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E235 E355 High Pressure Diesel Fuel Injection Steel Pipe
US$2.50-15.00
1,000 kg
Product profile
Customization
AvailableType
SeamlessTechnique
Cold DrawnModel NO.
FIS-3Material
Carbon SteelSurface Treatment
Galvanized, Black Phosphated, BaUsage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Mining, Special PurposeSection Shape
RoundStandard
DIN2391,73000, En10305-1,GB/T3093,SAE J529,Delivery Condition
Bk, Bkw, NbkSteel Grade
St35,45,52,37.4 ,44.4,52.4,E235/E355,10/20/16mn/35Certificate
ISO 9001 Ts16949Secondary or Not
Non-SecondaryApplication
Automotive,Hydraulic System and Precision DeviceTransport Package
Bundles or BoxesSpecification
OD3-30mmOrigin
ChinaHS Code
7304319000Production Capacity
1000ton/MonthKey features
High Pressure Durability: Seamless carbon steel pipes designed for high pressure diesel fuel injection systems.
Precision Dimensions: Outer diameter 3-30mm and inner diameter 1-12.5mm for precise hydraulic applications.
Multiple Standard Compliance: Meets DIN 2391, EN 10305-1, GB/T 3093, SAE J529, and ISO 8535 standards.
Versatile Surface Treatment: Available in Galvanized, Black Phosphated, and Ba finishes for corrosion resistance.
Wide Steel Grade Range: Options include St35, 45, 52, 37.4, 44.4, 52.4, E235/E355, and 10/20/16mn/35.
Strict Quality Control: Double inspection by professional quality controllers ensures product reliability.
OEM Service Available: Custom manufacturing services are supported for specific client requirements.
Certified Quality Assurance: Products certified under ISO 9001 and Ts16949 for international quality standards.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service AvailableExport Year: 2013-08-01 CertifiedNearest Port: shanghaiAverage Response Time: ≤6.33h CertifiedTerms of Payment: LC, T/T
AI-Powered supplier vetting
SummaryZhangjiagang Chewit is a China-based limited trading company established in 2010, with stated precision-tube and steel-forging manufacturing activities. The supplier reports ISO9001:2015 certification, more than 10 production lines, approximately 5,000 tons of annual seamless-steel-pipe productivity, broad export-market coverage, and one-month lead times in both peak and off-peak seasons. Its quality claims include 100% dimensional and surface checks, batch chemical and mechanical testing, and non-destructive testing upon request. Evidence is insufficient to assess after-sales service, financial credibility, and customization capability. Innovation evidence is limited to an associated forging operation reporting 11 authorized patents, while customer evidence consists of one listed buyer and one trade transaction.
Supplier typeThe supplier is identified as a China-based limited company and trade company, with stated manufacturing activities in precision steel tubes and forgings. Its product scope includes seamless, welded, carbon, stainless, hydraulic, cold-drawn, and precision tubes, indicating a specialized steel-product supplier with both trading and manufacturing positioning.
CertificationsThe supplier explicitly reports an ISO9001:2015 management-system certificate. It also describes inspection and industry-related qualifications associated with its forging operation, including API 20B, PED, and classification-society credentials, although the scope and holder of each qualification are not separately specified.
R&D capabilityThe supplier describes advanced production and inspection equipment, precision-tube manufacturing, and a forging operation with 11 authorized patents, including three invention patents. These statements provide explicit but limited evidence of process and product-development capability, mainly linked to the forging operation rather than clearly to the entire supplier entity.
Production capacityThe supplier reports more than 10 production lines, annual seamless-steel-pipe productivity of 5,000 tons, heat-treatment furnaces, inspection equipment, and manufacturing of precision tubes and forgings. The descriptions also cite a 10,000-square-meter tube operation and a substantially larger forging facility, although employee and facility figures are inconsistent across slices and should be verified.
Client casesThe supplier states that it serves wind power, oil and gas, transportation, shipbuilding, and gearbox sectors and has entered the global purchasing system of a major company since 2006. The trade data identifies one buyer and one transaction, so sector references are available but the breadth and depth of verifiable customer cases remain limited.
Product Q&A
Q:What are the available steel grades?
A:
We offer a wide range of steel grades including St35, 45, 52, 37.4, 44.4, 52.4, E235/E355, and 10/20/16mn/35.
Q:What standards do these pipes comply with?
A:
Our pipes comply with DIN 2391, EN 10305-1, DIN 73000, GB/T 3093, SAE J529, and ISO 8535 standards.
Q:What is the size range for these pipes?
A:
The outer diameter ranges from 3mm to 30mm, and the inner diameter ranges from 1mm to 12.5mm.
Q:What surface treatments are available?
A:
We provide Galvanized, Black Phosphated, and Ba surface treatments to suit different environmental needs.
Q:What is the lead time for orders?
A:
The average lead time is one month for both peak season and off-season periods.
Send Inquiry
*To:
Zhangjiagang Chewit International Co., Ltd.
Zhangjiagang Chewit International Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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