Carbon Square Hollow Steel Tube ERW Spiral Welded Steel Pipe
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| Customization: | Available |
|---|---|
| Type: | Welded |
| Technique: | ERW |
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Basic Info.
- Model NO.
- Welded Steel Pipe
- Material
- Carbon Steel
- Surface Treatment
- Black
- Usage
- Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Machinery Industry, Construction & Decoration
- Section Shape
- Round
- Transport Package
- PVC Packing
- Specification
- Thickness: 0.6-15mm Outer Diameter: 1 1/2in-12in
- Origin
- China
- Production Capacity
- 10000t/Months
Product Description
Production description
| product name | Material | Standard | Size(mm) | Application |
| Low temperature tube | 16MnDG 10MnDG 09DG 09Mn2VDG 06Ni3MoDG ASTM A333 |
GB/T18984- 2003 ASTM A333 |
OD:8-1240* WT:1-200 |
Apply to - 45 ºC ~ 195 ºC low temperature pressure vessel and low temperature heat exchanger pipe |
| high-pressure boiler tube | 20G ASTMA106B ASTMA210A ST45.8-III |
GB5310-1995 ASTM SA106 ASTM SA210 DIN17175-79 |
OD:8-1240* WT:1-200 |
Suitable for manufacturing high pressure boiler tube, header, steam pipe, etc |
| Petroleum cracking tube | 10 20 |
GB9948-2006 | OD: 8-630* WT:1-60 |
Used in oil refinery furnace tube, heat exchanger tube |
| Low medium pressure boiler tube | 10# 20# 16Mn,Q345 |
GB3087-2008 | OD:8-1240* WT:1-200 |
Suitable for manufacturing various structure of low and medium pressure boiler and locomotive boiler |
| General structure of the tube |
10#,20#,45#,27SiMn ASTM A53A,B 16Mn,Q345 |
GB/T8162-2008 GB/T17396-1998 ASTM A53 |
OD:8-1240* WT:1-200 |
Apply to the general structure, engineering support, mechanical processing, etc |
| Oil casing | J55,K55,N80,L80 C90,C95,P110 |
API SPEC 5CT ISO11960 |
OD:60-508* WT:4.24-16.13 |
Used for extraction of oil or gas in oil Wells casing, used in oil and gas well sidewall |
Steel Grade
|
Steel grade |
Chemical composition |
Mechanical properties |
||||||
|
C% |
Si% |
Mn% |
P% |
S% |
Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation |
|
|
SPCC/SPHC |
≤0.12 |
≤0.025 |
≤0.50 |
≤0.035 |
≤0.025 |
≥270 |
-- |
≥38 |
|
ST12(DC01) |
≤0.10 |
-- |
≤0.50 |
≤0.035 |
≤0.025 |
≥270 |
130-260 |
≥34 |
|
ST37-2G/2 |
≤0.17 |
-- |
≤1.00 |
≤0.035 |
≤0.030 |
360-510 |
≥215 |
≥20 |
|
B340/590DP |
≤0.18 |
≤0.80 |
≤2.20 |
≤0.035 |
≤0.030 |
≥590 |
340-500 |
≥20 |
|
B400/780DP |
≤0.20 |
≤0.80 |
≤2.50 |
≤0.035 |
≤0.030 |
≥780 |
400-590 |
≥16 |
|
B340LA |
≤0.12 |
-- |
≤1.00 |
≤0.030 |
≤0.030 |
≥440 |
240-460 |
≥26 |
|
SS400 |
≤0.21 |
≤0.30 |
≤1.40 |
≤0.035 |
≤0.035 |
400-510 |
≥245 |
≥21 |
|
Q195 |
≤0.12 |
≤0.30 |
≤0.50 |
≤0.035 |
≤0.040 |
315-430 |
≥195 |
≥33 |
|
Q235B |
0.17-0.22 |
≤0.50 |
≤1.40 |
≤0.045 |
≤0.045 |
370-500 |
≥235 |
≥26 |
|
Q345B |
≤0.20 |
≤0.30 |
≤1.70 |
≤0.035 |
≤0.035 |
470-630 |
≥345 |
≥20 |
|
SAPH370 |
≤0.21 |
≤0.30 |
≤0.75 |
≤0.035 |
≤0.035 |
≥370 |
≥225 |
≥37 |
|
SAPH400 |
≤0.21 |
≤0.30 |
≤1.20 |
≤0.030 |
≤0.025 |
≥400 |
≥255 |
≥36 |
|
SAPH440 |
≤0.21 |
≤0.20 |
≤0.15 |
≤0.030 |
≤0.025 |
≥440 |
≥305 |
≥34 |
|
Qste420TM |
≤0.12 |
≤0.50 |
≤1.50 |
≤0.030 |
≤0.025 |
480-620 |
≥420 |
≥21 |
|
Qste460TM |
≤0.12 |
≤0.50 |
≤1.60 |
≤0.030 |
≤0.025 |
520-670 |
≥460 |
≥19 |
|
BR1500HS/22MnB5 |
0.20-0.25 |
0.15-0.35 |
1.1-1.4 |
≤0.025 |
≤0.01 |
600-750 |
≥420 |
≥22 |
Our service
1,Delivery on time .
2.Strictly carry on all clients contract .
3.Since export carbon steel pipe(Tube) since 2003 ,have ability to control goods quality .
4.Our goods can accept any third part inspection .
5.Client's requirement is our first thinking .
guarantee for the quality of its products

Company information
employees and annual production more than 200000 tons .In the 2016, in order to meet client requirements, we built a after-processing factory, whose named is Tianjin
Baojing New Energy Technology Co.,LTD , which produced all kinds of customized products and sucessful supply for many PV projects .As the export's window, Tianjin Shengteng Internatinal Trading Co.,LTD , manily exporting the factory's galvanized steel products, especially galvanized steel pipe ,square and rectangular steel tube, seamless
steel pipe ,ERW steel pipe, galvanized steel coil/sheets ,scaffolding steel props, PV mounting system .In the past ,we get good feedback from old clients, and we will more fouce on the quality and improve the service to thankful each client in the future.

FAQ
Q1:How many coutries you already exported ?
A1:Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Iran, Turkey, Jordan, etc.
Q2:How can I get some samples?
A2:Small samples in store and can provide the samples for free. Catalgue is available, most patterns we have ready samples in stock. Customized samples will take about 5-7days.
Q3:What is the MOQ?
A3:One ton if on stock, 5tons for new size
Q4:What is the delivery ?
A4:Sample order's delivery time is 5- 7 days. Container orders are about 15-20 days.
Q5:How does your company do regarding quality control?
A5:BV and SGS certificates, production process followed the ISO 9000 system.
Q7:How long Can You Guarantee for This Product?
A8:We will follow the order one year,if any problem,can contact us.
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