What are the standard surface treatments?

Surface treatments include bare, oiled, color paint, 3LPE, and other anti-corrosive treatments to ensure prime quality.

8'' Rectangular Square Tube Welded Galvanized Hollow Section Black Seamless Square Pipe

Name: Ptr 3X3 6X3 6X4 10X6 Inch 1/4'' 3/8'' Rectangular Square Tube Welded Galvanized Hollow Section Black Seamless Square Pipe
Brand: Shandong Baotai Metal Materials Group Co., Ltd.
SKU: 2042364782

Shandong, ChinaShandong Baotai Metal Materials Group Co., Ltd.

US$620.00

5-49 Tons

US$565.00

50-99 Tons

US$525.00

100+ Tons

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

1 Year

Model NO.

Type

Welded

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

Rectangular

Shape

Square/Round

out Diameter

1/2"-48"

Ends

Plain or Beveled

Wall Thickness

0.5mm-80mm

Certification

ASME, ANSI, DIN, JIS, BS, GB, Ks, API

Technics

Pushing

Thickness

0.5mm-600mm

Application

Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pip

Alloy or Not

Not Alloy

Length

12m, 11.8m, 6m, 5.8m, or as Required

Technology

ERW Welded Square Tube

Tolerance

Plusmn;1%

Materials

Q195/Q235/Q345 Ss400

Package

Covered with Tarpaulin, Containers or in Bulk

Delivery Time

Stock or Usually Within 10-45 Days After Receipt O

Transport Package

Standard Packaging

Specification

Customized

Trademark

BAOTAI

Origin

China

HS Code

7304191000

Production Capacity

50000 Tons/Month

Key features

Wide Customization Range: Customizable shape, size, wall thickness, and length to meet specific project requirements.

Extensive Material Options: Available in Q195, Q235, Q345, SS400, and various stainless steel grades for diverse applications.

Flexible Delivery Options: Stock available for immediate shipment; custom orders delivered within 10-45 days after receipt.

Professional After-Sales Support: 24/7 online technical support and professional logistics team to ensure smooth delivery.

High Inventory Capacity: Annual spot reserve exceeds 1,000,000 tons, ensuring short delivery times and stable supply.

Versatile Application Scope: Suitable for pipeline transport, oil/gas drilling, construction, machinery, and chemical industries.

Strict Quality Control: Pre-production samples and final inspections before shipment to guarantee product quality.

Company profile

High Repeat Buyers ChoiceMulti-language PioneerIn-stock CapacityFast Delivery

Shandong Baotai Metal Materials Group Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2021-08-11Nearest Port: QINGDAO TIANJIN SHANGHAIAverage Response Time: ≤7.20hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company operating in wholesale and retail, with a broad scope covering metal structures, building materials, hardware, electrical and electronic products, and related items. It reports export activity for three years, with exports representing 51%–70% of total sales, including agency exports. The supplier offers extensive customization and OEM services for well-known brands, but no SDK is available. Service operations show documented procedures for supplier assessment, corrective actions, and complaint handling, while peak- and off-season lead times are within 15 working days. Inventory capability is stated, but overseas warehouse and showroom capabilities are absent. Financial and cash-flow records are indicated for 2021–2023, although no performance values are provided. Quality assurance and traceability statuses are unknown, and quality-control testing equipment is reported as zero.

Supplier typeThe supplier is explicitly classified as a trading company, with associated companies in wholesale and retail. Its registered and physical addresses are both in Jinan, China, while its business scope spans metal, construction, hardware, electrical, communication, office, and electronic products.

After-Sales capabilityThe supplier has written and followed procedures for service-capability assessment, corrective and preventive actions, and customer complaints, and reports in-stock service capability. However, overseas warehouse and showroom capabilities are absent, while quality-assurance and traceability statuses are unknown.

R&D capabilityThe supplier provides R&D-capability information, but explicitly reports that no SDK is available. The slices do not provide evidence of patents, laboratories, engineering personnel, or other measurable innovation outputs.

Customization capabilityThe supplier explicitly supports customization from samples and designs, full and minor customization, flexible customization, and OEM services for well-known brands. These statements provide direct evidence of broad customization capability.

Product Q&A

Q:What are the available customization options?

We offer customization for shape (Square/Round), outer diameter (1/2'-48'), ends (Plain or Beveled), wall thickness (0.5mm-80mm), and length (12m, 11.8m, 6m, 5.8m, or as required).

Q:What is the typical delivery time?

We have stock available for immediate shipment. For custom orders, delivery is usually within 10-45 days after receipt of payment.

Q:What after-sales services do you provide?

We provide 24/7 online technical support and have a professional after-sales team to assist with any issues.

Q:How do you guarantee product quality?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment.

Q:What payment terms and currencies are accepted?

Accepted payment types include T/T, L/C, D/P, D/A, PayPal, Western Union, and others. Currencies include USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF.