#cold rolled

0.88 FINISH 2B #Stainlesssteelsheet. 304mm1.0 * 1219*L1896

2.95 SURFACE 2B Stainless #steelcoil. 304mm3.0 * 1219*L2127

0.92 FINISH 2B #Steelplate. AISI 304mm1.0 * 1219*L1978

1.25 SURFACE 2B Steel coil. #inox304mm1.5 * 1000*20001828

0.58 FINISH 2B #Cold-rolled stainless steel plate. 304mm0.7 * 1219*24381791

2.25 SURFACE 2B Stainless steel sheet. 304mm2.5 * 1219*24382142

2.25 FINISH 2B Stainless steel coil. 304mm2.5 * 1219*L2142

1.51 SURFACE 2B Steel plate. AISI 316mm1.5 * 1000*20004269

3.76 final 2B bobina de acero inox316Lmm4.0*1500*30004194

4.76 superficie 2B laminado en frío acero inoxidable placa plana 316mm5.0*1500*30004284

5.85 final 2B placa de acero inoxidable 316Lmm6.0*1219*24384403

0.95 superficie 2B bobina de acero inoxidable 316mm1.0*1219*24384209

1.87 acabado 2B placa de acero aisi316mm2.0*1219*24383970

1.88 superficie 2B bobina de acero inox316lmm2.0 *1219*24384090

Precio unitario acabado 2B chapa de acero inoxidable 904lmm1.5 *1530*c11642

Lista de precios SURFACE NO1 chapa de acero inoxidable 904Lmm50*1800*60009104

Price: FINISH 2B stainless steel medium-thick plate 904L mm2.0 * 1250 * c 11799

Tolerance: SURFACE NO1 stainless steel medium-thick plate 904L mm90 * 1800 * 6000 9701

Specification: FINISH NO1 stainless steel medium-thick plate 904L mm18 * 1800 * 6000 9403

Size: SURFACE NO1 stainless plate S321 mm15 * 2500 * 6350 2619

Ton: FINISH NO1 stainless plate S32168 mm16 * 2000 * 12000 2769

Kilogram: SURFACE NO1 stainless plate S32168 mm 20 * 1800 * 7400 2664

BA: FINISH NO1 stainless plate 321 mm21 * 1960 * 4650 2619

8K: SURFACE NO1 stainless plate 321 mm25 * 2000 * 9300 2754

NO4 HL SATIN FINISH NO1 stainless plate 321 mm40 * 2020 * 4280 2664

2.78SURFACE 2B нержавеющая сталь 201j2m3.0 1219 L1055

0.68 FINISH 2B нержавеющая сталь 201/ j1m00.8 *1500*L1303

0.68 SURFACE 2B нержавеющая сталь 201/ j1m00.8 *1500*30001303

0.78 FINISH 2B сталь холодной прокатки 201/ j1m00.9 *1500*L1321

0.85 SURFACE 2B — сталь с холодной прокаткой 201/ j1m1.0 *1500*30001288

0.95 FINISH 2B — холодная прокатная сталь 201/ j1mm1.2 *1500*L1146

Choosing the right steel coil influences everything from fabrication efficiency to structural longevity. HR coils and CR coils may originate from the same billets, but their behaviour under heat, deformation, machining loads, and forming pressures varies sharply. Project teams evaluating plate rolling, pipe manufacturing, fabrication workflows, and large-batch production cycles must understand how each coil type performs when subjected to weld stress, mechanical strain, and field-level tolerances that rarely show up in brochures.

This guide provides a deep technical breakdown intended for procurement heads, fabrication managers, EPC contractors, and OEM buyers comparing HR coils and CR coils for performance-critical projects. It incorporates production realities, fit-up issues, and downstream factors influencing lifecycle cost—especially when manufacturing srj pipes and erw pipes, heavy structural sections, or components exposed to variable temperatures.

Understanding the Behaviour of HR Coils Under Real Fabrication Conditions

HR coils are processed at extremely high temperatures, leaving them with a scale-coated surface, higher ductility, and relaxed dimensional control. At fabrication yards, this flexibility often becomes an advantage. When operators feed HR coils into bending machines or plate rolls, the material accepts deformation without spring-back spikes. This reduces the rejection rate during the first forming cycle.

However, the same thermal relaxation that improves ductility also widens tolerance bands. When producing srj pipes and erw pipes, even a minor variation in thickness can lead to seam misalignment, ovality concerns, or inconsistent weld penetration. Many small workshops overlook this until post-weld NDT shows heat-affected inconsistencies.

Where CR Coils Outperform: Precision, Stability, and Dimensional Predictability

CR coils are processed through cold reduction mills where steel is compressed below recrystallization temperature. This eliminates scale and dramatically tightens dimensional accuracy. In sectors where every millimetre affects production yield—such as precision tubing, automotive components, or thin-gauge structural parts—CR coils consistently outperform.

Fabrication teams frequently report a measurable difference during roll forming. CR coils maintain a uniform structure, enabling smoother bends and repeatable angles. When producing srj pipes and erw pipes with stringent roundness and surface finish requirements, CR coils reduce corrective grinding and trimming time.

