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Model No. : | GB/T13793 |
---|---|
Brand Name : | Zenginlere |
Type : | Welded |
Ningbo, Zhejiang, China
Ürün Açıklaması
Ürün Adı : TORICH GB / T13793 Malzeme 10 # 15 # 20 # Q195 Uzunlamasına Elektrik Direnci Kaynaklı 215A 235A Çelik Borular
Standart : GB / T13793
Beden Aralığı : OD: 5-711mm WT: 0.5-50mm Uzunluk : 4-12mm veya müşterilerin gerçek uygulama ve üretim göre.
Uygulama : İnşaat Yapısı, Sıvı Taşımacılık
Çelik Sınıfı : 10 # 15 # 20 # Q195 / Q235 / Q345 / Q390 / Q420
Teknoloji : HFRW
Karakteristik:
Iyi konsantriklik
Iyi yüzey kalitesi
İyi OD ve ID toleransı
Yüksek hassasiyet
Istikrarlı kalite
Pürüzsüz Pürüzlülük
TORICH KALİTE GÜVENCE
Çin Kaynaklı Çelik Boru üreticisi, yüksek kaliteli Spiral Kaynaklı Çelik Boru, Yüksek Frekans Kaynaklı Çelik Boru, Siyah Karbon Çelik Kaynaklı Boru, Oval çelik boru vb.
Tablo 1 Dış Çap Biriminin Toleransı : mm
Outer Diameter(D) |
General Precesion(PD.A)a |
Higher Precision(PD.B) |
High Precision(PD.C) |
5-20 |
±0.30 |
±0.15 |
±0.05 |
﹥20-35 |
±0.40 |
±0.20 |
±0.10 |
>35-50 |
±0.50 |
±0.25 |
±0.15 |
>50-80 |
±1%D |
±0.35 |
±0.25 |
>80-114.3 |
±0.60 |
±0.40 |
|
>114.3-168.3 |
±0.70 |
±0.50 |
|
>168.3-219.1 |
±0.80 |
±0.60 |
|
>219.1-711 |
±0.75%D |
±0.5%D |
|
a Not apply for steel pipe for roller of belt conveyor |
Tablo 2 Duvar Kalınlığı Ünitesinin Toleransı : mm
Wall Thickness(t) |
General Precesion(PD.A)a |
Higher Precision(PD.B) |
High Precision(PD.C) |
Non-uniform Wall Thicknessb |
0.50-0.70 |
±0.10 |
±0.04 |
±0.03 |
≤7.5%t |
>0.70-1.0 |
±0.05 |
±0.04 |
||
>1.0-1.5 |
±0.06 |
±0.05 |
||
>1.5-2.5 |
±10%t |
±0.12 |
±0.06 |
|
>2.5-3.5 |
±0.16 |
±0.10 |
||
>3.5-4.5 |
±0.22 |
±0.18 |
||
>4.5-5.5 |
±0.26 |
±0.21 |
||
>5.5 |
±7.5%t |
±5.0%t |
||
a Not apply for steel pipe for roller of belt conveyor b Not apply for General Precesion steel tube. Non-uniform Wall Thickness means the difference between maximum and minimum values of measured wall thickness on the same cross section. |
Tablo 3 Çelik Borunun Bükülmesi
Outer Diameter(D)/mm |
Bending/(mm/m),No more than |
||
General Precesion(PD.A) |
Higher Precision(PD.B) |
High Precision(PD.C) |
|
>16 |
1.5 |
1.0 |
0.5 |
Tablo 4 İç Çapak Biriminin Yüksekliği : mm
General Precesion |
Higher Precision |
High Precision |
+0.50 -0.20 |
+0.50 -0.05 |
+0.20 -0.05 |
Tablo 5 Galvanizli çelik boru ağırlık katsayısı
Wall thickness t/mm |
1.2 |
.14 |
1.5 |
1.6 |
1.8 |
2.0 |
2.2 |
2.5 |
2.8 |
3.0 |
3.2 |
3.5 |
|
Coefficient c |
A |
1.106 |
1.091 |
1.085 |
1.080 |
1.071 |
1.064 |
1.058 |
1.051 |
1.045 |
1.042 |
1.040 |
1.036 |
Coefficient c |
B |
1.085 |
1.073 |
1.068 |
1.064 |
1.057 |
1.051 |
1.046 |
1.041 |
1.036 |
1.034 |
