What are the standard sizes for square and rectangular tubes?

Square tubes range from 10x10mm to 500x500mm, and rectangular tubes from 20x10mm to 200x400mm, with customizable lengths.

What is the average lead time for delivery?

The average lead time is within 15 workdays for both peak and off-season periods.

5L A53 A106 Gr. B Pre-Galvanized Tube Square/Round Galvanized Steel Pipe

Name: 5L A53 A106 Gr. B Pre-Galvanized Tube Square/Round Galvanized Steel Pipe
Brand: Shandong Baotai Metal Materials Group Co., Ltd.
SKU: 2042261282

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

US$486.00

1-49 Tons

US$450.00

50-99 Tons

US$427.00

100+ Tons

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

5 Years

Warranty

5 Years

Model NO.

Type

Welded

Technique

Hot Rolled

Material

Carbon Steel

Surface Treatment

Galvanized

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

Product Name

Galvanzied Steel Pipe

Pipe Type

Galvanized Square Pipe/Round Pipe/Rectangular Pip

Grade

Q195 Q215 Q235 Q345 S235jr Dx51d Dx52D

Diameter

1/2"-4"

Length

1-12meters( Normal Length6000mm, Accept Fixed Leng

Thickness

0.4-12 mm

Surface Technology

Pre Coated Galvanized/Hot-DIP Galvanized

Sample

Provide

Process

Paint, Punching Holes

End Treatment

Plain, Beveled, Threaded, Necking Down..

Market

South America/North America/Africa/Asia/Middle EAS

Price Term

Fob, CFR, CIF, EXW, LC, etc.

Delivery Time

7-15 Days

Transport Package

Standard Packing

Specification

DN20-400mm

Trademark

Baotai

Origin

China

Production Capacity

5000 Tons/Month

Key features

Wide Application Range: Suitable for construction, oil/gas drilling, machinery, chemical industry, and pipeline transport.

Multiple Galvanizing Options: Available in pre-galvanized, hot-dipped, electro-galvanized, and painted surface treatments.

Customizable Dimensions: Square and rectangular tube sizes can be customized based on specific customer requirements.

Extensive Grade Selection: Offers various steel grades including Q195, Q235, Q345, S235JR, and ASTM A53 Gr. B.

Large Inventory Support: Annual spot reserves exceed 1 million tons, ensuring short delivery times for urgent orders.

24/7 Professional Service: Factory manager and service team available 24 hours a day for inquiries and support.

Strict Quality Control: Pre-production samples and final inspections are conducted before mass production and shipment.

Flexible Payment Terms: Accepts T/T, L/C, D/P, D/A, Credit Card, PayPal, Western Union, and other methods.

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: ≤5.65hTerms 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.