Is this machine suitable for LNG tanks?

Yes, there is a specially designed Automatic Butt/Corner Seam Welding Machine for LNG tanks, used for double shells and bottom plate seam welding.

What materials can be welded with this equipment?

It is suitable for Carbon Steel (CS), Stainless Steel (SS), and Alloy Steel (AS) materials.

What welding processes does the machine support?

The machine supports TIG, MIG, and Sub-arc (SAW) welding processes.

Butt Sub-Arc Automatic Welding Machine

Name: Butt Sub-Arc Automatic Welding Machine
Brand: Nanjing Auto Electric Co., Ltd.
SKU: 942894545

Jiangsu, ChinaNanjing Auto Electric Co., Ltd.

US$5,000.00-20,000.00

1 Piece

Product profile

Customization

Available

Type

Arc Welders

Size

1080*480*740

Model NO.

NAEC

Weight

55kg

Suitable Power Source

380±10%/50

Brand Name

Naec

Suitable for Material

CS/Ss/as

Welding Process

TIG/MIG/Saw

Suitable for

Oil and Gas, Offshore Platform, Offshore/Onshore W

After-Sales Service Provided

Engineers Available to Service Machinery Overseas

Min. Outer Edge

90mm

Transport Package

Packed in Container

Specification

ISO9001: 2008

Trademark

NAEC

Origin

China

HS Code

85153190

Production Capacity

200 Sets/Year

Key features

Dual Purpose Welding: Handles both inside/outside corner seams and butt seam welding efficiently.

Rail-Free Magnetic Welding: Special magnetic adsorption device enables automatic welding without rails.

High Quality Assurance: Achieves more than 99% qualified first X-ray test results.

Versatile Construction Support: Suitable for both Top-to-Bottom and Bottom-to-Top tank construction methods.

Advanced Welding Technology: Adopts sub-arc welding technology for high efficiency and quality.

Specialized LNG Tank Design: Specially designed for LNG tank double shells and bottom plate seam welding.

Flexible Control System: Features advanced structure, full functions, and easy operation.

Wide Material Compatibility: Suitable for CS, SS, and AS materials with TIG/MIG/Saw processes.

Company profile

Years of Export ExperienceMulti-language PioneerExhibition ExperienceFull Customization

Nanjing Auto Electric Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/FactoryExport Year: 2008-01-01Nearest Port: shanghai, nanjing, ningboAverage Response Time: ≤3.49hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, Others

AI-Powered supplier vetting

SummaryThe supplier is an industrial equipment manufacturer focused on welding equipment, automated production lines, CNC machine tools, pipe fabrication, cutting, beveling, and related solutions. It reports more than 26 years in high-end welding applications, 23 years of export activity, self-managed import/export rights, and exports representing 51%–70% of sales. Evidence supports flexible customization, OEM service for well-known brands, documented quality-control, complaint-handling, and corrective-action procedures, as well as participation in FABTECH and overseas service coverage in Australia. However, it reports no valid manufacturing-capacity contract with affiliated subcontractors, no inventory capacity, overseas warehouse, overseas showroom, overseas agents or branches, and no available SDK. Financial credibility cannot be assessed from the provided slices because only reporting years are shown, without financial performance or financial figures.

Supplier typeThe supplier is an industrial equipment and machinery manufacturer and solution provider. Its stated scope includes gas and liquid separation equipment, high-efficiency welding equipment and consumables, automated production lines, CNC machine tools, CNC and servo systems, while its product keywords cover pipe fabrication, cutting, beveling, and welding machinery.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, supplier-service assessment, and finished-product inspection. It also reports service coverage in Australia and participation in FABTECH, but has no overseas agents or branches, overseas warehouse, overseas showroom, or inventory capacity, which limits the demonstrated local-service infrastructure.

R&D capabilityThe supplier reports flexible customization, automated production-line development, CNC and servo-system capabilities, and more than 26 years of experience in high-end welding applications. However, it explicitly has no available SDK; the evidence supports engineering and product-development capability but not a complete software-development or SDK offering.

Production capacityProduction-related evidence includes manufacturing of welding, cutting, CNC, separation, and purification equipment; documented finished-product inspection; a stated one-month average lead time in both peak and off-season; and a list of 10 qualified suppliers for service capability. Countervailing evidence shows no valid manufacturing-capacity contract with affiliated subcontractors and no inventory capacity, so production strength is supported but capacity-continuity evidence is incomplete.

Customization capabilityThe supplier explicitly supports minor and full customization, customization from designs and samples, and flexible customization. Its products and lean fabrication solutions address multiple materials and specialized pipe-processing applications, providing direct evidence of broad customization capability.

Client casesThe supplier reports OEM service for well-known brands, participation in the FABTECH offline trade show, overseas service availability in Australia, and more than 26 years serving high-end welding applications. However, no named customers, project descriptions, reference outcomes, or independently verifiable case details are provided.

Product Q&A

Q:What types of seams can this machine weld?

It is a dual-purpose machine applicable to inside and outside corner seam welding, as well as butt seam welding of bottom plates.

Q:Does the machine require rails for operation?

No, it adopts a special magnetic adsorption device that allows for automatic welding without using rails, especially for corner seams and stiffener rings.

Q:What is the minimum distance required from the outer edge?

The machine is suitable for outside corner seam welding when the minimum distance from the outer edge of the bottom to the shell is 90mm.

Q:Which tank construction methods are supported?

The machine is suitable for both Top-to-Bottom and Bottom-to-Top tank construction methods.

Q:What is the quality standard for the welding results?

The machine achieves more than 99% qualified first X-ray test results, ensuring high welding quality.