SD Xinjiyuan Steel | Bulk Steel Tubes, Plates & Beams | Factory Direct logo
Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service Factory Direct
Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service Factory Direct
Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service Factory Direct
Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service Factory Direct
Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service Factory Direct
Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service Factory Direct
Factory Direct

Bulk Supply · No Middlemen · 2,800+ Specifications

Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service Factory Direct

Carbon Steel, 304/316 Stainless Steel, and Galvanized Pipe, thickness 0.8–10.0 mm, tolerance ±0.1 mm — precision laser cutting combined with tube bending, welding, and full assembly under one roof. Multiple surface finishes including powder coating, galvanizing, and polishing available per drawing specs. Factory-direct pricing with original mill test certificates and SGS/BV third-party inspection support for every batch.

  • ISO 9001:2015
  • CE EN 10210 / 10219
  • FPC Certified
  • Mill Test Certificate
  • SGS / BV On Request
1 t
Trial MOQ
12 h
Quote Reply
3-7 d
Stock Dispatch
100%
With Mill Certs

Send your size list, grade and monthly tonnage -- our export team returns pricing, stock status and documentation plan.

Technical Data

Specification parameters.

Non-standard sizes, grades and surface finishes are produced to order. Confirm exact tolerances with our engineering team before contract.

Technical specification parameters for Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service Factory Direct
Parameter Value
Material Grade Q195 - Q690 · 201 / 304 / 316L · ASTM A500
Standard ASTM A554 / A500 · EN 10219 / 10210 · JIS G3466 · GB
Production Type ERW Welded · Seamless · Hot Dip Galvanized
Size Range 20×20 - 500×500 mm · Wall thickness 0.8 - 20 mm
Length 5.8 m / 6 m / 12 m · Custom cutting available
Surface Finish BA Mirror · No.4 Satin · Pickled · Galvanized
MOQ 1 ton trial order · Full container contract volume
Lead Time Ready stock 3-7 days · Custom 15-25 days
Packing Plastic film + woven bag + steel strapping, seaworthy
Port / Terms FOB Qingdao · CIF / CFR · EXW negotiable

Where It Is Used

Application scenarios.

  • Construction & Structural

    Steel frames, curtain wall supports, canopies and load-bearing hollow sections for commercial projects.

  • Infrastructure Projects

    Highway guardrails, bridge components, transmission towers and municipal engineering works.

  • Machinery & OEM

    Equipment frames, agricultural machinery, conveyor structures and fabricated assemblies.

  • Architecture & Decoration

    Handrails, balustrades, interior fittings and decorative mirror-finish stainless tube.

  • Furniture & Hardware

    Shelving systems, display racks, office furniture tubing and hardware wholesale supply.

  • Energy & Petrochemical

    Fluid conveyance frameworks, platform structures and corrosion-resistant piping supports.

Full Description

Product details.

¥0.50

Carbon Steel, 304/316 Stainless Steel, and Galvanized Pipe, thickness 0.8–10.0 mm, tolerance ±0.1 mm — precision laser cutting combined with tube bending, welding, and full assembly under one roof. Multiple surface finishes including powder coating, galvanizing, and polishing available per drawing specs. Factory-direct pricing with original mill test certificates and SGS/BV third-party inspection support for every batch.

Description

Factory-direct OEM fabrication — laser cutting, bending, and welding under one roof for carbon, stainless, and galvanized pipes.

Technical Specifications

Parameter Value
Designation OEM Custom Laser Cutting Steel Pipe Fabrication Service
Product Type Machined Steel Product / Laser Cutting for Pipes
Steel Grade Carbon Steel, 304/316 Stainless Steel, Q195–Q235, Galvanized Steel, Aluminum 5052/6061, Brass
Technique Laser Cutting, Tube Bending, Welding, Stamping, Machining, Riveting, Drilling, Forming, Assembly
Thickness 0.8 mm – 10.0 mm
Tolerance ±0.1 mm – ±0.2 mm
Surface Treatment Galvanized, Painting, Powder Coating, Plating, Polishing, Brushing, Anodizing, Sandblasting
Size Customized per drawing
Drawing Format DWG, DXF, STEP, IGS, 3DS, STL, SKP, AI, PDF
Standard ISO 9001, SGS, TUV, ROHS, CE, BSCI
Application Structural fabrication, machinery parts, equipment enclosures, custom pipe assemblies, industrial components
MOQ Negotiable (trial orders accepted)
Origin Shandong, China

