What payment terms do you accept?

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

What is your lead time for production?

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

Do you offer OEM services?

Yes, OEM service is available, and we can customize steel grades and delivery conditions according to your requirements.

En10305-2 E195 Bright Annealing Cold Drawn Welded Carbon Steel Piping

Name: En10305-2 E195 Bright Annealing Cold Drawn Welded Carbon Steel Piping
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2122986745

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.

E195 235 275 355

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

DIN2393 2394 En10305-2 10305-3 JIS G3445 ASTM A512

Delivery Condition

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

Steel Grade

E195/235/275/355

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

Smooth Surface Finish: Free from scale, rust, and imperfections with lower roughness on inner and outer surfaces.

High Precision Sizing: Offers high precision for size with OD range from 3mm to 100mm or as per request.

Invisible Welding Seam: Welding seam is invisible and untouchable ensuring superior mechanical performance.

Multiple Steel Grades: Available in E195, 235, 275, 355, St34-2, St37-2, St44-2, St52-3, and low carbon steel.

Various Delivery Conditions: Options include BK, BWK, BKS, GBK, and NBK to suit specific cold forming and heat treatment needs.

Comprehensive Inspection: Includes 100% Eddy Current Test, Size and surface checking, plus tensile and yield strength tests.

Wide Application Scope: Suitable for automotive, hydraulic systems, propeller shafts, shock absorbers, and refrigerators.

ISO 9001 Certified: Manufacturing process adheres to ISO 9001 and TS16949 standards with double inspection.

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: ≤5.61h 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), BWK (Cold finished/soft), BKS (Stress relieve annealed), GBK (Annealed), and NBK (Normalized) conditions.

Q:What is the size range for these pipes?

The standard size range is OD 3mm to 100mm, but custom sizes are available as per request.

Q:How do you ensure product quality?

We conduct a pre-production sample check, final inspection before shipment, and 100% testing for Eddy Current, Size, and Surface.

Q:What materials are used for these pipes?

We use Carbon Steel, Stainless Steel, and Alloy Steel, including grades like E195, St34-2, and low carbon steel.

Q:What standards do these pipes meet?

They comply with DIN 2393/2394, EN 10305-2/3/5/6, JIS G3445, ASTM A512/A513, SAE J525/J526, NF A49-341, and BS 6323.