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 surface finish of stainless steel?
Considered the most widely used surface finish, 2B is the basis for most polished and brushed finishes. Such common
stainless steel grades as 201, 304, 304L and 316L come in a standard 2B finish.
What is round pipe?
Generally, structural round steel pipe is a welded steel tube with an internal weld seam that is measured in nominal size
unlike DOM or Welded Round Tube. At M & K Metals we carry alloy A553 round steel pipe as a common structural grade
that has a smooth bare finish with higher mechanical properties than standard pipe.
| Size | Outer Diameter | Seamless:6-500mm or Customized |
| Welded:6-2500mm or Customized | ||
| Wall Thickness | Seamless:0.5-150mm or Customized | |
| Welded:3-40mm or Customized | ||
| Length | 1-12m as customer requirement | |
| Material | 201,304,309S,310S,316,316L,316Ti,317,317L,321,904L,439 | |
| Surface Fnished | No.1 No.3 No.4 HL 2B BA 4K 8K 1D 2D | |
| Testing Methods | Pressure test,Flaw detection,Eddy current testing, Hydrostatic testing or Ultrasonicexamination and also with chemical and physical property inspection | |
| Standard | ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN 17459,JIS G3459,JISG3463,GOST9941,EN10216, BS3605,GB13296 | |
| Application |
| |
| Container Size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM | |
Applications:
Delivery:
Shipping:
1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. Goods delivered by 20" , 40" FCL/LCL by quantity or customer's request.
3. Customers specifying freight forwarders or negotiable shipping methods!
4. Delivery Time: 10-30days after conformed or according to quantity.
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.