Balancing Cost, Reliability, and Project Demands Across Different Use Cases

When project teams evaluate coil types solely on upfront price, hidden lifecycle costs can quietly accumulate. Poor surface preparation on HR coils may increase labour time; conversely, the higher strength of CR coils might require upgraded machinery for forming, adding indirect expense.

Coil selection becomes even more strategic when integrated into srj pipes and erw pipes production. HR coils help control forming cracks in large diameters, while CR coils suit high-speed automated mills where every micron affects seam tracking. Manufacturers with tight process discipline, like SRJ Steel, typically demonstrate traceability from billet to bundle, reducing on-site inconsistencies noticed during multiphase fabrication cycles.

How Environment, Storage, and Thermal Exposure Change Coil Performance

Many projects overlook how storage conditions influence coil integrity. HR coils stored outdoors can develop rapid scale thickening, increasing descaling time during fabrication. CR coils are more sensitive; moisture exposure can cause surface rust that compromises coating adhesion and weld aesthetics.

Conclusion

The choice between HR coils and CR coils hinges on structural tolerance, forming requirements, surface expectations, and long-term performance. HR coils bring ductility and forming ease; CR coils bring precision and visual consistency. Projects involving srj pipes and erw pipes must align coil selection with weld behaviour, dimensional stability, and fabrication workflow realities. Transparent suppliers who provide traceable documentation and batch-level insights help teams avoid costly rework, downtime, and structural inconsistencies.

FAQs

How can project teams check coil authenticity before fabrication? Verify coil tags, heat numbers, MTCs, thickness tolerance reports, and rolling logs. Dimensional checks and visual surface inspections strengthen validation.

Which coil type is better for ERW pipe manufacturing? CR coils offer better precision for high-speed mills; HR coils suit larger diameters requiring ductile forming behaviour.

A large amounts of D560 cold rolled working rolls are being shipping to Europe, its hardness is 90-95 HSD. Please don't hesitate to contact me([email protected]) if you interest it.

Introduction

North East India is rapidly evolving into an industrial powerhouse. The region is witnessing significant growth in infrastructure, manufacturing, and construction sectors. Among the critical components fuelling this growth is cold rolled steel strips in North East India. Known for their strength, durability, and precision, these strips are indispensable in numerous industries ranging from automotive to agriculture.

At the forefront of this steel revolution is Nezone Group, recognized as the Best Steel Strip Manufacturer in North East. With decades of experience and a reputation for unmatched quality and innovation, Nezone has become synonymous with trust and performance in steel manufacturing.

What Are Cold Rolled Steel Strips?

Cold rolled steel strips are flat-rolled steel products produced by processing hot-rolled steel at room temperature. This cold processing enhances surface finish, tightens thickness tolerances, and improves mechanical properties, making them ideal for precision work.

These strips find extensive applications in:

Automotive components

Electrical panels

Furniture and home appliances

Construction frameworks

Agricultural tools

Thanks to their superior strength-to-weight ratio and uniform thickness, these strips are now a preferred material across India and Cold Rolled Steel Strips in North East India have become vital to industrial growth.

Why Nezone Group is the Leader in the North East

As a pioneer in Cold Rolled Steel Strips Manufacturers in North East, Nezone Group is known for its advanced infrastructure, skilled workforce, and commitment to sustainability. Here’s why Nezone stands out:

1. State-of-the-Art Manufacturing Facilities

Nezone’s production units are equipped with the latest cold rolling mills, slitting lines, and annealing furnaces. This allows for the production of cold rolled steel strips in a wide range of finishes, widths, and thicknesses to meet diverse industry needs.

2. Uncompromising Quality

Quality at Nezone is more than just a standard — it’s a way of life. Every batch undergoes rigorous tests for hardness, tensile strength, thickness uniformity, and surface finish. This has helped Nezone earn the reputation of being the Best Steel Strip Manufacturer in North East.

3. Custom Engineering Solutions

Recognizing the specific needs of each industry, Nezone offers tailor-made solutions. Whether it’s for deep drawing applications or structural needs, our steel strips are engineered for optimal performance.

4. Sustainable Manufacturing Practices

Nezone is deeply committed to environmental responsibility. Our processes focus on energy efficiency and low emissions, making us a trusted partner for eco-conscious enterprises.

Serving Industries Across India

While Nezone is headquartered in the North East, our impact is national. Our cold rolled steel strips are used by top brands across India. From heavy machinery manufacturers to precision engineering firms, industries trust us for strength, reliability, and consistent quality.

Strategic Advantage of North East India

Establishing manufacturing capabilities in North East India is more than a business move — it’s a strategic advantage. It brings:

Reduced transportation costs

Faster delivery times within the region

Local service and support

Government-backed industrial development

By choosing a regional leader like Nezone, industries gain not just quality steel but also logistical efficiency and supply chain resilience.

Customer-Centric Approach

At Nezone, we believe in more than just selling steel — we build partnerships. Our dedicated support teams, technical advisors, and logistics staff ensure clients get the right product, on time, every time.

This commitment to personalized service has helped us build lasting relationships with clients across sectors and geographies.

Conclusion

As industrial development accelerates in the region, the demand for quality raw materials like cold rolled steel strips in North East India is growing rapidly. Nezone Group is proud to be the top name in this transformative journey.