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Engineering Export · HS 7308.90

Sheet Metal Fabrication Supplier from India

Complete sheet metal fabrication from laser cutting and press brake bending through welding, hardware insertion and finishing. Mild steel, stainless and aluminium up to 12mm, with a dimensional report on every first article.

ISO 9001 IATF 16949 AWS D1.1 Welding CE Mark Capable Powder Coat Certified PPAP Level 3
Sheet Metal Fabrication Export from India export from India
At a Glance
0.5–12mm
Thickness range
Laser, bend, weld
Full process
±0.1mm
Cut tolerance
FAI
Every first article

From Flat Sheet to Finished Part

Sheet metal fabrication is a chain of operations, and the cost of a part is set mostly by how many operations it needs and how many times it is handled between them. Fewer bends, fewer welds and fewer separate parts almost always mean a cheaper assembly.

Process Chain
OperationCapabilityWhat Drives Cost
Laser cuttingFibre laser, profiles and holesCut length, pierce count, material
CNC punchingHigh-volume hole patterns, louvres, formsTooling availability, hit count
Press brake bendingUp to 3m length, multiple bendsNumber of bends, setups, tooling changes
WeldingMIG, TIG, spotWeld length, dressing and finishing
Hardware insertionPEM nuts, studs, standoffsCount and type of fasteners
FinishingPowder coat, plating, anodisingSurface area, masking needed

Replacing a welded joint with a formed tab, or two parts with one folded part, is often the single biggest cost reduction available. These are flagged at DFM review.

Design Rules That Keep Cost Down

Most sheet metal cost problems are designed in. These rules let a part be made with standard tooling and fewer operations:

Bend radius
At least equal to material thickness
Hole to bend distance
At least 2–3× thickness from the bend
Consistent radii
One radius across the part avoids tool changes
Flange length
Minimum around 4× thickness
Relief cuts
Prevent tearing where bends meet edges
Tolerances
±0.1mm cut, ±0.2–0.5mm across bends

Tolerances across bends accumulate, so dimensions spanning several bends cannot be held as tightly as cut features. Dimension critical features from a common edge.

Materials and Capability

Standard Capability
ParameterCapability
Mild steelCRCA, HR, galvanised — 0.5 to 12mm
Stainless304, 316, 202 — 0.5 to 8mm
Aluminium5052, 6061 — 0.5 to 10mm
Max bend lengthUp to 3000mm
Cut tolerance±0.1mm
Bend tolerance±0.2–0.5mm (geometry dependent)
Typical partsEnclosures, brackets, panels, chassis, cabinets
FinishingPowder coat, zinc plating, anodising

On specifications: the capabilities above reflect standard specifications for this process. Achievable tolerances and finishes for your part depend on geometry, material and quantity, and are confirmed at quotation after drawing review. Every first article ships with a full dimensional inspection report against your drawing, plus Material Test Certificates for the raw material. We do not ask buyers to take a capability claim on trust.

Inspection & Documentation

Every first article is measured against your drawing before series production begins.

Dimensional Inspection Report
Every critical dimension measured against your drawing
Material Test Certificate
Raw material chemistry and mechanicals, heat traceable
First Article Inspection
AS9102 format available for aerospace
PPAP Documentation
Level 3 available for automotive
Certificate of Conformity
Confirms parts meet drawing and specification
Invoice, Packing List, BL
Full original export set

HS Code 7326.90 (steel articles) · 7616.99 (aluminium articles), or application-specific codes. Confirmed at order stage.

How Ordering Works

1
Send your drawing
PDF or STEP, material, tolerances, finish, quantity.
2
DFM review & quote
Manufacturability checked, FOB or CIF quote within 24 hours.
3
First article & report
Sample parts with full dimensional inspection report.
4
Approve & produce
Series production only after you approve the first article.

MOQ is discussed at order stage based on part complexity and material. Payment by advance TT, LC at sight, or DP/DA case by case.

Buyer Questions

What drives the cost of sheet metal parts?

Mostly the number of operations and how often the part is handled between them. Each bend, weld and inserted fastener adds time. Fewer bends, fewer welds and fewer separate parts almost always mean a cheaper assembly, which is why design changes at DFM review often save more than any price negotiation.

What tolerances can sheet metal fabrication hold?

Laser-cut features typically hold plus or minus 0.1mm. Dimensions across bends are looser, around 0.2 to 0.5mm depending on geometry, because tolerance accumulates with each bend. Dimension critical features from a common reference edge rather than chaining them across several bends.

What bend radius should I specify?

At least equal to the material thickness, and ideally one consistent radius across the whole part. Mixed radii force tool changes and add setup time. Very tight radii risk cracking, especially in harder aluminium tempers.

How close can a hole be to a bend?

Keep holes at least two to three times the material thickness away from the bend line. Closer holes distort into ovals as the metal stretches during bending. If a hole must sit close to a bend, it can be cut after forming, though that adds an operation.

What materials and thicknesses are available?

Mild steel in CRCA, hot rolled and galvanised from 0.5 to 12mm, stainless 304, 316 and 202 from 0.5 to 8mm, and aluminium 5052 and 6061 from 0.5 to 10mm. Bending runs up to 3 metres in length.

Can parts be supplied finished and assembled?

Yes. Powder coating, zinc plating and anodising can be included, along with hardware insertion such as PEM nuts and studs, and welded sub-assembly. Parts then arrive ready to install, which removes a separate finishing supplier from your chain.

Ready to Source?

Get a Quote for Sheet Metal Fabrication Export from India

Technical drawings welcome. FOB or CIF pricing within 24 hours. Third-party inspection available.

Related Products

On This Page
Specifications
ProcessesLaser cut, CNC bend, weld, finish, assemble
Press BrakeUp to 400 tonne / 4000mm bending length
Bending Tolerance+/-0.5 degree angle
WeldingMIG, TIG, spot, seam, stud
MaterialsMS, SS, GI, Aluminium, Copper
Thickness Range0.5mm to 25mm
Surface FinishPowder coat, zinc plate, anodize
AssemblySub-assembly and full assembly with hardware
MOQDiscussed at order stage
Lead Time15-25 days
Get a Quote in 24 Hours

Technical drawings welcome. FOB or CIF pricing, samples available.

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Certifications
ISO 9001 IATF 16949 AWS D1.1 Welding CE Mark Capable Powder Coat Certified PPAP Level 3
HS Code
7308.90
India Origin
Export Ready