Shandong Duohe Import And Export Co., Ltd.
Quality is life,customer-centric,staff is fundamental,innovation is power,integrity is our principle.
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what is the difference between seamless and welded tube?
Seamless pipe in corrosion resistance and pressure resistance to high temperature and other properties are much higher than welded pipe. With the improvement of welding process, mechanical properties and mechanical properties are also slowly close to seamless pipe. Seamless pipe in the production process is more complex, its price is more expensive than welded pipe.
What is 304L stainless steel used for?
Alloy 304L Stainless Steel is used in a wide variety of home and commercial applications, including: Food processing equipment, particularly in beer brewing, milk processing, and wine making. Kitchen benches, sinks, troughs, equipment, and appliances. Architectural trim and molding.
Product Description:
| Grade | 201/202/301/303/304/304L/316/316L/321/310S/401/409/410/420J1/420J2/430/439 |
| Standard | JIS/GB/DIN/ASTM/AISI/EN |
| Technique | Cold Rolled; Hot Rolled |
| Wall Thickness | 1.5mm-45mm |
| Out Diameter | 10mm-750mm |
| Length | 1000mm,3000mm, 4000mm,5800mm,6000mm,12000mm,or as required. |
| Surface treatment | Polishing,annealing,pickling,bright |
| Application | Widely used in petroleum,foodstuff,chemical industry,construction, electric power,nuclear,energy,machinery,medical,decorative |
| Packing | Standard Seaworthy Package or according to customer's requirements |
| Container Size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM |
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FAQ
Q1: Are you a factory or trading company?
A1: We are a Chinese manufacture of steel pipes with both factories and trading companies.
Q2.How can you ensure the quality of your product?
A2.All products have to go through three checks in the whole manufacturing process,it includes production,cutting sheets and the packing.
Q3.What is your delivery time and the supply ability?
A3.The delivery time normally within 15~20working days,we can supply about 15,000tons every month.
Q4.What kind of equipment in your factory?
A4.Our factory have advanced five-eighth roller rolling,cold rolling production equipment on the roll,advanced processing and testing equipment,which makes our product better quality with efficiency.
Q5.About the complaint,quality problem,etc aftersales service,how do you handle it?
A5.We will have certain colleague to follow our order accordingly for each order with professional after-sales service. If any claim happen, we will take our responsibility and compensate as per contract. For better serve our client, we'll keep tracing feedback of our products from clients and that's what make us different from other suppliers. We're customer care enterprise.