China OEM Astm A53 Schedule 40 Black Steel Pipe - 100x50x4mm gi rectangular hollow section weight / standard sizes – RELIANCE Detail:
100x50x4mm gi rectangular hollow section weight / standard sizes




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Product name |
Large diameter China manufacturer erw 200×200 steel square pipes for liquid |
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Size |
Thickness: Length 0.5-12m
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Standard |
ASTM A500, BS1387,GB3091,ASTMA53, B36.10, BS EN1029, GB/T9711 etc |
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Material |
Q195, Q235, Q345; ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc. |
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Fabrication |
Plain ends, cutting, etc |
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Surface Treatment |
1. PVC,black and color painting |
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2. Transparent oil,anti-rust oil |
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3. According to clients requirement |
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Package |
Bundle;Bulk;Plastic bags ,etc |
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Others |
We can do special orders as customer’s requirement. |
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We also can provide all kinds of steel hollow pipes. |
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All the production process are made under the ISO9001:2008 strictly |
| Elements
Material |
Chemical Composition% | Mechanical Property | ||||||
| C% | Mn% | S% | P% | Si% | Yield Point (Mpa) | Tensile Strength(Mpa) | Elongation (%) |
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| Q195 | 0.06-0.12 | 0.25-0.50 | <0.050 | <0.045 | <0.30 | >195 | 315-430 | 32-33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | <0.05 | <0.045 | <0.30 | >215 | 335-450 | 26-31 |
| Q235 | 0.12-0.20 | 0.30-0.70 | <0.045 | <0.045 | <0.30 | >235 | 375-500 | 24-26 |
| Q345 | <0.20 | 1.0-1.6 | <0.040 | <0.040 | <0.55 | >345 | 470-630 | 21-22 |






Tianjin Reliance Company , is specialized in manufacturing steel pipes. and many special service can be done for you. such as ends treatment, surface finished, with fittings, loading all kinds of sizes’ goods in container together, and so on.galvanized steel pipe


Our office is located in Nankai distric, Tianjin city, near Beijing, the capital of China, and with excellent location.It just takes 2 hours from beijing international airport to our company by high speed rail.and the goods can be delivered from our factory to Tianjin port for 2 hours. you can take 40 minutes from our office to Tianjin beihai international airport by subway.


Export record:
India,Pakistan,Tajikistan,Thailand,Myanmar,Australia,Canada,United States,United Kingdom,Kuwait,Mauritius,Morocco,Paraguay,Ghana,Fiji,Oman,Czech Republic,Kuwait,Korea and so on. galvanized stel pipe




Our Services:
1. We will provide you with detailed technical data and drawing.
2. Strict quality control and careful supervision to ensure the best crane for you.
3. Strict process control to make sure the crane will be delivered on time.
4. We will help handling shipment documents.
5. Our senior engineers can provide installation guidance, commissioning and training services.
6. Delivery with English user manual, parts manual, product certification and revelant certificates.
7. 12 months warranty after installation and commissioning in additional to human damage factor.
8. Technical advisory for any time and engineers available to service machinery overseas.
galvanized steel pipe
galvanized steel pipe
Q: Are you factory or trading company?
A:Yes, we are factory in Tianjin of china for many years. We can give you the factory price directly.
Q:Could you provide the samples?
A:Sure, but it is just for normal sizes, and the freight will be paid by you.
Q:What is your MQO?
A:1tons, it is better for bundles.
Q:Do you have stockist goods?galvanized steel pipe
A:Yes, but you must send me the sizes you need , let me check it for you.

Product detail pictures:






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So as to provide you with ease and enlarge our business, we even have inspectors in QC Crew and guarantee you our best company and solution for China OEM Astm A53 Schedule 40 Black Steel Pipe - 100x50x4mm gi rectangular hollow section weight / standard sizes – RELIANCE, The product will supply to all over the world, such as: Brasilia , UK , Portland , Our products are mainly exported to Europe, Africa, America, the Middle East and Southeast Asia and other countries and regions. We have enjoyed a great reputation among our customers for quality products and good services.We would make friends with businessmen from at home and abroad, following the purpose of Quality First, Reputation First, the Best Services.
Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
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