What is the lead time for production?

The average lead time is one month for both peak season and off-season.

Is OEM service available?

Yes, OEM service is available for customized requirements.

SAE J524 Hydraulic High Precision Seamless Carbon Steel Tube

Name: SAE J524 Hydraulic High Precision Seamless Carbon Steel Tube
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2024587185

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.

HC4

Material

Carbon Steel

Surface Treatment

Nbk,Black Phosphated or Galvanized

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry

Section Shape

Round

Standard

SAE J524

Delivery Condition

Nbk/+N

Steel Grade

1010

Secondary or Not

Non-Secondary

Certificate

ISO 9001 Ts16949

Application

Automotive,Hydraulic System and Precision Device

Transport Package

Box or Bundles

Specification

OD 2-60mm WT0.3-10mm

Trademark

Origin

China

HS Code

7304319000

Key features

High Precision Seamless Tube: Cold drawn carbon steel tube meeting SAE J524 standard with tight tolerances.

Multiple Surface Treatments: Available in NBK, Black Phosphated, or Galvanized finishes for corrosion resistance.

Wide Application Range: Suitable for hydraulic circuits, automotive systems, oil drilling, and machinery industries.

Certified Quality: ISO 9001 and TS16949 certified with rigorous double inspection before delivery.

Diverse Steel Grades: Includes ST37.4, ST52.4, E235, E355, and 1010, with other grades available upon request.

Flexible Delivery Terms: Supports FOB, CFR, CIF, EXW, DDP, and DDU terms for global shipping.

OEM Service Available: Customized manufacturing options for specific steel grades and dimensions.

Advanced Manufacturing: Equipped with cutting, heat treating, stretching, and straightening machines.

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: ≤6.94h 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:Who are we?

We are based in Jiangsu, China, starting from 2010, selling to Eastern Asia, Mid East, Eastern Europe, Southeast Asia, Northern Europe, Domestic Market, South America, Western Europe, South Asia, North America, Oceania, Southern Europe, Central America, and Africa.

Q:How can you guarantee quality?

We always produce a pre-production sample before mass production and conduct a final inspection before shipment.

Q:What can you buy from us?

We supply Steel Pipe, Seamless Pipe, Hydraulic Oil Tube, Precision Tube, and Stainless Steel Tube.

Q:Why should you buy from us not from other suppliers?

We have advanced production lines with special oil for best surface condition, lower roughness, good mechanical performance, and a professional inspection team.

Q:What services can you provide?

We accept delivery terms like FOB, CFR, CIF, EXW, DDP, DDU, and payment currencies like USD, EUR, HKD, CNY via T/T, L/C, MoneyGram.