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20# Cold Drawn Precise Seamless Steel Pipe with Tolerance +/-0.1mm
US$498.00-788.00
5 Tons
Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Type

Seamless

Technique

Cold Drawn

Model NO.

20#

Material

Carbon Steel, Alloy Steel, Stainless Steel

Surface Treatment

Pickling

Usage

Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Round

Outer Diameter

18mm~114mm

Wall Thickness

0.8mm~20mm

Length

6meters, 9meters, 12meters, Random Length

Surface

Pickling, Polishing

End Processing

Plain Ends

Transport Package

Bundled, Wrapped, Wooden Cased.

Specification

GB/T8163, JIS, DIN2391

Trademark

Iron&steel

Origin

China

HS Code

73041990

Production Capacity

100 Tons Per Month

Key features

High Precision Tolerance: Outer diameter tolerance is strictly controlled at +/-0.1mm for superior accuracy.
Wide Customization Range: OD 18mm-114mm, Wall Thickness 0.8mm-20mm, Lengths 6m/9m/12m or random.
Multiple Material Options: Available in 20#, 45#, 20Cr, Q345B, Carbon Steel, Alloy Steel, and Stainless Steel.
Versatile Surface Treatment: Options include Pickling and Polishing for enhanced surface quality and durability.
Flexible Order Quantity: Accepts small quantity orders, suitable for diverse project requirements.
Broad Industrial Application: Ideal for pipeline transport, oil/gas drilling, machinery, chemical, and construction.
Strict Quality Standards: Complies with GB/T8162, GB/T8163, GB/T3639, and DIN2391-2 standards.
OEM/ODM Support: Full customization, minor customization, and flexible customization services available.

Company profile

Qingdao Ironsteel International Trading Co., Ltd.
Importers and ExportersYears of Export ExperienceManagement CertificationHigh Repeat Buyers Choice
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 years CertifiedNearest Port: Qingdao Port, Tianjin PortAverage Response Time: ≤6.27h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design, ODM, OEM, and broad customization services. It reports quality-related certification support, including API, ISO, IBR, and SGS certifications, and holds an ISO9001:2015 certificate. Production and service lead times are stated as within 15 working days in both peak and off-peak seasons, with 11–20 quality-control staff and North America as the primary export market. However, the supplier has no available SDK, launched no new products in the past year, has only one year of R&D engineer experience reported, and lacks overseas showrooms, agents or branches, and offline trade-show participation. Environmental assessment documentation, raw-material traceability status, quality assurance status, and several process records are incomplete or unavailable. OEM service for popular brands provides evidence of customer-related experience, but no specific customer names or cases are supplied.
Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and provides 3D software design services. It also offers ODM and OEM services, indicating both technical-service and manufacturing capabilities.
CertificationsThe supplier states that it can provide certifications such as API, ISO, IBR, and SGS according to customer requirements, and specifically reports an ISO9001:2015 certificate. This is explicit evidence of certification-related capability, although no separate certificate details or validity dates are provided.
After-Sales capabilityThe supplier has no overseas showroom, overseas agent or branch, or offline trade-show participation, and reports zero countries with overseas services. It has written procedures for corrective actions and complaint handling, but no written records, so international after-sales coverage and documented execution remain limited.
R&D capabilityThe supplier provides professional technical services, 3D design, ODM, and customization, but reports no available SDK and no new products launched during the past year. Only one year of total R&D engineer experience is stated, while product-information R&D capability is also marked as having no new products, limiting evidence of recent innovation output.
Production capacityThe supplier reports 11–20 quality-control staff, an annual production-output range, and lead times within 15 working days during both peak and off-peak seasons. These statements support production and fulfillment capability, although detailed production capacity, equipment, and factory performance records are not provided.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its stated 3D design, ODM, and OEM services further support a broad ability to adapt products to customer requirements.

Product Q&A

Q:What is the tolerance for the outer diameter?
A:
The tolerance for the outer diameter is strictly controlled at +/-0.1mm.
Q:What materials are available for these steel pipes?
A:
We offer Carbon Steel, Alloy Steel, and Stainless Steel, including grades 20#, 45#, 20Cr, and Q345B.
Q:Can I customize the dimensions of the pipes?
A:
Yes, we provide full customization. Outer Diameter ranges from 18mm to 114mm, and Wall Thickness from 0.8mm to 20mm.
Q:What are the standard length options?
A:
Standard lengths include 6 meters, 9 meters, and 12 meters. Random lengths are also available upon request.
Q:What surface treatments are offered?
A:
We provide Pickling and Polishing surface treatments to ensure high quality and corrosion resistance.

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