch |
|
3 |
Tensile test |
GB/T 241 |
One by one |
|
4 |
Ultrasonic examination |
GB/T18256 |
One by one |
|
5 |
Eddy current flaw detection |
GB/T 7735 |
One by one |
|
6 |
Bending test |
GB/T 244 |
Two per batch |
|
7 |
Flattening test |
GB/T 246 |
Four each roll |
Jadual 1 Diameter Luar . Wall Thicknes . Berat Teori dan Tekanan Ujian
|
Norminal Outer Diameter(D)/mm |
Norminal Wall Thickness(S)/mm |
Theoretical Weight/(kg/m) |
Test Pressure/MPa |
||
|
Q235A.Q235B |
Q295A.Q295B |
Q345A.Q345B |
|||
|
21.3 |
2.5 |
1.16 |
15 |
15 |
15 |
|
21.3 |
3 |
1.35 |
15 |
15 |
15 |
|
21.3 |
3.5 |
1.54 |
15 |
15 |
15 |
|
25 |
2.5 |
1.39 |
15 |
15 |
15 |
|
25 |
3 |
1.63 |
15 |
15 |
15 |
|
25 |
3.5 |
1.86 |
15 |
15 |
15 |
|
25 |
4 |
2.07 |
15 |
15 |
15 |
|
26.9 |
2.5 |
1.50 |
15 |
15 |
15 |
|
26.9 |
3 |
1.77 |
15 |
15 |
15 |
|
26.9 |
3.5 |
2.02 |
15 |
15 |
15 |
|
26.9 |
4 |
2.26 |
15 |
15 |
15 |
|
31.8 |
2.5 |
1.81 |
15 |
15 |
15 |
|
31.8 |
3 |
2.13 |
15 |
15 |
15 |
|
31.8 |
3.5 |
2.44 |
15 |
15 |
15 |
|
31.8 |
4 |
2.74 |
15 |
15 |
15 |
|
33.7 |
2.5 |
1.92 |
15 |
15 |
15 |
|
33.7 |
3 |
2.27 |
15 |
15 |
15 |
|
33.7 |
3.5 |
2.61 |
15 |
15 |
15 |
|
33.7 |
4 |
2.93 |
15 |
15 |
15 |
|
38 |
2.5 |
2.19 |
15 |
15 |
15 |
|
38 |
3 |
2.59 |
15 |
15 |
15 |
|
38 |
3.5 |
2.98 |
15 |
15 |
15 |
|
38 |
4 |
3.35 |
15 |
15 |
15 |
|
40 |
2.5 |
2.31 |
15 |
15 |
15 |
|
40 |
3 |
2.74 |
15 |
15 |
15 |
|
40 |
3.5 |
3.15 |
15 |
15 |
15 |
|
40 |
4 |
3.55 |
15 |
15 |
15 |
|
42.4 |
2.5 |
2.46 |
15 |
15 |
15 |
|
42.4 |
3 |
2.91 |
15 |
15 |
15 |
|
42.4 |
3.5 |
3.36 |
15 |
15 |
15 |
|
42.4 |
4 |
3.79 |
15 |
15 |
15 |
|
48.3 |
2.5 |
2.82 |
14.6 |
15 |
15 |
|
48.3 |
3 |
3.35 |
15 |
15 |
15 |
|
48.3 |
3.5 |
3.87 |
15 |
15 |
15 |
|
48.3 |
4 |
4.37 |
15 |
15 |
15 |
|
51 |
2.5 |
2.99 |
13.8 |
15 |
15 |
Ningbo, Zhejiang, China
- Pengedarpemborong
- Pengilang
- Perkhidmatan
- Syarikat perdagangan
- Perkhidmatan OEM
- Pembekal Emas
- Pensijilan platform
- Ekspo dalam talian
- Video
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