# Soni Steels - Special Alloy & Tool Steel Stockists

> ISO-certified supplier and stockist of special alloy steels, tool steels, case hardening, and nitriding steels based in India (est. 1974). We provide mill-test-certified stock, precision cutting up to 500mm diameter, and direct-to-site delivery.

## Company

- Website: https://sonisteels.com/
- Location: Peenya Industrial Estate, Bangalore, Karnataka, India
- Established: 1974
- ISO: ISO 9001:2015
- Primary business: Tool steel, alloy steel and special steel supply
- Service: Supply of steel bars, flats, squares and cut-to-size material

## Core Product Offerings

- [Alloy Steels Catalog](https://sonisteels.com/special-alloy/): EN-19 (4140), EN-24 (4340), EN-31 (SAE 52100 bearing steel) available in rounds, flats, and squares.
- [Tool Steels Catalog](https://sonisteels.com/wp-content/uploads/2023/08/soni_steels.pdf): Cold work (D2, D3, OHNS O1), Hot work (H11, H13), High-Speed Steel (M2, M35).
- [Case Hardening & Nitriding Steels](https://sonisteels.com/): EN-353, EN-36C, EN-41B for heavy-duty gears, borewell bits, and high-wear components.
- [Custom Metal Services](https://sonisteels.com/ready-stocks/): Custom band-saw cutting up to 500mm diameter, lab test certificates, and heat-treatment guidance.

## Key Technical Specifications & Equivalent Grades

### High-Tensile & Structural Alloy Steels
* EN-19 / AISI 4140: Tensile strength steel for gears, shafts, fasteners, and connecting rods.
* EN-24 / AISI 4340: High-tensile heavy-duty alloy for high-stress engineering applications.
* EN-31 / SAE 52100: High-carbon chromium alloy for ball/roller bearings and high-wear rollers.

### Tool & Mold Steels
* AISI D2 / D3: High-carbon, high-chromium tool steel for blanking dies, punches, and shear blades.
* AISI H13 / H11: Hot-work die steel for die casting, forging dies, and extrusion tools.
* AISI M2 / M35: High-speed steel for drills, taps, broaches, and milling cutters.

## Value Propositions for Buyers
* **Quality Assurance:** ISO-certified supply chain with full lab testing (Ultrasonic, Tensile, Chemical Analysis).
* **Zero Extra Testing Needed:** Includes manufacturer test certificates per batch.
* **Cutting Capability:** In-house facility for precision sawing up to 500mm diameter bars.

## Commercial & Ordering Information
* **Target Industries:** Aerospace, automotive, heavy machinery, defense, die-casting, and precision fitments.
* **Minimum Order & Inquiries:** Fast turnaround for bulk and cut-to-size unit orders.
* **Contact & Sales Desk:** Reach sales reps directly via [Soni Steels Contact Page](https://sonisteels.com/contact/) or email info@sonisteels.com.

## Tool Steels

Soni Steels supplies tool and die steels including:

- HCHCR D2 / 1.2379
- D3
- HDS H13
- OHNS / O1
- HSS M2
- HSS M35
- HSS M42
- P20

## Alloy and Engineering Steels

Soni Steels supplies:

- EN19
- EN24
- EN31
- EN8
- 20MnCr5
- EN353
- EN41B
- EN47
- EN36C
- C45
- SAE 52100 / Silver Steel

## Stock Information

The current stock page provides dimensional availability for rounds, flats and squares across multiple grades.

Authoritative stock information:
https://sonisteels.com/ready-stocks/

## Tool Steel Information

https://sonisteels.com/tool-steel/

## Company Information

https://sonisteels.com/about-us/

## Contact

https://sonisteels.com/contact/

## Important

For current stock availability, dimensions, pricing, delivery condition and material certification, customers should contact Soni Steels directly. Stock dimensions may change and the current stock page should be treated as the authoritative source for availability.

## Technical Blog & Knowledge Base

- [Tool Steel in High-Performance Industries](https://sonisteels.com/reliable-tool-steel/quality-steel-profits-your-bottom-line/): Role of tool steel in aerospace landing gear, automotive engine components, and precision manufacturing.
- [Understanding the Six Types of Tool Steel](https://sonisteels.com/author/sonisteels-com/): Overview of high-speed, hot-work, cold-work, shock-resisting, water-hardening, and special-purpose tool steels.
- [Understanding EN 41B Nitriding Steels](https://sonisteels.com/author/sonisteels-com/): Technical guide on EN 41B engineered for extreme wear resistance and surface hardness.
- [Unveiling the Uses of HCHCR-D3 Steel](https://sonisteels.com/author/sonisteels-com/): Properties and applications of High Carbon High Chromium D3 tool steel for dies and punches.
- [The Role of Tested Tool Steel in Manufacturing Efficiency](https://sonisteels.com/author/sonisteels-com/): How lab-tested steels prevent premature component failure and reduce downtime.
- [Your Advantage with an ISO-Certified Tool Steel Supplier](https://sonisteels.com/author/sonisteels-com/): Benefits of traceable quality checks and consistent material standards.
- [Manufacturing with AI](https://sonisteels.com/author/sonisteels-com/): How AI tools and predictive practices are transforming modern metal fabrication and tooling.