What quality standards do your seamless steel pipes conform to?

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

How to deal with quality problems after receiving the seamless steel pipes?

Contact our team 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, or compensation. Lifelong technical support is also provided.

Secondary Processing Steel Tube for Precision Machining and Quality Assurance

Name: Secondary Processing Steel Tube for Precision Machining and Quality Assurance
Brand: Shandong Jingshang Steel Pipe Co., Ltd
SKU: 2276775955

Shandong, ChinaShandong Jingshang Steel Pipe Co., Ltd

US$750.00

1-9 Tons

US$720.00

10-49 Tons

US$680.00

50-99 Tons

US$650.00

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.

10-400mm

Type

Customization

Technique

Cold Drawn

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

Round

Brand

Shandong Jingshang

Product Name

Shandong Jingshang

Advantage

Quality+Competitive Price+Professional Service

Surface

Ba Ep MP Brushed/Mirror

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

Seamless Structure: No weld seam ensures reliable pressure resistance, strong sealing, and no cracking during bending.

Customizable Specifications: Outer diameter 10-400mm and wall thickness 1-50mm can be customized according to customer requirements.

Wide Material Selection: Available in carbon steel, alloy steel, and stainless steel options including 10#, 20#, 45#, 304, 316.

Comprehensive Certification: Products comply with ISO9001, SGS, CE standards and international specs like ASTM A106/A53.

Fast Delivery Time: Standard delivery within 5-15 days after contract signing or as per customer requirements.

Professional Manufacturer: Established in 2001 in Liaocheng, offering competitive factory prices and strict quality control.

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: ≤3.39h

AI-Powered supplier vetting

SummaryShandong Jingshang Steel Pipe Co., Ltd. is a China-based limited company established in 2017, with 28 employees, more than 10 production lines, inventory capability, and stated annual output information. It demonstrates flexible customization, 3D software design services, professional technical supplier status, and new product development during the past year. Quality controls include finished-product inspection instructions, quality assurance, and raw-material traceability. However, the supplier has no management-system certification, lacks written records for complaint handling and corrective/preventive actions, and has no written procedures or records for effective supplier-service assessment. Manufacturing capacity is not supported by a valid contract with affiliated subcontractors. Overseas support is limited, with no overseas warehouse, showroom, agent, branch, or offline trade-show participation. Export activity and self-operated import/export rights are indicated, but export experience is stated...

Supplier typeThe supplier is identified as a professional technical supplier and a combined limited company, with a business scope covering metal-material manufacturing, bearing-steel production, and import/export activities. This supports classification as a manufacturing and technical supplier rather than only a trading intermediary.

CertificationsSupplier management-system certification is explicitly recorded as NIL. Although quality assurance and raw-material traceability are present, no formal management-system certification is evidenced.

R&D capabilityThe supplier is identified as a professional technical supplier, provides 3D software design services, offers flexible customization through R&D, and reportedly launched new products during the past year. These are explicit indicators of active technical and product-development capability.

Production capacityThe supplier reports more than 10 production lines, 20 professional technicians, over 100 workers in its company description, inventory capability, uniformly followed finished-product inspection instructions, and peak/off-season lead times within 15 working days. However, the manufacturing-capacity arrangement with affiliated subcontractors lacks a valid contract, creating a documented governance weakness despite the stated production resources.

Customization capabilityThe supplier explicitly customizes materials and specifications according to customer needs, samples, and drawings. Its R&D capability also provides flexible customization and 3D software design services, directly supporting customized product development.

Product Q&A

Q:What are the main cooperation models for seamless steel pipes?

We provide flexible modes including long-term strategic procurement, customized OEM production, sample trial orders, and regional agency distribution. Exclusive plans with priority production and bulk discounts are available for large-volume buyers.

Q:What is the minimum order quantity (MOQ) for seamless steel pipe orders?

The MOQ is 1 ton for trial orders of conventional standard pipes and 5 tons for formal bulk orders. For customized products with special materials or non-standard sizes, MOQ can be adjusted flexibly to support small-batch trials.

Q:How long is the production lead time for bulk seamless steel pipe orders?

Standard seamless pipes take 7-12 working days after advance payment. Customized orders with special heat or surface treatment require 15-25 working days. Regular progress updates are provided to ensure on-time delivery.

Q:What materials and specifications of seamless steel pipes do you supply?

We supply premium materials like 10#, 20#, 45# carbon steel, Q355B, and 304/316 stainless steel. Specifications cover OD 4mm-620mm and wall thickness 0.5mm-100mm, with full customization available per customer drawings.

Q:Do you provide customized processing services for seamless steel pipes?

Yes, we offer fixed-length cutting, chamfering, bending, drilling, tapping, galvanizing, phosphating, and heat treatment. Our technical team develops targeted solutions based on your drawings and technical parameters.