What is the minimum order quantity?

The minimum order quantity is 1 ton.

What standards do your steel pipes comply with?

Our products comply with standards such as EN10219, EN10210, GB/T 6728, JIS G3466, ASTM A500, and A36.

What is the warranty period for the product?

We provide a 1-year warranty for the product.

High Quality 15150.5mm-50050015mm Ms Carbon Black Steel Square Pipe

Name: High Quality 15*15*0.5mm-500*500*15mm Ms Carbon Black Steel Square Pipe
Brand: Shandong Hongyan Metal Material Co., Ltd.
SKU: 2089886652

Shandong, ChinaShandong Hongyan Metal Material Co., Ltd.

High Quality 15*15*0.5mm-500*500*15mm Ms Carbon Black Steel Square Pipe

US$475.00

5-49 Tons

US$455.00

50-99 Tons

US$430.00

100-199 Tons

US$410.00

200+ Tons

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

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

Section Shape

Square

Alloy or Not

Non-Alloy

Standard

JIS DIN ASTM En BS AISI

Grade

A36

Special Pipe

Thick Wall Pipe

Thickness

0.6 - 25 mm

Length

12m, 6m

Processing Service

Welding, Punching, Cutting, Bending

Product Name

Carbon Steel Square Tube

Surface

Black

Outer Diameter

10mm*10mm - 500mm*500mm

Keyword

Carbon Steel Square Pipe

Transport Package

Standard Packing

Specification

Customized

Trademark

HongYan

Origin

China

HS Code

7304119000

Production Capacity

5000ton

Key features

Wide Size Range: Available in sizes from 15x15x0.5mm to 500x500x15mm for diverse applications.

Multiple Standards: Complies with JIS, DIN, ASTM, EN, BS, and AISI standards including A36 and Q235.

Versatile Usage: Suitable for pipeline transport, boilers, hydraulic systems, oil drilling, and construction.

Quality Certifications: Holds ISO 9001, ISO 18001, ISO 14001, CE, UL, and FPC certificates.

Flexible Customization: Offers customization from samples, designs, full customization, and minor adjustments.

Fast Delivery: Delivery time is 5-15 days after payment, or 2 days if stock is available.

Free Sample Offer: Provides one free 20cm sample length with freight collected for price evaluation.

Strict Quality Control: Inspected by experienced staff and accredited labs; third-party inspection like SGS accepted.

Company profile

Fast DeliveryQuality AssuranceProduct CertificationHigh Repeat Buyers Choice

Shandong Hongyan Metal Material Co., Ltd.

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.44h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShandong Hongyan Metal Material Co., Ltd. is a China-based trading company established in 2020, although the supplied records also identify the company as a factory and describe broad metal-product manufacturing activities. It offers extensive customization, but does not provide ODM, SDK, or OEM services for popular brands and reports no new products in the past year. The supplier states annual production capacity of approximately 200,000 tons and exports to multiple countries, with exports representing 90% of total sales. However, finished-product inspection is performed by packing staff, and documented supplier-service assessment and corrective-action procedures are absent. The supplier reports CE certification and regular fire drills, but lacks a factory environmental impact assessment report. In-stock capability, overseas warehouses, showrooms, and overseas agents or branches are not available. Customer locations and export experience are described, but named customer cases are not provided.

CertificationsThe supplier reports CE and other certification under sustainable development and product certification capability. The specific products, certificate validity, and scope of the CE certification are not provided.

After-Sales capabilityThe records show a maximum stated off-season lead time of within 15 workdays, but finished products are checked by packing staff. The supplier has no in-stock capability, overseas warehouse, overseas showroom, or overseas agent/branch, and has no written service-capability assessment or corrective/preventive-action procedures. These records do not establish a robust after-sales service system.

R&D capabilityThe supplier reports no new products during the past year, no ODM service, and no available SDK. Although it offers design-related customization, the explicit absence of new-product development and ODM/SDK support indicates limited demonstrated innovation capability.

Production capacityThe supplier’s stated scope includes multiple metal and machinery manufacturing activities, and its company description claims production capacity of approximately 200,000 tons per year. However, the records also classify it as a trading company and do not provide independent verification of facilities, equipment, or capacity utilization.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. This is consistent across both design-service records and demonstrates broad stated customization coverage, despite the absence of ODM service.

Product Q&A

Q:How can I get a quotation from you?

You can leave us a message, and we will reply in time. You can also find our contact information on the contact page.

Q:Can I get samples before order?

Yes, of course. Usually our samples are free. We can produce by your samples or technical drawings and build molds and fixtures.

Q:What is your delivery time?

The time of delivery is usually around 1 month (1*40FT as usual). We can send out in 2 days if it has stock.

Q:What is your payment terms?

Our usual payment term is 30% deposit, and the rest against B/L. L/C is also acceptable.

Q:How do you make our business long-term and good relationship?

We keep good quality and competitive price to ensure our customers benefit. We respect every customer and regard them as friends, no matter where they are from.