Water Supply K7 Standard 6meters DN600 Ductile Iron Pipe - Wholesale on Factory

• Customization: Available
• After-sales Service: One Year
• Warranty: One Year
• Model NO.: GB/T13295
• Type: Cast Iron Pipes
• Usage: Water Supply
• Joint Type: Self Anchoring Joint
• Section Shape: Round
• Certification: ISO2531
• Shape: Round
• Customized: Customized
• Gasket Material: NBR
• Transport Package: Bulk Carrier
• Specification: 600*1400mm
• Trademark: Jintai
• Origin: China
• HS Code: 73030010
• Production Capacity: 10000

Product Description

Ductile Iron Pipe: The Engineering Marvel Transforming Water Infrastructure

1. Technological Evolution
The development of Ductile Iron Pipe (DI Pipe) marked a quantum leap from traditional cast iron pipe technology. This high strength pipe innovation has redefined standards for water supply pipe systems and sewage pipe networks globally. Unlike conventional cast iron pipe, DI pipe's unique metallurgical properties make it the material of choice for modern municipal water pipe installations and critical pipeline infrastructure projects.

2. Material Science Breakthrough
The superior performance of DI pipe stems from its revolutionary microstructure:

• Nodular graphite formation enables exceptional flexibility

• Minimum tensile strength: 415 MPa (60,000 psi)

• Yield strength: 290 MPa (42,000 psi)

• 10% elongation capacity (vs. brittle cast iron pipe)

• Charpy impact value exceeding 10 Joules at -40°C

3. Advanced Manufacturing Process
State-of-the-art centrifugally cast pipe production ensures:

• Dimensional accuracy within 0.5% tolerance

• Wall thickness variation <±1.5%

• Automated real-time quality monitoring

• 100% hydrostatic testing at 1.5× working pressure

• Internal surface roughness <25μm (cement-lined)

4. Comprehensive Corrosion Protection
This corrosion resistant pipe system incorporates:

• Standard 1.6mm cement mortar lining (EN 545 compliant)

• 200μm zinc coating (ISO 8179-1)

• 70μm bituminous topcoat

• Optional 2mm polyethylene sleeving (EN 14901)

• Special epoxy coatings for aggressive environments

5. Unmatched Performance Metrics
DI pipe demonstrates superior characteristics:

• Ring stiffness: SN 5000-10000 N/m²

• Allowable deflection: 3-5% without damage

• Fatigue endurance limit: 180 MPa (26,000 psi)

• Thermal conductivity: 50 W/(m·K)

• Sound attenuation: 15-20 dB over 100m

6. Water Transmission Excellence
As water supply pipe, DI pipe provides:

• Maximum working pressure: 4.0 MPa (580 psi)

• Surge pressure capacity: 6.0 MPa (870 psi)

• Diameter range: DN 80 - DN 2000 (3"-80")

• Standard lengths: 5.5m, 6m, 8m (18', 20', 26')

• Joint types: T-type, K-type, S-type, Flanged

7. Wastewater System Superiority
For sewage pipe applications, DI pipe offers:

• HS corrosion resistance: <0.1mm/year loss

• Abrasion resistance: <0.5mm/100,000 cycles

• Joint tightness: 0.1 l/min per meter at 10m head

• Chemical resistance: pH 4-12 continuous exposure

• Flow capacity: Hazen-Williams C=140

8. Municipal Infrastructure Solutions
In municipal water pipe networks, DI pipe delivers:

• Design life: 100+ years (ISO 15686)

• Life cycle cost: 30% lower than alternatives

• Carbon footprint: 50% less than concrete

• Recycled content: 95% minimum

• Embodied energy: 18 MJ/kg

9. Installation Innovations
This high strength pipe enables:

• Microtunneling capability up to DN 2000

• Horizontal directional drilling applications

• Pipe bursting rehabilitation techniques

• Thrust boring installation methods

• Seismic joint movement: ±5° angular deflection

10. Global Standards Compliance
DI pipe meets stringent international requirements:

• ISO 2531:2018 (Water applications)

