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Construction Material Square and Rectangular Steel Hollow Section
1.Galvanization pipe classified into hot galvanized and electric-galvanized two kinds. The hot dipped galvanized pipe have very thick zinc coating and coating uniformity so that its adhesion very strong, service life also very long. Compared with hot dripped galvanized, electric-galvanized with the advantages of low cost and stronger corrosion resistance, though its surface is not very smooth.
2.Weight coefficient
1)Nominal wall thickness 2.0 2.5 2.8 2.8 3.5 3.8 4.0 3.2 mm
2)Coefficient c 1.064 1.051 1.045 1.064 1.036 1.034 1.032 1.051
3)Steel grades: Q215A;Q215B;Q235A;Q235B
4)Test pressure value/Mpa: D10.2 168.3 mm for 3 Mpa;D177.8-323.9 mm to 5 mpa.
5)Galvanized pipe theory weight formula: (diameter-wall thickness) * thickness * 0.02466 * 1.0599 = weight per meter (kg/m)
Construction Material Square and Rectangular Steel Hollow Section
| SIZE | WALL THICKNESS | SIZE | WALL THICKNESS | SIZE | WALL THICKNESS | SIZE | WALL THICKNESS |
| DN15 | 1.8 | DN40 | 1.8 | DN80 | 2.2 | DN150 | 2.5 |
| 2 | 2 | 2.5 | 2.75 | ||||
| 2.2 | 2.2 | 2.75 | 3 | ||||
| 2.5 | 2.5 | 3 | 3.25 | ||||
| 2.75 | 2.75 | 3.25 | 3.5 | ||||
| DN20 | 1.8 | 3 | 3.5 | 3.75 | |||
| 2 | 3.25 | 3.74 | 4 | ||||
| 2.2 | 3.5 | 4 | 4.25 | ||||
| 2.5 | DN50 | 1.8 | DN100 | 2 | DN200 | 2.75 | |
| 2.75 | 2 | 2.2 | 3 | ||||
| DN25 | 1.8 | 2.2 | 2.5 | 3.25 | |||
| 2 | 2.5 | 2.75 | 3.5 | ||||
| 2.2 | 2.75 | 3 | 3.75 | ||||
| 2.5 | 3 | 3.25 | 4 | ||||
| 2.75 | 3.25 | 3.5 | 4.25 | ||||
| 3 | 3.5 | 3.75 | 4.5 | ||||
| 3.25 | DN65 | 2.2 | 4 | 4.75 | |||
| DN32 | 1.8 | 2.5 | 4.25 | 5 | |||
| 2 | 2.75 | DN125 | 2.5 | DN200 | 5.5 | ||
| 2.2 | 3 | 2.75 | DN200 | 5.75 | |||
| 2.5 | 3.25 | 3 | DN200 | 6 | |||
| 2.75 | 3.5 | 3.25 | |||||
| 3 | 3.75 | 3.5 | |||||
| 3.25 | 3.75 | ||||||
| 4 |
Construction Material Square and Rectangular Steel Hollow Section
Black piece of check - hanging - skim - rinse - acid - cleaning - dipping plating aid to hot air drying, hot dip galvanized, inside and outside to cooling, passivation and rinse to unloading, inspection, repair - type logo - packing warehousing and transportation
Our partners
Our corporation, Shandong Jingen International Trading Co.,Ltd.., is located in Jinan, a port city of the east of China.
Our company has two subsidiaries,they are Jinan Jinggang Trading Co., Ltd.and Dezhou Gangzheng Trading Co., Ltd.With strategic partnership with major Chinese steel mills, we are able to purchase quality products at good price, thus we can offer our customers the best price. More than that,our business rule is quite flexible in quantity that we can fulfill orders in both small and large ones. From past years, we have gained invaluable experience by doing business with our large,medium and small customers,we understand their needs and work hard to meet our customer's every special demand.To provide maximum satisfaction to customers,we employ highly experienced staff of dealing with steel materials, sampling, testing (Tensile, Impact, Ultrasonic, and other non destructive tests) and inspection in order to guarantee our goods are quality made,marked, labeled and packed in accordance with customer's high expectations.We guarantee to meet customers' needs throughout manufacturing, quality control, delivery, packing and transportation.
Guideline:
supply products in best quality at the best competitive price
Production Advantage:
produce products in first class quality products with the most modern equipment and production line
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