What inspection methods are used for quality control?

We perform chemical composition analysis, mechanical properties testing, dimensional and visual inspection, and nondestructive inspection.

What is the warranty period for these products?

We provide a 5-year warranty for our seamless steel pipes to ensure product quality and customer satisfaction.

What are the main applications for these seamless pipes?

They are widely used in pipeline transport, boiler pipes, hydraulic/automobile systems, oil/gas drilling, machinery, chemical, and mining industries.

En10297-1 E355 Seamless Pipe E275 St52 SAE1045 DIN2391 St52 E215 E235 Seamless Steel Pipe

Name: En10297-1 E355 Seamless Pipe E275 St52 SAE1045 DIN2391 St52 E215 E235 Seamless Steel Pipe
Brand: TIANJIN BOER KING STEEL CO., LIMITED
SKU: 2011906252

Tianjin, ChinaTIANJIN BOER KING STEEL CO., LIMITED

US$540.00

1-9 Tons

US$520.00

10-19 Tons

US$500.00

20+ Tons

Sample price:US$1.00/ton.Request sample

Product profile

Customization

Available

After-sales Service

Support

Warranty

5year

Model NO.

E355 E275 St52 SAE1045

Type

Seamless

Technique

Hot Rolled /Cold Drawn

Material

Carbon /Alloy Steel

Surface Treatment

Bare, Black,Oiled ,PE Coating

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining

Section Shape

Round

Model No

E355 E275 St52 SAE1045

End

Bevel End(>2"), Plain (≤2")

Delivery Time

Shipped in 15-20 Days After Payment

Length

5.8m 6m Fixed, 12m Fixed, 2-12m Random.

Transport Package

Bundle with Steel Strips, Sea Worhty Packing

Specification

OD: 10mm-910mm; THK: 1.0-56mm;

Trademark

BKS

Origin

China

HS Code

730419

Production Capacity

2000 Tons/Month

Key features

Wide Standard Compliance: Meets API5L, ASTM, DIN, JIS, GB, EN, and ASME standards for global use.

Versatile Surface Treatment: Available in bare, oiled, black, PE coated, and 3LPE anti-corrosion options.

Flexible Length Options: Fixed lengths of 5.8m, 6m, 12m or random lengths from 2-12m available.

Comprehensive Inspection: Includes chemical, mechanical, dimensional, visual, and nondestructive testing.

Fast Delivery Time: Shipped within 15-20 days after receiving payment or L/C at sight.

5-Year Warranty: Provides a 5-year warranty period for peace of mind and quality assurance.

Professional Support: After-sales service support provided by experienced trading company specialists.

Multiple Payment Terms: Accepts L/C, T/T, Western Union, and PayPal for flexible transaction options.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Years of Export Experience

TIANJIN BOER KING STEEL CO., LIMITED

Tianjin, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2024-06-13Nearest Port: Tianjin,ChinaAverage Response Time: ≤7.84hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryTIANJIN BOER KING STEEL CO., LIMITED is identified as a China-based limited company and manufacturer/factory, also associated with a larger group. Its stated product range covers several steel pipe, tube, and steel plate/coil categories. The supplier has exported for 10 years, with exports representing 51%–70% of total sales, and reports OEM and ODM capabilities. However, it does not provide 3D software design, reports no new products in the past year, and has no stated in-stock, overseas warehouse, or overseas showroom capability. Service procedures exist for supplier assessment, corrective actions, and complaint handling, but no written records were provided. Financial-period entries are present, but the slices do not provide sufficient non-financial evidence to assess financial credibility. A BV audit is recorded, with an evaluation result of 0 and a report period from September 11, 2023 to September 10, 2024; the slices do not identify a certification held.

After-Sales capabilityThe supplier has procedures for customer complaint handling, corrective and preventive actions, and service-capability assessment, but no written records were provided for these processes. It also reports no in-stock service, overseas warehouse, or overseas showroom capability, indicating explicit limitations in service infrastructure.

R&D capabilityThe supplier reports no professional technical R&D capability, no new products in the past year, and no available SDK. It does provide ODM services, but the explicit lack of R&D indicators and recent product development is a deficiency for innovation capability.

Production capacityThe supplier is described as a manufacturer/factory offering seamless steel pipe, oil casing pipe, galvanized steel pipe, stainless steel pipe, boiler steel tube, and steel plate/coil. However, it reports no in-stock capability, while outsourcing procedures and manufacturing contracts are unknown; product scope supports production activity, but capacity depth cannot be fully verified.

Customization capabilityCustomization from samples is explicitly available, and the supplier reports both ODM services and OEM capability for popular brands. These records provide direct evidence of customization and private-label manufacturing capability.

Product Q&A

Q:What standards does this seamless steel pipe comply with?

It complies with numerous international standards including API5L, ASTM A106/A53/A213, DIN 17456/17458, JIS G3454, GB/T8163, EN10216-5, and ASME B36.10.

Q:What surface treatments are available for the pipes?

Options include bare, black, oiled, color paint, PE coating, and 3LPE anti-corrosive treatment to suit different environmental conditions.

Q:What are the standard length options for these pipes?

We offer fixed lengths of 5.8m, 6m, and 12m, as well as random lengths ranging from 2m to 12m, customizable upon request.

Q:How long is the delivery time after payment?

Delivery is typically within 15-20 days after receiving the deposit or L/C at sight, depending on the season and order quantity.

Q:What payment terms do you accept?

We accept L/C (Letter of Credit), T/T (Telegraphic Transfer), Western Union, and PayPal for secure and flexible transactions.