JIS G4305 SUS430LX_Cold_Rolled_Stainless_Steel_Coil

430LX Cold Rolled Stainless Steel Coil & Sheet | JIS G4305 430LX Stainless Steel Strip Manufacturer & Exporter – Gangsteel

Gangsteel is a leading manufacturer and global exporter of premium JIS G4305 430LX cold rolled stainless steel coils, sheets, and strips. As a low-carbon, titanium-stabilized ferritic grade (commonly known as 430LX or SUS430LX), 430LX combines excellent deep-drawability, superior weldability, good corrosion resistance in mild environments, and moderate oxidation resistance up to 850°C. The extra-low carbon (≤0.030%) and strategic titanium stabilization eliminate sensitization risks and improve formability far beyond standard SUS430, making it the preferred choice for complex stamped and welded components at a competitive cost.

Our advanced cold rolling facilities produce 430LX with high-quality surface finishes (2B, BA, No.4, HL), tight tolerances (±0.02 mm), and consistent properties fully compliant with JIS G4305 (Cold-rolled stainless steel plate, sheet and strip). Equivalent to ASTM A240 Type 430 (low-C variant), EN 1.4510 / X3CrTi17, and GB 022Cr17Ti, Gangsteel's 430LX products serve industries worldwide including automotive trim, exhaust systems, kitchen appliances, washing machine drums, decorative panels, and architectural components requiring deep drawing and welding.

This comprehensive product introduction details every aspect of our JIS G4305 430LX cold rolled stainless steel — from composition and properties (in tables) to manufacturing, applications, advantages, and why Gangsteel is your trusted partner for reliable, formable ferritic supply.

 

Introduction to 430LX Stainless Steel

430LX is a titanium-stabilized, ultra-low-carbon ferritic stainless steel developed to overcome the limitations of standard 430. The low carbon content dramatically improves weldability and formability, while titanium binds residual carbon and nitrogen, preventing intergranular corrosion and enhancing deep-drawing performance. It offers corrosion resistance comparable to SUS430 in atmospheric and mild chemical environments but with significantly better press-forming behavior and resistance to ridging during deep drawing.

Non-hardenable by heat treatment, 430LX is magnetic in all conditions and provides cost-effective performance where austenitic grades would be over-specified. Gangsteel specializes in cold rolled 430LX, supplying material optimized for high-speed stamping, roll forming, welding, and polishing in mass-production applications.

 

Chemical Composition of JIS G4305 430LX

Chemical Composition Table

Element

Symbol

Minimum (%)

Maximum (%)

Typical Range (%)

Notes

Carbon

C

-

0.030

≤0.020–0.025

Ultra-low to improve weldability and formability

Silicon

Si

-

1.00

≤0.50–0.80

Aids oxidation resistance

Manganese

Mn

-

1.00

≤0.50–0.80

Controlled for toughness

Phosphorus

P

-

0.040

≤0.030

Low for weld integrity

Sulfur

S

-

0.030

≤0.015–0.020

Minimized for corrosion

Chromium

Cr

16.00

18.00

16.50–17.50

Provides corrosion resistance

Titanium

Ti

0.20

0.50

0.25–0.40

Stabilization element (prevents sensitization)

Iron

Fe

Balance

Balance

Balance

Base element

Gangsteel's production ensures precise titanium stabilization and ultra-low carbon for maximum deep-drawing performance. Full chemical analysis and EN 10204 3.1 certificates are standard.

 

Mechanical Properties

In annealed condition per JIS G4305:

Mechanical Properties Table (Annealed)

Property

Symbol

Minimum Requirement

Typical Value

Units

Notes

Tensile Strength

Rm

≥ 420

420–550

MPa

Soft annealed condition

Yield Strength (0.2% offset)

Rp0.2

≥ 205

220–320

MPa

Excellent for deep drawing

Elongation (50 mm gauge)

A50

≥ 22

25–35

%

Superior ductility vs. standard 430

Hardness (Rockwell B)

HRB

≤ 88 / ≤ 95

80–88

HRB

Soft for stamping

Hardness (Brinell)

HB

≤ 183

140–170

HB

Reference

Bend Test (180°)

-

No cracks

Excellent

-

Ideal for deep drawing

430LX exhibits low work-hardening and outstanding formability, making it suitable for complex pressings without intermediate annealing.

 

Physical Properties

Physical Properties Table

Property

Value (Metric)

Value (Imperial)

Temperature/Condition

Notes

Density

7.75–7.80 g/cm³

0.280–0.282 lb/in³

Room temperature

Ferritic standard

Elastic Modulus (Young's)

200 GPa

29 × 10⁶psi

Room temperature

Typical

Thermal Conductivity

24–26 W/m·K

14–15 BTU/hr·ft·°F

100°C

Higher than austenitics

Specific Heat Capacity

460 J/kg·K

0.11 BTU/lb·°F

Room temperature

Standard

Coefficient of Thermal Expansion

10.0–11.0 × 10⁻⁶/°C

5.6–6.1 × 10⁻⁶/°F

0–100°C

Lower than austenitics

Electrical Resistivity

600 nΩ·m

22 μΩ·in

Room temperature

Ferritic norm

Melting Range

1425–1510°C

2600–2750°F

-

Approximate

These properties ensure excellent thermal conductivity and dimensional stability in exhaust and appliance applications.

