What certifications do you hold?

We are certified under ISO 9001 and TS16949 standards.

What are the accepted payment terms?

We accept T/T, L/C, MoneyGram, USD, EUR, HKD, and CNY.

How do you ensure product quality before shipment?

We conduct pre-production samples, final inspections, and professional team checks before delivery.

ASTM 1010/1025 15mm Cold Drawn Round Welded Precision Steel Tube

Name: ASTM 1010/1025 15mm Cold Drawn Round Welded Precision Steel Tube
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2024795245

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.00-7.00

1,000 kg

Product profile

Customization

Available

Type

Welded

Technique

Cold Drawn

Model NO.

CDW15

Material

Carbon Steel

Surface Treatment

Bright Annealing,Black Phosphating,Galvanizing

Usage

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

Section Shape

Round

Standard

ASTM A512

Delivery Condition

Bk (+C) Bkw (+LC) Bks (+Sr) Gbk (+a) Nbk (+N)

Steel Grade

1010/1015/1025/1030

Secondary or Not

Non-Secondary

Certificate

ISO 9001 Ts16949

Application

Automotive,Hydraulic System and Precision Device

Transport Package

Box or Bundles

Specification

OD3-100mm

Trademark

Origin

China

HS Code

7304319000

Key features

Wide Standard Compliance: Meets DIN, EN, JIS, ASTM, SAE, NF, and BS standards for global compatibility.

Customizable Delivery Conditions: Available in BK, BKW, BKS, GBK, and NBK conditions to suit specific mechanical needs.

Comprehensive Quality Testing: Includes tensile strength, yield strength, elongation, flattening, flaring, and 100% eddy current tests.

Multiple Surface Treatments: Options include Bright Annealing, Black Phosphating, and Galvanizing for enhanced durability.

Flexible Size Range: Outer diameter from 3mm to 100mm, or customized as per specific project requests.

OEM Service Available: Custom manufacturing services offered to meet unique client specifications and requirements.

Certified Quality Assurance: ISO 9001 and TS16949 certified with EN 10204 3.1 inspection reports provided.

Diverse Application Scope: Ideal for pipeline transport, boilers, hydraulics, automotive, oil drilling, and machinery.

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: ≤5.43h 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 delivery conditions?

Tubes can be produced in BK (Cold finished/hard), BKW (Cold finished/soft), BKS (Stress relieve annealed), GBK (Annealed), and NBK (Normalized) conditions.

Q:What quality tests are performed on the tubes?

Standard tests include tensile strength, yield strength, elongation, flattening, flaring, chemical analysis, and 100% eddy current testing.

Q:Can the tube size be customized?

Yes, the outer diameter ranges from 3mm to 100mm, and sizes can be customized as per request.

Q:What surface treatments are available?

We offer Bright Annealing, Black Phosphating, and Galvanizing surface treatments.

Q:Which steel grades are available?

Available grades include 1010, 1015, 1025, 1030, St34-2, St37-2, St44-2, St52-3, and E195/235/275/355.