1) The standard of pipe: ISO 2531, EN545 , EN598.
2) Pipe class: K9, C40, C30, C25, etc.
3) Pipe joint: push-on joint(Tyton joint), K type joint, self-restrained joint
4) Effective length: in general, the pipe length is 6m for bulk shipment and 5.7m for container shipment.
5) Internal lining: cement mortar lining as per ISO4179
6) Zinc coating: at least 130g/m2 as per ISO 8179
7) Bitumen painting: at least 70um as per ISO 8179
8) Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber ring as per ISO4633
9) DN 80 - 2,600 mm
10) High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life time
11) Checked by automatic inspection equipment
12) Chemical composition: (%)
3. a) C: 3.5 - 4.0
4. b) Si: 1.9 - 2.6
5. c) Mn:0.15 - 0.45
6. c) P: <0.06
7. d) S: <0.02
13) Mechanical properties
1. a) Tensile strength: ≥420MPa
2. b) Yield strength: ≥300Mpa
3. c) Hardness: ≤230HB
4. d) Elongation%: DN80 - 1000 ≥10 DN1200 - 2200 ≥7
14) Process and testing:
1. a) Induction furnace and treated metal (Chemical analysis of raw material, spheroidizing & Nodularity)
2. b) Casting (Visual check and weight check)
3. c) Heat treatment (Micro structure)
4. d) Hydrostatic test (Pressure test)
5. e) Dimensional checks (Checking pipe length and joint, OD, wall thickness, appearance)
6. f) Zinc spraying (Thickness testing)
7. g) Lining and coating (100% visual check, thickness testing randomly)
8. i) Marking and packing (100% visual check)
15) The pipe coating can be customized, such as, zinc-aluminum alloy, PU, etc.

Packing: bundled with steel belts or in bulk
Shipment: in bulk or container
Standard Offer, Drinking Water - Class 1

Standard Offer, Drinking Water - Class 2

Standard offer, Sewer 

Manufacturing process
Application practice
 

Packing and shipping

1.Export sea worthy package + water proof paper + wooden pallet
2.Max Loading 26.5mt for each 20Gp container
3.Safe loading and fixing Professional teams
4.Professional shipping line
Delivery:5-7 days after confirming the order or according to your order quantity
Port of shipment:shanghai
Payment:T/T,Western Union,Trade Assurance
Remark: Insurance is all risk and accept the third party test.

Shandong Hongqiao Energy Equipment Technology Co., Ltd. is located in Jinan, Shandong Province, with a registered capital of 10000000
million yuan. It is a specialized steel sales company integrating domestic trade and foreign trade.
The company's products include stainless steel, seamless pipe, color coated plate, galvanized sheet, aluminized sheet, aluminum
sheet, copper sheet and other profiles, building materials, pipe series. Products are widely used in chemical, pharmaceutical,
electric power, railway, automotive, paper and construction engineering. The company has long-term close trade relations with
Shandong Iron and Steel, Tangshan Iron and Steel, Handan Iron and Steel, Jinxi Iron and Steel and other well-known domestic steel
companies.
The company has advanced wms, crm management system to ensure that our customers in the product consulting, procurement, ordering,
use in the whole process without worry! Over the years, our company has won the trust of our customers with high-quality products,
first-class service and ultra-low price. With the favor, our products are spread all over the country! Thanks to the support of
new and old customers, Hongqiao people will work harder and enterprising, and return more customers with better and more efficient
services!

1. Q: who are we?
A: We are based in Shandong, China, we have 15 industrial steel history, There are total about 100 people in our factory.
2. Q: how can we guarantee quality?
A: Always a pre-production sample before mass production; Always final Inspection before shipment;
3. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
4. Q: How is your Payment Term?
A: We prefer TT or according to your requirements
5 .Q: Can provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details discuss.
6.Q: Can you provide sample?
A: Yes, for regular size of samples, it's for free but buyer need to pay freight cost.
7.Q: What's the MOQ ?
A: 25Tons is ok
8.Q: What's your delivery time ?
A: Regular lead time is 7-15days after receiving deposit
9. We have full stock,and can deliver within short time.Many styles for your choices. After you choose
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the parcels until it arrive you. After-sale choose
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.