 

Equivalent Materials Comparison

Equivalent Materials Comparison Table

Standard

Grade / Designation

UNS Number

EN / W.Nr.

GB / China

Key Notes / Differences

JIS G4305

430LX (SUS430LX)

-

-

-

Japanese low-C, Ti-stabilized ferritic

ASTM A240

430 (low-C variant)

-

-

-

US equivalent; improved formability

EN 10088-2

X3CrTi17

-

1.4510

-

European match; titanium-stabilized

GB/T 3280 / 4237

022Cr17Ti or similar

-

-

022Cr17Ti

Chinese domestic; widely produced

UNS

-

-

-

-

Unified standard

Other Common

430LX / Grade 430LX

-

1.4510

430LX

Global trade name; interchangeable

430LX provides significantly better deep-drawability and weld performance than standard SUS430.

 

Manufacturing Process: Cold Rolled at Gangsteel

Gangsteel's process: hot rolling to intermediate thickness, annealing/pickling, multi-pass cold reduction in precision mills, final bright annealing/skin pass, slitting/edge trimming. Thickness: 0.3–3.0 mm (coils/sheets). Width: 600–1524 mm. In-line controls ensure tight tolerances and defect-free surfaces.

Finishes: 2B (standard matte), BA (bright annealed), No.4/HL (brushed). Protective films and custom slitting available.

 

Available Forms, Sizes, and Specifications

  • Cold rolled coils: 0.3–3.0 mm thick, up to 1524 mm wide
  • Cold rolled sheets: Cut-to-length up to 6000 mm
  • Strips: Narrow from 10 mm

Compliant with JIS G4305; optional ASTM A240/EN cross-certification. Tolerances per JIS or tighter.

Key Applications of 430LX Cold Rolled Products

430LX excels in deep-drawing and welded applications:

Automotive and Exhaust Systems

  • Exhaust flanges, muffler shells, catalytic converter casings
  • Trim, brackets, heat shields

Kitchen Appliances and Homeware

  • Washing machine drums, dishwasher tubs
  • Sinks, range hood panels

Architectural and Decorative

  • Elevator panels, handrails, decorative trim
  • Indoor cladding

General Fabrication

  • Hose clamps, conveyor parts, structural supports
  • Food service equipment (indoor use)

Its formability makes it dominant in mass-production stamping.

 

Advantages of Choosing 430LX Stainless Steel

  • Superior deep-drawability and low ridging tendency
  • Excellent weldability without post-weld heat treatment
  • Good corrosion resistance in mild environments
  • Cost-effective alternative to austenitics for decorative parts
  • Magnetic for easy sorting/recycling
  • Moderate oxidation resistance up to 850°C
  • Ti stabilization prevents sensitization

Corrosion and Oxidation Resistance

Forms stable chromium oxide layer; resists atmospheric corrosion, fresh water, and mild acids better than carbon steel. Ti stabilization eliminates intergranular corrosion risk. Oxidation resistance up to ~850°C intermittent.

Weldability and Fabrication

Outstanding weldability for a ferritic grade; low carbon and titanium prevent grain growth and sensitization. TIG, MIG, and resistance welding compatible. High ductility supports complex deep drawing without cracking.

Why Choose Gangsteel for 430LX Cold Rolled Coils and Sheets?

  • Precision cold rolling with advanced mills
  • Strict JIS G4305 compliance and traceability
  • Diverse finishes/stock for fast delivery
  • Competitive pricing, flexible MOQ
  • Export to 60+ countries with seaworthy packaging
  • Technical support: forming/welding advice, specs
  • ISO 9001 certified; third-party inspections (SGS/BV/TUV)

Quality Assurance and Certifications

Batch testing: chemical, mechanical, surface, dimensional. MTRs with heat traceability. Audits welcomed.

Packaging, Shipping, and Logistics

Coils eye-to-sky/wall on pallets, waterproof/edge-protected. Sheets skidded. Container/bulk with tracking/insurance.

 

Conclusion: Partner with Gangsteel for Formable 430LX Solutions

430LX Cold Rolled Stainless Steel Coil & Sheetfrom Gangsteel, produced to JIS G4305, delivers unmatched deep-drawability, weldability, and cost-effectiveness for stamped and welded components. As a dedicated manufacturer and exporter, we ensure consistent quality and dedicated service worldwide.

Contact Gangsteel today for competitive quotes, samples, technical data sheets, or custom 430LX cold rolled stainless steel coils, sheets, and strips. Trust us for premium low-carbon, titanium-stabilized ferritic stainless solutions.

 

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