700mm Durable Ductile Iron Pipes with CE Certification GB/T13295 Wholesale on Factory

• Customization: Available
• After-sales Service: One Year
• Warranty: One Year
• Model NO.: K9
• 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 pipes have emerged as a cornerstone in modern infrastructure for fluid conveyance, and the one under spotlight here, with a diameter of 700mm and grade K9, adhering to the GB/T 13295 standard, is a paragon of quality and reliability.

 

1. Standard Adherence: GB/T 13295
GB/T 13295 is a comprehensive and authoritative standard in the realm of ductile iron pipes. It meticulously regulates every aspect of the production process, from raw material selection to the final product inspection. This standard covers a wide range of technical requirements, including chemical composition, mechanical properties, dimensions, and surface quality. By strictly complying with GB/T 13295, the 700mm diameter K9 ductile iron pipe ensures it meets the highest quality benchmarks in the industry. For instance, the standard specifies limits on the content of elements such as carbon, silicon, and manganese in the raw material. These elements play a crucial role in determining the pipe's overall performance, and the strict control over them as per GB/T 13295 guarantees consistent and excellent quality.

 

2. Grade K9: A Testament to Strength and Durability
The K9 grade is a mark of distinction in the world of ductile iron pipes. It represents a high level of mechanical strength and durability. Pipes of this grade are engineered to withstand significant internal pressure and external loads. In terms of mechanical properties, a K9 ductile iron pipe typically has a minimum tensile strength of around 420 MPa and a yield strength of 300 MPa. This robust strength profile makes the 700mm diameter K9 pipe suitable for a variety of demanding applications. For example, in water supply networks, it can handle the pressure generated by large - scale water distribution systems without deformation or failure. In gas transmission pipelines, its ability to resist internal gas pressure ensures safe and efficient gas delivery over long distances.

 

3. Diameter of 700mm: Meeting Large - Scale Conveyance Needs
The 700mm diameter of this ductile iron pipe is designed to meet the requirements of large - scale fluid conveyance projects. Such a large diameter allows for a high - volume flow of water or gas. In urban water supply systems, it can serve as a main trunk line, efficiently transporting water from treatment plants to various parts of the city. The large cross - sectional area of the 700mm pipe reduces flow resistance, which in turn helps to save energy during fluid transportation. In industrial settings, it can be used to convey large amounts of process fluids. For example, in a power plant, it might be employed to transport cooling water, where the large diameter ensures an adequate supply of water to cool the machinery.

 

4. Manufacturing Process
The production of this 700mm diameter K9 ductile iron pipe following the GB/T 13295 standard involves a series of precise manufacturing steps. First, high - quality raw materials are carefully selected to ensure they meet the chemical composition requirements of the standard. The iron is then melted in specialized furnaces, and a controlled amount of alloying elements is added to achieve the desired mechanical properties. Next, the molten iron is poured into molds to form the pipe shape. After solidification, the pipes undergo a series of heat - treatment processes to enhance their ductility and strength. This is followed by rigorous inspection procedures, including non - destructive testing methods such as ultrasonic and radiographic testing, to detect any internal defects. Surface inspection is also carried out to ensure the pipe has a smooth and corrosion - resistant surface.

 

5. Corrosion Resistance and Coating
Corrosion resistance is a crucial aspect of ductile iron pipes, and the 700mm K9 pipe is no exception. To enhance its corrosion resistance, it is typically coated. The coating not only protects the pipe from external corrosive agents but also from the internal fluids it transports. In accordance with GB/T 13295, various types of coatings can be applied. For example, a zinc - based coating is often used, which provides a sacrificial protection mechanism. The zinc reacts with the environment before the iron in the pipe, thereby preventing the pipe from rusting. Additionally, a bituminous or epoxy - based top - coat may be applied over the zinc coating to further enhance corrosion resistance and provide additional protection against mechanical damage.

 

6. Applications in Different Industries
This 700mm diameter K9 ductile iron pipe, compliant with GB/T 13295, finds extensive applications in multiple industries. In the water supply industry, it forms the backbone of water distribution networks in large cities. Its large diameter allows for the efficient transfer of water to meet the daily needs of a vast population. In the gas industry, it is used for both natural gas transmission and distribution. The pipe's ability to withstand high - pressure gas and its excellent sealing properties, as required by the standard, ensure safe and reliable gas supply. In the wastewater treatment sector, it can be used to transport sewage from collection points to treatment plants. The smooth inner surface of the pipe, as per the standard requirements, helps to prevent blockages and ensures the efficient flow of wastewater.

 

In conclusion, the 700mm diameter K9 ductile iron pipe, adhering to the GB/T 13295 standard, is a high - performance product that combines strength, durability, and corrosion resistance. Its compliance with the standard ensures it can meet the diverse and demanding requirements of various infrastructure projects, playing a vital role in ensuring the smooth operation of water, gas, and wastewater systems.

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.