What are the payment terms and lead time?

Payment terms are LC or T/T. The average lead time is one month for both peak and off-season periods.

Is OEM service available?

Yes, OEM service is available. We support customized standards, delivery conditions, and specific steel grades according to customer requirements.

ASTM A179 Carbon Seamless Steel Pipe for Heat Exchanger

Name: ASTM A179 Carbon Seamless Steel Pipe for Heat Exchanger
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 919600985

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$1.50-5.00

1,000 kg

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

ASTM A179

Material

Carbon Steel

Surface Treatment

Bright, Black Phosphated, Galvanizing

Usage

Hydraulic/Automobile Pipe

Section Shape

Round

Standard

ASTM A179, En10305-1, En10305-4, DIN1629

Delivery Condition

Cw, Sr, a, N

Steel Grade

1010

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Heat Exchanger, Hydraulic System, Other Indus

Transport Package

Plywood Box or Budles

Specification

OD2mm -60mm

Trademark

Origin

China

HS Code

7304319000

Key features

Multi-Industry Application: Suitable for automotive, hydraulic systems, heat exchangers, and CNG tubes.

High Pressure Resistance: CNG tubes withstand burst pressure of 1307Bar and working pressure of 350bar.

Multiple Surface Treatments: Available in bright, black phosphated, galvanizing, and specific color coatings.

Wide Material Selection: Supports ASTM A179, A519, A822, SAE J524, and customized steel grades.

Various Delivery Conditions: Offers BK, BKW, BKS, GBK, NBK conditions for precise mechanical properties.

Strict Quality Control: Double inspected by professional controllers with vivid test reports provided.

Certified Manufacturing: ISO 9001 and TS16949 certified with EN 10204 3.1 certificates available.

OEM/ODM Support: Customized standards, delivery conditions, and steel grades available on request.

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 main applications for this steel pipe?

It is widely used in automotive fields (fuel injection, CNG tubes, drive transmission), hydraulic systems (circuits, cylinders), and heat exchangers.

Q:What surface treatments are available?

Options include Bright, Black Phosphated, and Galvanizing (Silver, Yellow, Olive green) with layer thickness of 8-20um and salt spray test of 48-150 hours.

Q:Can the steel grade be customized?

Yes, many other steel grades and customized modified steel grades are available on request, including ASTM, GB, TOCT, ASTM, BS, JIS, NF, and DIN standards.

Q:What are the delivery conditions for the tubes?

Precision tubes are delivered in conditions such as BK (Cold finished/hard), BKW (Cold finished/soft), BKS (Stress relieve annealed), GBK (Annealed), and NBK (Normalized).

Q:What is the warranty or quality guarantee?

All products are double inspected by professional quality controllers. Only products passing inspection are delivered, supported by vivid test reports and EN 10204 3.1 certificates.