Is OEM service available for this product?

Yes, OEM service is available, including customization of steel grades, delivery conditions, and certificates.

What is the average lead time for production?

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

A519 42CrMo 30CrMo Superior Performance Cold Drawn Alloy Seamless Steel Pipe

Name: A519 42CrMo 30CrMo Superior Performance Cold Drawn Alloy Seamless Steel Pipe
Brand: Zhangjiagang Chewit International Co., Ltd.
SKU: 2128386115

Jiangsu, ChinaZhangjiagang Chewit International Co., Ltd.

US$2.50-7.00

1,000 kg

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

4130, 4140, 30CrMo, 42CrMo

Material

Alloy Steel

Surface Treatment

Slightly Oiled

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry

Section Shape

Round

Delivery Condition

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

Steel Grade

4130/30CrMo/4140/42CrMo

Certificate

ISO 9001 Ts16949

Secondary or Not

Non-Secondary

Standards

ASTM A519

Application

Automotive, Motorcycle, Motorbike, Auto Parts

Transport Package

Bundles or Boxes

Specification

OD2-60mm

Trademark

Origin

China

HS Code

7304511001

Key features

High Strength Alloy Steel: 4130/4140 grades offer superior tensile strength, toughness, and impact resistance.

Versatile Delivery Conditions: Available in BK, BKW, BKS, GBK, NBK, and QT states to suit specific application needs.

Wide Industry Application: Ideal for automotive, aerospace, hydraulic tools, oil/gas, and machinery industries.

Strict Quality Control: Pre-production samples and final inspections ensure consistent high quality.

Customizable Options: Steel grade, delivery condition, and certificates can be customized per requirements.

Advanced Manufacturing: Cold drawn technique with special oil ensures low roughness and best surface condition.

Certified Standards: Meets ASTM A519 standards with ISO 9001 and TS16949 certifications available.

Global Trade Support: Supports multiple payment currencies and terms including FOB, CFR, CIF, and T/T.

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: ≤4.29h 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 advantages of 4140/42CrMo steel pipes?

They offer high tensile strength, toughness, and resistance to fracturing, abrasion, and impact in high-stress applications.

Q:What delivery conditions are available for these pipes?

Options include Cold drawn/hard (+C), Cold drawn/soft (+LC), Cold drawn and stress relieved (+SR), Annealed (+A), Normalized (+N), and Quenched and Tempered (QT).

Q:Which industries commonly use this product?

It is widely used in automotive, aerospace, hydraulic tools, oil and gas, agricultural, and defense industries.

Q:How do you guarantee product quality?

We provide pre-production samples before mass production and conduct final inspections before shipment.

Q:What payment terms and currencies are accepted?

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