• EN 598:2018 (Sewage systems)

• AWWA C151/A21.51 (North America)

• KS D 4311 (Korean Standard)

• GB/T 13295 (Chinese Standard)

11. Emerging Technologies
Next-generation DI pipe developments include:

• Graphene-enhanced linings (0.2mm protective layer)

• Smart pipe systems with IoT sensors

• Self-healing cement mortar technology

• Robotic welding for special fittings

• AI-powered quality control systems

12. Economic Advantages
Comprehensive cost-benefit analysis shows:

• Installation cost: 120−120−300 per linear foot

• Maintenance cost: <$0.10/ft/year

• Failure rate: 0.0003 leaks/mile/year

• Value retention: 80% after 50 years

• Insurance premium reduction: 15-20%

13. Technical Comparison Matrix

Characteristic	DI Pipe	Cast Iron Pipe	PVC	Steel
Tensile Strength (MPa)	415	150	50	485
Modulus (GPa)	170	100	3	200
Thermal Expansion (10/°C)	11	10	70	12
Sound Transmission (dB)	35	40	25	45
Carbon Footprint (kgCO/m)	120	150	80	200

14. Conclusion
Ductile Iron Pipe represents the pinnacle of water transmission technology, combining advanced material science with precision manufacturing. As a centrifugally cast pipe product, it delivers unparalleled performance as both water supply pipe and sewage pipe, far surpassing traditional cast iron pipe in all critical parameters. Municipal water pipe systems worldwide benefit from its exceptional strength, durability, and corrosion resistance, making DI pipe the intelligent choice for sustainable pipeline infrastructure development. With continuous technological advancements and proven field performance, DI pipe stands as the engineering solution for present and future water challenges.

High-quality Ductile iron Pipe Parameters.
Specification	K7 Wall Thickness/mm		K8 Wall Thickness/mm		K9 Wall Thickness/mm		Theoretical Weight/Ton
	Nominal Wall Thickness	Minimum Wall Thickness	Nominal Wall Thickness	Minimum Wall Thickness	Nominal Wall Thickness	Minimum Wall Thickness
DN80	/	/	/	/	6	4.7	0.077
DN100	4.2	2.9	4.8	3.5	6	4.7	0.095
DN150	4.55	3.25	5.2	3.9	6	4.7	0.144
DN200	4.9	3.6	6.5	4.3	6.3	4.8	0.194
DN250	5.25	3.95	6	4.7	6.8	5.25	0.255
DN300	5.6	4.3	6.4	4.8	7.2	5.6	0.323
DN350	5.95	4.65	6.8	5.15	7.7	6.05	0.403
DN400	6.3	4.6	7.2	5.5	8.1	6.4	0.482
DN450	6.65	4.9	7.6	5.85	8.6	6.85	0.577
DN500	7	5.2	8	6.2	9	7.2	0.669
DN600	7.7	5.8	8.8	6.9	9.9	8	0.882
DN700	8.4	6.4	9.4	7.6	10.8	8.8	1.123
DN800	9.1	7	10.4	8.3	11.7	9.6	1.394
DN900	/	/	11.2	9	12.6	10.4	1.691
DN1000	/	/	12	9.7	13.5	11.2	2.017
DN1200	/	/	13.6	11.1	15.3	12.8	2.758
DN1400	/	/	15.2	12.5	17.1	14.4	3.669
DN1500	/	/	16	13.2	18	15.2	4.175
DN1600	/	/	16.8	13.9	18.9	16	4.668
DN1800	/	/	18.4	15.3	20.7	17.6	5.803
DN2000	/	/	20	16.7	22.5	19.2	7.043
DN2200	/	/	21.6	18.1	24.3	20.8	8.332
DN2400	/	/	23.2	20.3	26.1	22.4	9.822
DN2600	/	/	24.8	20.9	27.9	24	11.392
K7, K8, and K9 are all calculated based on the same theoretical weight.

