What delivery conditions can you offer?

We provide various delivery conditions including BK, GBK, BKS, NBK, and Nbk to match specific project requirements.

What payment and delivery terms are accepted?

We accept FOB, CFR, CIF, EXW, DDP, DDU terms and payments via T/T, L/C, MoneyGram in USD, EUR, HKD, or CNY.

What is the lead time for production?

The average lead time is one month, applicable for both peak and off-peak seasons.

JIS G3445 0.5inch Good Performance Cold Drawn Precision Carbon Steel Tubing

Name: JIS G3445 0.5inch Good Performance Cold Drawn Precision Carbon Steel Tubing
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2123218765

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.

STKM11A 12A 12B 12C 13A 13B 13C

Material

Carbon and Alloy

Surface Treatment

Bright Annealing, Black Phosphating, Galvanizing

Usage

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

Section Shape

Round

Standard

DIN2391, En 10305-1, JIS G3445, ASTM A519

Delivery Condition

Bk, Gbk, Bkw, Bks or Nbk

Steel Grade

St35, St45, St52, E235, E355, 1010, Stkm 11A

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Application

Automotive, Hydraulic System and Precision Device

Transport Package

Plywood Box or Bundles

Specification

OD2-60mm

Trademark

Origin

China

HS Code

7304319000

Key features

Precision Cold Drawn Technology: Ensures high precision in size with lower roughness on inner and outer surfaces.

Wide Material Selection: Available in Carbon, Alloy, and Stainless Steel grades including St35, St45, 304, 316L.

Comprehensive Surface Treatment: Options include Bright Annealing, Black Phosphating, and Galvanizing for durability.

Multi-Standard Compliance: Meets DIN, ASTM, JIS, GB, EN, and ISO standards for global applicability.

Rigorous Quality Inspection: 100% Eddy Current Test and size/surface checking with EN 10204 3.1 certificates.

Diverse Application Scope: Ideal for automotive, hydraulic systems, aerospace, heat exchangers, and machinery.

Advanced Manufacturing Process: Uses special oil drawing to achieve best surface condition and mechanical performance.

Flexible Delivery Conditions: Offers BK, GBK, BKS, NBK, and Nbk conditions to suit various project needs.

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.