Application Suitability

Industry Typical Applications
EPC & Infrastructure Custom structural pipe assemblies for construction frames, support systems, and conveyor structures
Machinery & Equipment Precision-cut and welded pipe components for industrial equipment enclosures and machine frames
Commercial Fabrication OEM pipe parts for furniture systems, scaffolding connections, and decorative enclosure assemblies

What Tolerance Drift Costs on a Custom Pipe Assembly Order

±0.1 mm laser cutting accuracy eliminates on-site rework at overseas project locations.

Global buyers frequently source raw pipes from one supplier, send them to a separate fabricator for cutting and bending, then ship to a third party for surface treatment. Each handoff introduces tolerance stacking, surface damage, and documentation gaps. On a recent Middle East infrastructure project, a batch of laser-cut carbon steel pipe bending parts arrived with 3 mm定尺 deviation — every connection plate misaligned on-site, and local rework labor exceeded the original cargo value. [NEED_CITE: tolerance stacking in multi-supplier steel fabrication supply chains] When you consolidate laser cutting, tube bending, welding, and finishing through a single OEM custom laser cutting pipe fabrication service supplier, coordination gaps disappear and every dimension stays traceable to the original drawing.

OEM custom laser cutting pipe fabrication service supplier carbon stainless steel tube bending

Matching Engineered Drawings to Structural and Machinery Applications

The OEM custom laser cutting pipe fabrication service supplier processes your DWG, DXF, or STEP files directly into nested cutting programs, maintaining ±0.1 mm tolerance across carbon steel, 304/316 stainless steel, and galvanized pipe sections up to 10.0 mm thickness. For EPC frames, welded pipe assemblies arrive pre-galvanized or powder-coated to resist corrosion during installation. For machinery OEMs, precision-drilled and riveted pipe components fit directly into equipment enclosures without secondary machining.

Engineering Compliance and Certification Requirements

Structural pipe fabrication for European projects must conform to EN 10219 cold-formed hollow section dimensional tolerances, while North American buyers typically reference ASTM A500 for welded structural tubing. [NEED_CITE: EN 10219 cold-formed hollow section requirements] Galvanized pipe assemblies need coating thickness verification per ISO 1461, and stainless steel welds require passivation treatment to restore corrosion resistance. Every batch of fabricated pipe components ships with original mill test certificates documenting steel grade and heat number, plus CE certification for European customs clearance. [NEED_CITE: steel grade equivalence between EN and ASTM standards]

Steel Grade Selection and Process Interpretation

Carbon steel grades Q195–Q235 offer forming ease and cost efficiency for general structural frames, while 304 and 316 stainless steel provide corrosion resistance for chemical plant enclosures and marine environments. Laser cutting handles all these materials on the same production line — the key difference lies in cutting speed and assist gas selection. Galvanized steel requires specialized fume extraction during laser processing to prevent zinc vapor contamination. Tube bending of galvanized pipes must account for coating thickness at the outer radius, where stretching thins the zinc layer. Post-fabrication surface treatments — powder coating, painting, anodizing for aluminum 5052/6061, or plating for brass components — extend service life in corrosive atmospheres. [NEED_CITE: laser cutting parameters for galvanized steel and stainless steel]

cross-section of laser cut steel pipe showing tolerance and surface treatment

Hidden Costs of Incorrect Fabrication Sourcing

Material certificates that don’t match actual steel grade trigger customs holds and project inspection failures. Tolerance beyond ±0.2 mm forces on-site grinding and re-welding, multiplying labor costs at destination ports. Missing CE or EN 10219 documentation blocks European market entry entirely. [NEED_CITE: customs rejection rates for steel products missing mill certificates] When fabrication quality fails structural load calculations, the entire assembly must be scrapped and reordered — not just the defective piece.

