What delivery conditions are available?

Available delivery conditions include BK (+C), BKW (+LC), BKS (+SR), GBK (+A), and NBK (+N).

What certifications does the product have?

The product is certified under ISO 9001 and TS16949, with test reports available according to EN 10204 3.1.

What are the accepted payment terms and currencies?

Accepted payment types are T/T and L/C. Currencies include USD, EUR, HKD, and CNY.

Od8mm Wt 2mm Precision Hydraulic Carbon Seamless Steel Pipe

Name: Od8mm Wt 2mm Precision Hydraulic Carbon Seamless Steel Pipe
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2133813195

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.50-7.00

1,000 kg

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

ST35 45 52

Material

Carbon Steel

Surface Treatment

Galvanized, Black Phosphated, Ba

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Mining, Special Purpose

Section Shape

Round

Standard

DIN2391, 1630, 2445, En10305-4, SAE J524

Delivery Condition

Bk, Gbk, Bkw, Bks or Nbk

Steel Grade

St37.4 St52.4, E235, E355, A822, 1010, Cfs360

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Automotive, Hydraulic System and Precision Device

Transport Package

Bundles or Boxes

Specification

OD2-60mm

Origin

China

HS Code

7304319000

Production Capacity

1000ton/Month

Key features

High Precision Dimensions: Cold drawn seamless pipe with precise OD 2-60mm and WT 0.3-10mm tolerances.

Low Surface Roughness: Smooth inner and outer surfaces ensure excellent mechanical performance and fluid flow.

Wide Material Selection: Available in Carbon Steel, Alloy Steel, and Stainless Steel grades like St37.4, St52.4, and 304.

Multiple Standard Compliance: Meets DIN, EN, ASTM, JIS, GB/T, and SAE standards for global compatibility.

Versatile Applications: Ideal for automotive, hydraulic systems, precision devices, and aerospace industries.

Rigorous Quality Control: 100% Eddy Current Test, size checking, and professional inspection before delivery.

Customizable Delivery: Offers various delivery conditions including BK, GBK, BKS, and NBK to suit specific needs.

Certified Manufacturing: ISO 9001 and TS16949 certified with EN 10204 3.1 test reports for raw materials.

Company profile

Zhangjiagang Chewit International Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service AvailableExport Year: 2013-08-01 CertifiedNearest Port: shanghaiAverage Response Time: ≤6.53h 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 main advantages of this cold drawn seamless steel pipe?

The main advantages include high precision in size, excellent mechanical performance, and lower roughness for both inner and outer surfaces.

Q:What materials and steel grades are available?

Materials include Carbon Steel, Alloy Steel, and Stainless Steel. Common grades are St37.4, St52.4, E235, E355, 1010, and 304/316 stainless steel.

Q:What are the standard size ranges for OD and WT?

The standard size range is OD 2-60mm and WT 0.3-10mm. Some specific standards offer OD 3-30mm with ID 1-12.5mm.

Q:Which industries and applications is this pipe suitable for?

It is widely used in the automotive industry, hydraulic and pneumatic pressure lines, precision engineering, heat exchangers, mining, and aerospace.

Q:What quality inspection items are performed?

Inspection includes tensile strength, yield strength, elongation, flattening, flaring, chemical analysis, 100% Eddy Current Test, and 100% size and surface checking.