Industry Hot Dip Q235 Galvanized Carbon Steel Pipe Astm A53
Specification
Galvanized seamless pipe is divided into cold-plated steel seamless pipe and hot dip seamless pipe.
Hot dip seamless pipe
The seamless pipe is to make the molten metal and iron substrate reaction, the alloy layer, so that the substrate and coating combination of both. Hot-dip galvanizing is the first steel pickling, in order to remove the steel pipe surface of iron oxide, pickling, aqueous solution of ammonium chloride or zinc chloride or ammonium chloride and zinc chloride mixed aqueous solution tank cleaning, and then send into the hot dip tank. Hot dip galvanized coating uniformity, strong adhesion, and long life.
Cold-plated seamless pipe
Cold galvanized, electric-galvanized, galvanized the amount of small, only 10-50g/m2 of its own resistance to corrosion than hot dip galvanized pipe a lot of difference. Regular galvanized pipe manufacturers, in order to ensure the quality, most do not use electric-galvanized (cold-plated). Only those small-scale, outdated equipment and small businesses with electric galvanized, of course, their prices are relatively cheap. The Ministry of Construction has formally below, cold galvanized pipe to eliminate backward technology, the future not be allowed to cold galvanized pipe for water, gas pipes.
Galvanized seamless mechanical properties
The mechanical properties of steel is to ensure that an important indicator of the steel end-use properties (mechanical properties), it depends on the chemical composition and heat treatment of steel. Steel standards, according to different requirements, the provisions of the tensile properties (tensile strength, yield strength or yield point elongation) and hardness, toughness, user requirements, high and low temperature performance.
| Size | Rectangular Tube: 10*20-120*80mm Square Tube : 16*16-250*250 mm (check sizes provided from below table) | | Wall Thickness | 0.4-20mm | | Length | 3.0m,5.8m,6.0m,11.8m,12.0m or as requirment | | Materials | Q195, Q235, Q235B, Q275, Q345B S235, S235jr, S355, S355jr SS400, SS330, STK490 St33, St37, St52/ ASTM A36, A53, A106 | | Standard | EN10210, EN10219, DIN17100, ASTM A36,JIS G3466 | | Surface | Oil, bared, black paint, galvanized | | Technique | hot rolled, welded(erw) | | Payment terms | LC at sight,30%T.T in advance,balance after the copy of B/L or *Alibaba Trade Assurance | | Packing | 1.Big OD:in bulk 2.Small OD:packed by steel strips 3.Wraped with woven cloth with 7 slats 4.plastic bags 5.as per customer's option | | Delivery time | In 10-15 days after receipt of deposit or L/C,T/T | | MOQ | 3 tons for each size | | |
Why Choose Us?
1. Minimum Order Quantity?
A: The MOQ is 22 tons, the galvanized steel sample is available as long as your quantity is ok.
2. What kind of terms of payment?
A: T/T, L/C are available.
3. What grams of the product can you offer?
A: These products can be customized according to your requirement.
4.Is free sample available?
A: Yes, free sample is available.
5. Can you do Customization & Reproduction if I provide a photo?
A: Yes, we do Customization & Reproduction service.
6. Does the packaging safe and arrive in good conditions?
A: Yes, safe Packing guarantee , all the products will arrive your door under good conditions.
We response to problem of shipping if there unfortunately is.
7. How long does it usually take to deliver the product?
A: We will make the shipment to you immediately. It will take about 18 to 40 days arrive worldwide. It depends on the specific quantity.
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Industry Hot Dip Q235 Galvanized Carbon Steel Pipe Astm A53 Images
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