Zinc Coated Pre Galvanized Steel Tube ASTM A0252 Cold Drawn Welded
Zinc Coated Pre-Galvanized Round Steel Pipe ASTM A0252 Cold Drawn Welded Galvanized Steel Tube For Construction
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Galvanized steel pipes are constructed from raw steel coated with a corrosion-resistant material. The coating process, known as galvanizing, involves the use of dipping steel into molten zinc. Pure zinc is an ideal material for galvanizing due to its abundance, low-cost, and low-toxicity to humans. However, even the best-galvanized pipes will eventually lose their zinc coating due to erosion and the ravages of time and nature. Once that occurs, the raw steel is exposed to moisture and oxygen, and the rusting process commences. |
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Product Name
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Galvanized Steel Pipe/Tube
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Thickness
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0.1mm-300mm or as required
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Standard
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AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc.
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Technique
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Cold rolled
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Surface Treatment
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Clean, blasting and painting according to customer requirement
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Thickness tolerance
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±0.15mm
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Material
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Q345,Q345A,Q345B,Q345C,Q345D,Q345E,Q235B
HC340LA,HC380LA,HC420LA B340LA,B410LA 15CRMO,12Cr1MoV,20CR,40CR,65MN A709GR50 |
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Coatings
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Top Coats :5 micron primer + 20 micron colour Back Coat: 5 micron primer - 7 micron primer
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MOQ
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1tons.We also can accept sample order.
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Shipment time
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Within 15-20 workdays after receiving deposit or L/C
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Export packing
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Waterproof paper, and steel strip packed.
Standard Export Seaworthy Package.Suit for all kinds of transport,or as required |
Chemical Composition
| Specification | Grade | Chemical Composition(wt%) | ||||||
| C | Mn | Ni | Cr | Mo | Ti | |||
| ASTMJIS | 316L/022Cr17Ni12Mo2 | ≤0.03 | ≤2.0 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | - | |
| JIS | SUS316L | ≤0.03 | ≤2.0 | 12.0-15.0 | 16.0-18.0 | 2.0-3.0 | - | |
| ASTMJIS | 316Ti/SUS 316Ti | ≤0.08 | ≤2.0 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | 5*(C+N)-0.7 | |
Properties
| Spec | Grade | Mechanical Property | Physical Property | ||||
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Y.S (N/MM2) |
T.S (N/MM2) |
EL (%) |
HRB |
Specific Heat (J/g℃) |
Modulus of Elasticity (KN/mm2) | ||
| ASTM/GB | 316L/022Cr17Ni12Mo2 | ≥170 | ≥485 | ≥40 | ≤95 | 0.5 | 193 |
| JIS | SUS316L | ≥175 | ≥480 | ≥40 | ≤90 | 193 | |
| ASTM | 316Ti | ≥205 | ≥515 | ≥40 | ≤95 | 0.5 | 200 |
Applications:316L: Widely used in corrosion-susceptible environment and some mechanical components those are difficult to make heat treatment after forming in more corrosive environment.316Ti: Mainly used for industrial components. |
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