Do you provide after-sales service?

Yes, we provide after-sales service and warranty coverage for our products.

What is the diameter range of the seamless tubes?

The outer diameter ranges from 12mm to 720mm.

Premium Seamless Steel Tubes for High-Performance Industrial Boilers

Name: Premium Seamless Steel Tubes for High-Performance Industrial Boilers
Brand: Qingdao Wanrunda Imp and Exp Co., Ltd.
SKU: 698118742

Shandong, ChinaQingdao Wanrunda Imp and Exp Co., Ltd.

US$700.00

10-39 Tons

US$690.00

40+ Tons

Product profile

Customization

Available

After-sales Service

Provide

Warranty

Provide

Model NO.

OD12mm to 1020mm, thickness: 1.5mm to 100mm

Type

Seamless

Technique

Hot Rolled/Cold Draw/Perforation

Material

10#\20#\35#\45#\20cr\40cr\42CrMo\16mn

Surface Treatment

Black

Usage

Machinery Industry, Chemical Industry, Mining, Special Purpose, Bridge,Ship,Boiler

Section Shape

Round

Diameter Range

Od12mm-720mm

Wall Thickness Range

2-20mm

Material Grade

Q355, 10#\20#\A106 B, 16mn

Length

1-12meters

Transport Package

to Be Straped in to Bundles or by Requirement

Specification

OD12mm to 1020mm, WT: 1.5-100mm random length

Trademark

Wanrunda

Origin

Tianjin/Hebei/Qingdao

HS Code

7303009000

Production Capacity

100000mt/Year

Key features

Wide Diameter Range: Available in OD 12mm to 720mm for diverse industrial applications.

Customizable Wall Thickness: Wall thickness ranges from 2mm to 20mm to meet specific pressure requirements.

Multiple Material Grades: Offers Q355, 10#, 20#, A106 B, 16mn, and alloy grades like 12Cr1MoV.

Fast Delivery Time: Delivery within 20 days after receiving deposit during off-peak seasons.

Factory Direct Pricing: Competitive prices due to own factory ownership and cost-saving measures.

Strict Quality Control: High-quality products ensured through rigorous internal quality control processes.

Flexible Payment Terms: Accepts T/T, L/C at sight, LC, Western Union, and small-amount payments.

Company profile

Qingdao Wanrunda Imp and Exp Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-09-18Nearest Port: Qingdao Port, Tianjin port, Shanghai PortAverage Response Time: ≤11.30hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryQingdao Wanrunda Imp and Exp Co., Ltd. is identified as both a trading company and manufacturer/factory based in Shandong, China. It reports five production lines and listed annual capacities totaling 1,600 tons across steel products, including steel fences, trellises, plates, coils, pipes, and sections. The supplier states that 90% of sales are exports, has held exporting activity since 2008, and possesses self-operated import and export rights. ISO 9000 and ISO 9001 management-system certifications are reported. Its capabilities include punching, bending, welding, galvanizing, electrostatic spraying, powder coating, painting, and oiling, with manufacturing to ASTM, JIS, DIN, and API standards. Evidence is insufficient to assess after-sales service execution, financial credibility, innovation strength, and customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. It is a China-based limited company in Shandong and reports self-operated import and export rights, with exporting activity beginning in 2008.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 supplier management-system certifications. These stated certifications provide explicit evidence of formal quality-management credentials.

Production capacityThe supplier reports five production lines and stated annual capacities of 200 tons for steel fence and guardrail, 300 tons for angle-steel and grape trellis, 100 tons for self-nail steel plates and hanger straps, and 500 tons each for steel angles/flat/coil/plate/stainless steel and steel pipe/hollow section/alloy steel. These figures explicitly demonstrate multi-product manufacturing capacity.

Customization capabilityThe supplier states that it has its own processing equipment and can perform punching, bending, welding, galvanizing, electrostatic spraying, powder coating, painting, and oiling. It also states that products can be manufactured according to ASTM, JIS, DIN, and API standards, supporting customized processing and specification compliance.