St52 Carbon Steel Seamless Square Pipe for Mechanical Engineering Projects

Name: St52 Carbon Steel Seamless Square Pipe for Mechanical Engineering Projects
Brand: XINBAOLONG STEEL CO..LIMITED
SKU: 2314104215

Shandong, ChinaXINBAOLONG STEEL CO..LIMITED

US$528.00

10-24 Tons

US$512.00

25-49 Tons

US$485.00

50+ Tons

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

One Year

Model NO.

Diameter: 50 millimeters, wall thickness: 4 millim

Type

Seamless

Technique

Hot Rolled

Material

Carbon Steel

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

Temperature Classification

High Temperature Piping

MPa Classfication

High Pressure Piping

Standard

ASTM, GB, DIN, JIS

Cross-Section Shape

Round

Connection Type

Seamless

Diameter

Customized

Medium

Liquid/Gas

Product Name

Carbon Steel Seamless Pipe

Outer Diameter

20mm~1200mm

Wall Thickness

2mm~120mm

Length

as Required Length by Client

Transport Package

Standard Export Package

Specification

Customized Size

Trademark

CHANGFA

Origin

Liaocheng City, Shandong Province

HS Code

7304511090

Production Capacity

50000 Tons/Year

Key features

Customized Dimensions: Outer diameter 20mm-1200mm, wall thickness 2mm-120mm, length as required.

Wide Standard Compliance: Meets ASTM, GB, DIN, JIS, and GOST international standards.

Flexible Surface Treatment: Black painted, varnished, anti-corrosive oil, galvanized, or custom options.

Diverse Material Grades: Includes Q195, Q235, Q345, 20#, 45#, and various ASTM grades.

Customized Pipe Ends: Plain, inclined, threaded, socket, or customized per client requirements.

OEM/ODM Services: Professional manufacturer offering flexible customization and technical support.

Quality Assurance: Strict quality inspection before loading; ISO and mill test certificates provided.

Fast Delivery: Inventory available in 10 days; production lead time 15-25 days.

Company profile

Fast DeliveryODM ServicesR&D Capabilities

XINBAOLONG STEEL CO..LIMITED

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 1 year CertifiedNearest Port: TianjinAverage Response Time: ≤4.82h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company whose scope covers metal materials, metal structures and products, mechanical equipment, hardware, special steel, chains, construction reinforcement products, building materials, mechanical components, and non-ferrous alloys. It offers flexible customization, ODM services, and OEM services for popular brands, but has only one R&D engineer and no SDK. Quality assurance is stated, although finished-product inspection is based on random checks and packing-staff inspection, with one quality inspector and no raw-material traceability. No management-system certification is reported. Overseas service infrastructure is limited, with no overseas showroom, agents, branches, or offline trade-show participation. Financial records are indicated for 2022–2024, but no financial results are provided.

Supplier typeThe supplier is explicitly classified as a Trading Company. Its listed business scope covers a broad range of metal materials, structures, products, machinery, hardware, construction materials, and components, indicating a trading-oriented supplier rather than an explicitly identified manufacturer.

CertificationsThe supplier’s certification of management systems is reported as NIL. Therefore, no management-system certification is evidenced in the provided information.

After-Sales capabilityThe supplier has no overseas showroom, agents, branches, or recorded offline trade-show participation. It also reports no written procedures or records for handling customer complaints or corrective and preventive actions, which indicates a documented after-sales service weakness.

Customization capabilityThe supplier explicitly reports flexible customization and provides ODM services, demonstrating support for customized product or design requirements. No further limits on customization scope are stated.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional manufacturer for steel pipes and a technical foreign trade company for steel products with extensive export experience, competitive prices, and excellent after-sales service.

Q:Can you send samples?

Yes, we can send samples to all parts of the world. Samples are free, but customers need to bear the courier costs.

Q:How are product prices determined?

Prices vary from period to period due to cyclical changes in the price of raw materials.

Q:How long does your delivery time take?

In general, our delivery time is within 7-25 days, and may be delayed if the demand is extremely large or special circumstances occur.

Q: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.