Does the product have quality inspection before loading?

Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.

How to pack the products?

The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It caneffectively protect products from corrosion during ocean transportation.

What is the minimum order quantity?

The minimum order quantity is 1000 kg.

Seamless Alloy Steel Tube - Superior Strength and Longevity Guaranteed

Name: Seamless Alloy Steel Tube - Superior Strength and Longevity Guaranteed
Brand: Shandong Tongmao Special Steel Co., Ltd.
SKU: 2186232385

Shandong, ChinaShandong Tongmao Special Steel Co., Ltd.

US$650.00

10-49 Tons

US$600.00

50-199 Tons

US$500.00

200+ Tons

Sample price:US$20.00/meter.Request sample

Product profile

Customization

Available

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

Round

Od

10-420mm

Wt

1-60mm

Length

6-12m

Standard

ASTM A106/53, A516API 5L Gr.B X52, X60

Transport Package

Standard Packing for Export

Specification

20-420mm

Trademark

tongmao

Origin

China

HS Code

7304199000

Production Capacity

5000tons/Month

Key features

Customizable Dimensions: OD: 10-420mm, Wall Thickness: 1-60mm, Length: 6-12m, tailored to specific needs.

Versatile Applications: Suitable for pipeline transport, boilers, hydraulic systems, oil/gas drilling, and construction.

Fast Delivery Cycle: Standard delivery within 10-15 days; expedited options available for urgent orders.

Robust Packaging: Waterproof paper, iron packaging, and fumigation wooden pallets protect against corrosion.

Quality Assurance: ISO 9001 certified with strict pre-loading quality inspections and SGS/EWC certifications.

Flexible Payment Terms: Supports L/C, T/T, Western Union, and MoneyGram for convenient transactions.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceManagement Certification

Shandong Tongmao Special Steel Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.99h

AI-Powered supplier vetting

SummaryThe supplier is a limited-company trading company with eight employees and a product scope covering copper, aluminum, steel, brass, and stainless-steel products. It has self-operated import/export rights, eight years of export experience, and exports account for 71%–90% of total sales. Production information states annual capacity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. However, the supplier reports no overseas showrooms, agents, branches, or offline trade-show participation, and has no written complaint-handling, corrective-action, or supplier-service assessment procedures. Quality controls include quality assurance, but finished products are randomly inspected and checked by packing staff, with one quality inspector and no raw-material traceability. Innovation and formal R&D capabilities are limited: no new products were launched in the previous year, and no 3D design, ODM, SDK, or popular-brand OEM services are...

After-Sales capabilityThe supplier has no overseas showroom, overseas agent or branch, or offline trade-show participation. It also has no written corrective-and-preventive-action procedures, complaint-handling procedures, or effective supplier-service assessment records, although it accepts multiple quotation and payment terms and reports lead times within 15 working days.

R&D capabilityThe supplier reports no new products in the previous year and does not provide 3D software design, ODM, SDK, or popular-brand OEM services. Its stated R&D-related service is customization from samples, indicating limited innovation capability rather than a documented product-development program.

Production capacityThe supplier provides stated annual productivity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. It has export experience of eight years, self-operated import/export rights, and export sales of 71%–90%; however, quality inspection is limited to random inspection, packing-staff checks, one inspector, and no raw-material traceability.

Customization capabilityCustomization from samples is explicitly available in both the R&D/design-related and product-capability information. No broader 3D, ODM, SDK, or formal product-development capability is stated, so the confirmed capability is sample-based customization.