What is the delivery time?

Delivery is within 20 days or as per your specific request.

Which standards do the tubes meet?

Products comply with EN10025, EN10219, and ASTM A500 standards.

What are the main applications?

Used in pipelines, boilers, machinery, construction, shipbuilding, and more.

Hollow Section ASTM A36 St37-2 Rectangular Carbon Steel Tube

Name: Hollow Section ASTM A36 St37-2 Rectangular Carbon Steel Tube
Brand: Shandong Heng Steel Group Co., Ltd.
SKU: 1988139222

Shandong, ChinaShandong Heng Steel Group Co., Ltd.

US$550.00-950.00

5 Tons

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

Astm A36 St37-2 Rectangular Carbon Steel Tube

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

Name

ASTM A36 St37-2 Rectangular Carbon Steel Tube

Steel Grade

Q235,Q255,Q275,Ss400,A36,Sm400A,St37-2...

Thickness

0.5-20mm

Width

20X40--400X600mm

Length

3m,6m,9m,12m or as Your Require

Process

Hot Rolled,Cold Drawing...

Surface

Black,Galvanized,Oiled,Pickling...

Applications

Beams, Bridges, Ship,Tower,Building...

Tolerance

According to Standard

MOQ

5mt

Package

Standard Export Package

Payment

T/T

Price Term

Fob,CIF,CFR,CPT,DDP,DDU...

Loading

20/40FT

Loading Quantity

25~27tons/Container

Transport Package

Standard Sea Worthy Packing

Specification

20x40--400x600mm

Trademark

Heng Steel

Origin

China

HS Code

7306610000

Production Capacity

30000 Ton / Month

Key features

Customizable Dimensions: Width 20x40-400x600mm, Thickness 0.5-20mm, Length 3-12m or as required.

Multiple Steel Grades: Available in Q235, Q255, Q275, Ss400, A36, Sm400A, St37-2 and more.

Versatile Surface Treatment: Options include Black, Galvanized, Oiled, and Pickling for rust prevention.

Wide Application Scope: Suitable for pipelines, boilers, machinery, construction, and shipbuilding.

Standard Compliance: Meets EN10025, EN10219, and ASTM A500 standards.

Fast Delivery: Delivery within 20 days or as per your specific request.

Flexible Payment Terms: Accepts T/T, L/C at sight, PayPal, and Western Union.

Professional Manufacturer: 15 years manufacturing experience with 12 years export history.

Company profile

Shandong Heng Steel Group Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2011-10-17Nearest Port: Qingdao, Tianjin, ShanghaiAverage Response Time: ≤4.10hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CIP

AI-Powered supplier vetting

SummaryShandong Heng Steel Group Co., Ltd. is identified as a China-based manufacturer/factory and group corporation producing galvanized and other steel products. The supplier reports more than 10 production lines, four factories, 6–10 quality-control staff, and 21–30 years of combined R&D engineer experience. It lists numerous management and quality-related certifications and states that exports account for 90% of total sales. Service descriptions mention stock and application information, logistics tracking, quality inspections, sample support, and transportation safety procedures. However, the provided information does not establish contract status, inventory capacity, overseas facilities or agents, ODM/OEM services, SDK or design capability, raw-material traceability, customer cases, or detailed production volumes. Financial information is not assessed.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and Group Corporation, operating as Shandong Heng Steel Group Co., Ltd. in Shandong, China. The audit record also identifies galvanized coil and steel coil as its primary products, supporting its classification as a steel manufacturing supplier.

CertificationsThe supplier lists multiple management, quality, environmental, occupational-safety, and industry certifications, including ISO 9001, ISO 14001, OHSAS/OHSMS 18001, ASME, and TS 16949. A TUV Rheinland audit is recorded with a validity period from September 18, 2025 to September 17, 2026, although the supplied audit result code is not explained.

After-Sales capabilityThe supplier describes after-sales support involving price and product suggestions, transport-status updates until pickup, stockpile and application information, and logistics tracking. It also reports sample support and quality-control procedures, but the specific after-sales service scope, response standards, and overseas service capabilities remain unverified.

Production capacityProduction resources are supported by the stated four factories, more than 10 production lines, 6–10 quality-control staff, and product categories covering galvanized coil, galvanized roofing sheet, wear-resistant plate, weather-resistant plate, and boiler/pressure-vessel plate. Annual productivity quantities are not provided, while the supplier reports that exports represent 90% of total sales.