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Name: Thin Steel Sheet up to 4mm for Cladding and Fabricated Parts
Brand: ZSJH

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Thin Steel Sheet up to 4mm for Cladding and Fabricated Parts

Thin Steel Sheet up to 4mm for Cladding and Fabricated Parts

applicable scene:

Discuss thin sheet for profiled cladding substrates, canopies, equipment covers, flashings, platform toe plates, ductwork parts and lightly loaded fabrication. Prepainted material needs a suitable substrate and coating route; untreated black sheet is not a universal weather-resistant substitute.

Product Benefits
1.Lower area weight than thicker plate at the same material density.
2.Hot rolled, cold rolled and coated routes for different finish and forming needs.
3.Cutting, bending and holes can be discussed within one order.
4.Grade and coating are specified separately for a clearer purchase.

Brand:
ZSJH


Availability:



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Product Description

Choose sheet that suits your finished part

For cladding, flashings, toe plates and small fabricated parts, thickness is only the start. Formability, surface condition and the required grade also affect the result. ZSJH Steel can coordinate material supply and fabrication around your drawing and application.

Specification Overview

Item	Options and guidance
Thickness	t≤4mm; example requests include 0.5, 0.8, 1, 1.5, 2, 3 and 4mm; route dependent
Supply form	Flat sheet, cut to length from coil, slit material or drawing based blanks
Width and length	Confirm the required size and cutting layout
Coated thickness	Distinguish base metal thickness BMT from total coated thickness TCT
Theoretical area weight	Approx. 7.85×thickness in mm, in kg/m², for ordinary carbon steel; coating extra
Weight example	2mm carbon steel is approx. 15.7kg/m²; agree actual or theoretical billing

thin-steel-sheet-flat-surface-and-edge-closeup

thin-steel-coil-unwinding-on-factory-machine

Material and Execution Standards

The following are material options to discuss, subject to grade, thickness and order confirmation. Different standards are not automatic equivalents; substitutions require design approval.

Material route	Example grades or categories	Applicable specifications
GB hot rolled	Q235B; Q355B/D	GB/T 700 or GB/T 1591; dimensional requirements GB/T 709
GB cold rolled	DC01/DC03	GB/T 5213; dimensions GB/T 708; select for forming duty
GB coated	DX51D+Z; S350GD+Z	GB/T 2518; prepainted products GB/T 12754
ASTM hot rolled	A1011 SS Grade 36/50	ASTM A1011/A1011M; select the required product category
ASTM cold rolled	A1008 CS Type B	ASTM A1008/A1008M; commercial forming grades are not structural substitutes
ASTM coated	A653 CS/SS; A792 CS/SS	Zinc or 55% aluminum zinc coated sheet; prepainted products may use A755/A755M
EN structural	S235JR; S275JR; S355JR/J2	EN 10025-2; confirm thin gauge availability and delivery requirements
EN forming and coated	DC01/DC03; DX51D+Z; S350GD+Z	EN 10130 or EN 10346; prepainted products EN 10169

Rolling and Subsequent Processing

Hot rolled: Reheated steel is rolled into strip or plate, then levelled and cut. Supply may retain mill scale or use an agreed pickled and oiled finish.

Cold rolled: Pickled hot rolled feedstock is reduced at room temperature, with annealing and skin passing as appropriate to the grade. Cold rolling does not by itself establish a structural grade.

Coated: A specified substrate can be continuously metallic coated and subsequently coil painted. Galvanizing and painting are surface processes, not rolling methods. The steel mill produces the material; ZSJH coordinates sourcing and downstream processing.

Surface Options

Finis	What to confirm
Mill finish or pickled and oiled	Mill scale is not corrosion protection; oil is mainly temporary protection
Galvanized or aluminum zinc coated	Coating designation, mass, cut edges and environment
Prepainted	Substrate, metallic coating, paint system, front/back film thickness and color
Paint or powder coating after fabrication	Preparation, weld repairs, film thickness and exposure conditions

Choose Around Your Priorities

Consider an appropriate cold rolled or coated grade when appearance and forming matter. Consider suitable hot rolled grades for welded parts. For outdoor exposure, choose the corrosion-protection system before finalizing the order. Bend radius, rolling direction and hole edge distances depend on the material and drawing.

Processing and Delivery

Discuss shearing, laser or plasma cutting, hole processing, bending, deburring, welding and finishing. Thin sheet needs particular attention to heat distortion, scratching and springback. Confirm tolerances and processing feasibility with the drawing.

Order route: Application and drawing review → grade and thickness definition → sourcing and cutting → forming or holes → dimensional and surface checks → identification and moisture-protective packing. Confirm the price scope, including processing, coating and transport.

Frequently Asked Questions

Does 4mm belong here? Yes. This website assigns 4mm to thin sheet and starts medium plate above 4mm. Product standards may define sheet and plate differently.

Is galvanized sheet stronger than black sheet? Not necessarily. Strength depends on the substrate grade, thickness and delivery condition.

Can forming steel replace structural steel? Not without approval for the load-bearing application and required material standard.

Request Your Sheet Specification

Send the application, grade, BMT or TCT, width, length, quantity, drawing, finish and destination.

Primary CTA: Get a Thin Sheet Quote

Contact ZSJH Steel: sales@zsjhsteel.com | WhatsApp +86 151 2258 2058.

Supply note: Dimensions, tolerances, properties, coatings and processing are subject to the confirmed order and applicable material documents. No unspecified grade, certification, stock or lead time is implied.