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GTG Steel – Professional & Reliable
Tool Steel & Alloy Steel Supplier

Over 20 years specializing in 4340 and 4140 steel round bars. Around 10,000 tons of hot-rolled or forged steel round bars in stock for fast delivery.

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About GTG Steel

Dongguan Songshun Mould Steel Co., Ltd. is located in Chang’an Town – the famous town of mold in the Pearl River Delta of China. After more than 10 years of development, we now have the capacity to provide complete services from manufacturing and marketing to distributing.

We have been focused on steel production and trade, offering a wide range of high-quality tool steel, alloy steel, plastic mold steel, and high-speed steel products. Our expertise ensures reliability, precision, and fast delivery for industrial clients worldwide.

  • Over 20 years of specialization in 4340 and 4140 steel
  • 10,000+ tons of steel in stock for fast delivery
  • Custom heat treatment: Q+T, Annealed, Machined, Polished
  • Global distribution with multilingual support
Steel Manufacturing

Our Products

High-quality steel products for industrial, mold, and engineering applications. All materials available in round bars, sheets, and plates.

H13 Steel

H13 | 1.2344 | SKD61

Hot work tool steel ideal for die casting, forging, and extrusion dies. Excellent toughness and thermal fatigue resistance.

Standards: AISI H13, DIN 1.2344, JIS SKD61

Form: Round Bar, Sheet, Plate

8620 Steel

8620 | 1.6523 | SNCM220

Alloy steel with excellent core strength and wear resistance. Ideal for gears, shafts, and automotive components.

Standards: AISI 8620, DIN 1.6523, JIS SNCM220

Form: Round Bar, Sheet, Plate

4340 Steel

4340 | EN24 | 34CrNiMo6

High-strength alloy steel with excellent toughness. Used in aerospace, automotive, and heavy machinery applications.

Standards: AISI 4340, EN24, DIN 1.6563

Form: Round Bar, Sheet, Plate

H11 Steel

H11 | 1.2343 | SKD6

Air-hardening hot work steel with high thermal shock resistance. Suitable for aluminum die casting and forging dies.

Standards: AISI H11, DIN 1.2343, JIS SKD6

Form: Round Bar, Sheet, Plate

D2 Steel

D2 | 1.2379 | SKD11

High-carbon, high-chromium cold work steel. Exceptional wear resistance for cutting tools and dies.

Standards: AISI D2, DIN 1.2379, JIS SKD11

Form: Round Bar, Sheet, Plate

4140 Steel

4140 | 42CrMo4 | SCM440

Versatile chromium-molybdenum alloy steel. Widely used in shafts, gears, and tooling due to high fatigue strength.

Standards: AISI 4140, DIN 1.7225, JIS SCM440

Form: Round Bar, Sheet, Plate

NAK80 Steel

NAK80

Pre-hardened plastic mold steel with excellent polishability and dimensional stability. Ideal for precision molds.

Standards: JIS NAK80

Form: Round Bar, Sheet, Plate

M2 Steel

M2 | 1.3343 | SKH51

High-speed tool steel with excellent wear resistance and heat hardness. Used in cutting tools and drills.

Standards: AISI M2, DIN 1.3343, JIS SKH51

Form: Round Bar, Sheet, Plate

S136 Steel

S136 | S136H

Stainless plastic mold steel with high corrosion resistance and polishability. Ideal for PVC and acidic environments.

Standards: AISI 420 Modified, DIN 1.2083

Form: Round Bar, Sheet, Plate

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Why Choose GTG Steel?

Industrial Expertise

Over 20 years of experience in steel production and trade with a focus on precision engineering materials.

Fast Delivery

10,000+ tons of steel in stock. Ready for immediate shipment across China and worldwide.

Custom Processing

Q+T, annealed, machined, peeled, and polished surfaces available upon request.

Global Support

Multilingual team supporting clients in English, Spanish, French, German, Japanese, Arabic, and Portuguese.

20+
Years Experience
10,000+
Tons in Stock
50+
Global Clients
7
Languages Spoken

Frequently Asked Questions

What types of steel do you specialize in?

We specialize in tool steel (H13, D2, DC53), alloy steel (4140, 4340, 8620), plastic mold steel (NAK80, P20, S136), and high-speed steel (M2, M35, M42).

Do you offer custom machining services?

Yes, we offer custom machining, peeling, polishing, and heat treatment (Q+T, annealed) based on customer requirements.

What is your delivery time?

For in-stock items, delivery is within 3-7 days in China. International shipping times vary based on destination and logistics.

Can you provide material certifications?

Yes, we provide mill test certificates (MTC) and can arrange third-party inspection reports upon request.

Do you export internationally?

Yes, we export to clients worldwide and support multiple languages for seamless communication.

Get in Touch

Need a quotation or have questions about our steel products? Contact us today for expert support.

[email protected]
+86-137-2351-6041
No.4 Dongda Street, ShaTou, Dongguan City, Guangdong Province, China.
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