Why Source Your Fabrication Through Xin Jiyuan

Three production lines running simultaneously handle 20,000+ tons monthly capacity, covering laser cutting, bending, welding, and surface treatment without outsourcing to third-party workshops. Every batch carries original mill test certificates with full heat number traceability, and third-party SGS or BV inspection is available before shipment. The factory maintains 2,800+ standard specifications in ready stock, so custom fabrication orders can source raw materials immediately rather than waiting for procurement. ISO 9001:2015 certified production with in-house three-stage quality control catches tolerance drift before packing. Professional export documentation and container loading optimization reduce logistics costs for heavy fabricated assemblies. Volume discount programs reward long-term procurement partners with recurring orders.

Documentation & Compliance

  • Mill test certificate documenting Q235B carbon steel chemical composition and mechanical properties per GB/T 700
  • CE certificate confirming EN 10219 compliance for cold-formed welded structural hollow sections
  • ISO 9001:2015 quality management system certificate covering laser cutting, bending, and welding processes
  • SGS or BV third-party inspection report verifying dimensional tolerance and surface treatment thickness
  • Material traceability by heat number linking each fabricated component to original mill test certificate
  • Customs documents including packing list, bill of lading, and certificate of origin for destination port clearance

Packaging, Loading & Delivery

  • Laser-cut carbon steel pipe components bundled with steel strips and edge protectors to prevent coating damage during ocean transit
  • Galvanized fabricated assemblies wrapped in waterproof paper and plastic film to preserve zinc coating integrity
  • Custom-sized pipe frames loaded into 40ft containers using optimized stacking plans to maximize cubic utilization
  • Precision-cut stainless steel pipe parts separated by rubber spacers to avoid surface scratching during transport
  • Heat number and steel grade marked on each bundle for on-site identification and traceability verification
  • FOB Qingdao or CIF destination port options with professional customs clearance and door-to-door logistics coordination

How to Initiate Your Custom Fabrication Inquiry

Submit your technical drawings (DWG, DXF, STEP, or PDF), steel grade requirements, quantity, and destination port to receive a competitive bulk quotation within 12 hours. The engineering team reviews tolerance requirements and suggests material alternatives if your specification calls for unavailable grades. Confirm certification needs (CE, SGS, mill test certificates) and production lead times before signing the proforma invoice and arranging the 30% deposit.

Frequently Asked Questions

Q: What materials and steel grades can you process for custom pipe fabrication?

A: The factory processes carbon steel (Q195–Q235), 304/316 stainless steel, galvanized steel, aluminum 5052/6061, and brass — all on the same production line for laser cutting, bending, welding, and assembly.

Q: What is the tolerance range for laser cutting and tube bending services?

A: Laser cutting achieves ±0.1 mm to ±0.2 mm tolerance depending on material thickness (0.8 mm – 10.0 mm), with 100% dimensional inspection before shipment.

Q: Can you provide mill test certificates and third-party inspection reports?

A: Every batch ships with original mill test certificates documenting steel grade and heat number. SGS or BV third-party inspection is available on request before container loading.

Q: What surface treatment options are available for fabricated steel pipe parts?

A: Galvanizing, powder coating, painting, polishing, brushing, anodizing (for aluminum), plating (for brass), and sandblasting are all available in-house after fabrication.

Q: What is the MOQ and lead time for custom OEM fabrication orders?

A: MOQ is negotiable with trial orders accepted. Production lead times depend on order complexity and quantity, with standard fabrication typically completed within typical production cycles after deposit confirmation.

Request Your Custom Fabrication Quote Today

Send your drawings and specifications to receive factory-direct pricing and mill test certificates within 12 hours.

Shandong Xin Jiyuan Special Steel Tube Co., Ltd

Website: www.sdxinjiyuan.com

Tel: +86 531 8573 6315

Mobile/WhatsApp/WeChat: +86 188 5315 7756

Email: admin@sdxinjiyuan.com

Inquiry · Factory-Direct Supply

Request a quotation for Carbon Stainless Steel Pipe Laser Cutting Bending Welding Fabrication Service...

Share your required sizes, steel grades, monthly tonnage and destination port. Our export team returns a loaded-container quotation within 12 hours, including stock status, lead time and full documentation plan.

sales@xinjiyuan-steel.com · +86 531 8888 0000 · Mon-Sat 08:30-19:00 GMT+8

  • 20,000+

    Tons monthly capacity

  • 2,800+

    Specifications in stock

  • 50+

    Countries served

  • 3

    Production lines

More From Our Lines