What quality standards do your pipes conform to?

Our pipes comply with ASTM A519, DIN 2391, EN 10305, and GB/T 3639. We conduct ultrasonic flaw detection, hydrostatic pressure tests, and mechanical property analysis, providing material certification (MTC) for each batch.

How do you handle quality problems after receipt?

Contact us within the warranty period with photos and order details. We respond within 12 hours and provide a solution within 24 hours, including free return, replacement, reprocessing, or compensation. Lifelong technical support is also provided.

20# Alloy Steel Rectangular Tube for Mechanical Processing Pipe

Name: 20# Alloy Steel Rectangular Tube for Mechanical Processing Pipe
Brand: Shandong Jingshang Steel Pipe Co., Ltd
SKU: 2285292745

Shandong, ChinaShandong Jingshang Steel Pipe Co., Ltd

US$620.00

1-9 Tons

US$600.00

10-49 Tons

US$550.00

50-99 Tons

US$520.00

100+ Tons

Sample price:US$10.00/branch.Request sample

Product profile

Customization

Available

After-sales Service

24-Hour Customer Service Response

Warranty

12 Months

Model NO.

10-300mm

Type

Seamless

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Black

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Square

Brand

Shandong Jingshang

Product Name

Seamless Steel Tube

Advantage

Quality+Competitive Price+Professional Service

Surface

Bare Pipelines, Rust Proof Coating

Delivery Time

7-21 Days

Transport Package

Standard Export Sea Suitable Packaging

Specification

customizable

Trademark

Original factory

Origin

Liaocheng, Shandong, China

Production Capacity

20000tons

Key features

Customizable Dimensions: Size 20x20mm-400x400mm and wall thickness 1-20mm can be customized per requirements.

High Precision & Stability: Seamless structure with tight dimensional tolerance, uniform wall thickness, and high torsion resistance.

Wide Material Selection: Available in 10#, 20#, 45# carbon steel, Q345, stainless steel, and various alloy grades.

Anti-Corrosion Durability: Options include black, hot-dip galvanized, and painted finishes for extended outdoor service life.

Flexible Processing: Weldable, punchable, and bendable; supports custom cutting, chamfering, and surface treatments.

Global Certifications: Compliant with ASTM, ANSI, GB standards; holds ISO9001, SGS, and CE certifications.

Fast Delivery: Standard production lead time is 7-12 days; customized orders take 15-25 days.

Professional OEM/ODM: Supports customized brand, surface treatment, and specific technical parameter requirements.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedIn-stock Capacity

Shandong Jingshang Steel Pipe Co., Ltd

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 2 years CertifiedNearest Port: QingdaoAverage Response Time: ≤2.70h

AI-Powered supplier vetting

SummaryShandong Jingshang Steel Pipe Co., Ltd is a limited company in China with a focus on manufacturing and exporting metal materials, particularly bearing steel products. The company has a solid R&D foundation, evident from its ability to introduce new products and provide flexible customization and 3D software design services. However, it lacks overseas warehouse and showroom capabilities, and has no valid contracts with subcontractors for manufacturing. Its quality control processes are robust, yet its corrective and preventive actions lack documentation. With over half of its sales from exports, the firm has been exporting for two years and operates more than ten production lines. Despite having no formal certifications, it has a commitment to product quality and customer satisfaction.

Supplier typeThe supplier is a combined type, limited company based in China, specializing in manufacturing and exporting metal materials.

CertificationsThe supplier does not hold any certifications for its management systems.

After-Sales capabilityThe company commits to customer satisfaction through comprehensive after-sales service.

R&D capabilityThe supplier shows innovation capability by introducing new products in the past year and offering flexible customization and design services.

Production capacityWith over ten production lines and a workforce of over 100, the supplier demonstrates significant production capacity.

Customization capabilityThe supplier offers flexible customization services, adapting materials and specifications per customer needs.

Product Q&A

Q:What are the main cooperation models?

We offer long-term strategic procurement, customized OEM production, sample trial orders, and regional agency distribution. Exclusive plans with priority production and fixed price protection are available for large-volume buyers.

Q:What is the minimum order quantity (MOQ)?

For conventional standard seamless steel pipes, the MOQ is 1 ton for trial orders and 5 tons for formal bulk orders. For customized products, the MOQ can be adjusted flexibly based on production conditions.

Q:How long is the production lead time?

Standard seamless steel pipes take 7-12 working days after payment confirmation. Customized orders with special treatments require 15-25 working days. Regular progress updates are provided to ensure on-time delivery.

Q:What materials and specifications do you supply?

We supply 10#, 20#, 45# carbon steel, Q355B, and 304/316 stainless steel. Specifications range from 4mm to 620mm outer diameter and 0.5mm to 100mm wall thickness, with full customization available per customer drawings.

Q:Do you provide customized processing services?

Yes, we offer fixed-length cutting, double-end chamfering, bending, drilling, tapping, surface galvanizing, phosphating, bright annealing, sandblasting, and heat treatment based on your technical parameters or drawings.