 

Pressure - Bearing Performance Parameters of Ductile Iron Pipes
DN	DE(mm)	Pressure Rating	Radial Rigidity (KN/M²)	Nominal Wall Thickness (mm)	PFA MPA	PAM MPA	PEA MPA
DN80	98	C40	856	4.4	4.0	4.8	5.3
DN100	118	C40	481	4.4	4.0	4.8	5.3
DN125	144	C40	271	4.5	4.0	4.8	5.3
DN150	170	C40	163	4.5	4.0	4.8	5.3
DN200	222	C40	84	4.7	4.0	4.8	5.3
DN250	176	C30	52	4.9b	3.0	3.6	4.1
DN300	326	C30	34	5.1	3.0	3.6	4.1
DN350	378	C30	44	6.3b	3.0	3.6	4.1
DN400	429	C25	34	6.5b	3.0	3.6	4.1
DN450	480	C25	23	6.5b	2.5	3.0	3.5
DN500	532	C25	17	6.5	2.5	3.0	3.5
DN600	635	C25	17	7.6b	2.5	3.0	3.5
DN700	738	C25	17	8.8b	2.5	3.0	3.5
DN800	842	C25	15	9.6	2.5	3.0	3.5
DN900	945	C25	15	10.6	2.5	3.0	3.5
DN1000	1048	C25	14	11.6	2.5	3.0	3.5
DN1100	1152	C25	14	12.6	2.5	3.0	3.5
DN1200	1255	C25	14	13.6	2.5	3.0	3.5
DN1400	1462	C25	14	15.7	2.5	3.0	3.5
DN1500	1565	C25	14	16.7	2.5	3.0	3.5
DN1600	1668	C25	13	17.7	2.5	3.0	3.5
DN1800	1785	C25	13	19.7	2.5	3.0	3.5
DN2000	2082	C25	13	21.8	2.5	3.0	3.5
DN2200	2288	C25	13	23.8	2.5	3.0	3.5
DN2400	2495	C25	13	25.8	2.5	3.0	3.5
DN2600	2702	C25	13	27.9	2.5	3.0	3.5
DN2800	2908	C25	13	29.9	2.5	3.0	3.5
DN3000	3115	C25	13	31.9	2.5	3.0	3.5

Q1: Are you trading company or manufacturer ?
A1: We are factory.

Q2:Can I go to your factory to visit?
A2:Of course, we welcome customers from all over the world to visit our factory.

Q3: How long is your delivery time?
A3: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity.

Q4:What is the advantage about your company?
A4:Our company has professional team and professional production line.

Q5: The logo and the color can be customized?
A5: Yes, we welcome you to sample custom

Q6: Any other good service your company can provide?
A6:Yes,we can provide good after-sale and fast delivery.

Q7:What product information do I need to provide?
A7:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q8:Does the product have quality inspection before loading?
A8:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.
 

Factory Introduction
We are a specialized ductile iron pipe manufacturing factory based in Shanxi, China. With a rich heritage of over 20 years in this industry, we have established ourselves as a reliable and experienced player in the global market.
Our ductile iron pipes have found their way to numerous countries across the globe. This wide - reaching export network is a testament to the trust that our international customers place in our products. The quality of our pipes has been recognized and praised by various sectors. We adhere to strict international quality standards, and our production facilities are equipped with state - of - the - art technology to ensure precision and consistency.
Each batch of our products undergoes rigorous quality control checks. We conduct comprehensive tests on factors such as pipe strength, pressure - bearing capacity, and corrosion resistance. This meticulous approach to quality control has earned us a reputation for delivering products that are not only durable but also perform optimally in diverse applications, whether it's for water supply, gas transmission, or other infrastructure projects.