1.032 |
1.029 |
Coefficient c |
C |
1.064 |
1.055 |
1.051 |
1.048 |
1.042 |
1.038 |
1.035 |
1.031 |
1.027 |
1.025 |
1.022 |
1.020 |
Wall thickness t/mm |
3.8 |
4.0 |
4.2 |
4.5 |
4.8 |
5.0 |
5.4 |
5.6 |
6.0 |
6.5 |
7.0 |
8.0 |
|
Coefficient c |
A |
1.034 |
1.032 |
1.030 |
1.028 |
1.027 |
1.025 |
1.024 |
1.023 |
1.021 |
1.020 |
1.018 |
1.016 |
Coefficient c |
B |
1.027 |
1.025 |
1.024 |
1.023 |
1.021 |
1.020 |
1.019 |
1.018 |
1.017 |
1.016 |
1.015 |
1.013 |
Coefficient c |
C |
1.020 |
1.019 |
1.018 |
1.017 |
1.016 |
1.015 |
1.014 |
1.014 |
1.013 |
1.012 |
1.011 |
1.010 |
Wall thickness t/mm |
9.0 |
10.0 |
11.0 |
12.0 |
12.7 |
13.0 |
14.2 |
16.0 |
17.5 |
20.0 |
|
|
|
Coefficient c |
A |
1.014 |
1.013 |
1.012 |
1.011 |
1.010 |
1.010 |
1.009 |
1.008 |
1.007 |
1.006 |
|
|
Coefficient c |
B |
1.011 |
1.010 |
1.009 |
1.008 |
1.008 |
1.008 |
1.007 |
1.006 |
1.006 |
1.005 |
|
|
Coefficient c |
C |
1.008 |
1.008 |
1.007 |
1.006 |
1.006 |
1.006 |
1.005 |
1.005 |
1.004 |
1.004 |
|
|
Tablo 6 Teknik Özellikler
Steel Grade |
Lower yield strength Re1./MPa |
Tensile strength Rm/MPa |
Elongation A/% |
|
D≤168.3mm
|
D>168.3mm |
|||
≥ |
||||
08.10 |
195 |
315 |
22 |
|
15 |
215 |
355 |
20 |
|
20 |
235 |
390 |
19 |
|
Q195b |
195 |
315 |
15 |
20 |
Q215A,Q215B |
215 |
335 |
||
Q235A,Q235B,Q235C |
235 |
370 |
||
Q275A,Q275B,Q275C |
275 |
410 |
13 |
18 |
Q345A,Q345B,Q345C |
345 |
470 |
||
Q390A,Q390B,Q390C |
390 |
490 |
19 |
|
Q420A,Q420B,Q420C |
420 |
520 |
19 |
|
Q460C,Q460D |
460 |
550 |
17 |
Tablo 7 Sıcak daldırma galvaniz tabakasının ağırlığı
Requirement |
The total weight of zinc coating per unit area of the inner and outer surfaces /(g/㎡) no less than |
|
A |
Inside and outside surface |
500 |
B |
Inside and outside surface |
400 |
C |
Inside and outside surface |
300 |
Tablo 8 Test materyalleri ve çelik borular için örnekleme
Number |
Test items |
Test frequency |
Sampling quantity |
1 |
Smelting analysis |
1/furnace |
1 |
2 |
Finished product analysis |
1/furnace |
1 |
3 |
Tensile test |
1/batch |
1 |
4 |
Weld tensile test |
1/batch |
1 |
5 |
Impact test |
1/batch |
2 groups in a time, 3 samples in a group |
6 |
Flattening test |
1/batch |
1 sample on 2 pipes in each batch |
7 |
Bending test |
1/batch |
1 sample on 2 pipes in each batch |
8 |
Flaring test |
1/batch |
1 sample on 2 pipes in each batch |
9 |
Hydraulic test |
All |
All |
10 |
Ultrasonic testing |
All |
All |
11 |
Eddy current testing |
All |
All |
12 |
Galvanized layer uniformity test |
1/batch |
1/batch |
13 |
Galvanized weight determination |
1/batch |
1/batch |
14 |
Galvanized layer adhesion test |
1/batch |
1/batch |
Ningbo, Zhejiang, China
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