What is the lead time for production?

The average lead time is one month, regardless of peak or off-season.

How do you guarantee product quality?

We conduct a pre-production sample check, final inspection before shipment, and double inspection by professional quality controllers.

What certifications do your products have?

Our products are certified under ISO 9001, Ts16949, and comply with ASTM A269, A312, A249, A554, and GB/T 12770 standards.

High Quality ASTM 304 316 Welded Stainless Steel Pipe

Name: High Quality ASTM 304 316 Welded Stainless Steel Pipe
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2029594315

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$3.00-10.00

1,000 kg

Product profile

Customization

Available

Type

Welded

Technique

ERW

Model NO.

SW16

Material

Stainless Steel

Surface Treatment

Ba(Bright Annealed), Electrolytic Polishing

Usage

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

Section Shape

Round

Standard

ASTM A269

Delivery Condition

Ba, Polish

Steel Grade

304/304L/306/306L

Secondary or Not

Non-Secondary

Certificate

ISO 9001 Ts16949

Application

Automotive,Hydraulic System and Precision Device

Transport Package

Bundles or Boxes

Specification

OD0.1- 60mm

Trademark

Origin

China

HS Code

7304319000

Key features

Advanced Bright Annealing: Sophisticated technology ensures excellent mechanical performance and surface finish.

High Flexibility: Tubes can be flared, flattened, and bent freely without compromising integrity.

Precise Tolerances: OD and ID tolerance controlled within +/-0.05mm for high precision applications.

Wide Size Range: OD: 0.1mm-60mm, WT: 0.05mm-50mm, with custom sizes available upon request.

Versatile Applications: Suitable for automotive, hydraulic systems, medical, aerospace, and chemical industries.

Strict Quality Control: Double inspection by professional controllers ensures only qualified products are delivered.

Multiple Delivery Forms: Available in coils, long straight pieces, or short lengths based on customer needs.

Certified Standards: Complies with ASTM A269/A312 and ISO 9001/Ts16949 standards for reliability.

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: ≤7.52h 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.