ChinaAlloyPlates.com | Premium Alloy Steel Plates & Special Alloys Supplier

About ChinaAlloyPlates.com

ChinaAlloyPlates.com is the international sales platform of Gnee Steel (Tianjin) Co., Ltd — a leading manufacturer and exporter of high-performance steel plates and special alloys with over 18 years of experience.

We specialize in producing and supplying premium alloy structural steel, pressure vessel steel, corten/weathering steel, high-strength low-alloy (HSLA) steel, abrasion-resistant plates, clad steel, and exotic alloys including nickel, zirconium, tantalum, niobium, molybdenum, and tungsten.

With more than 200 employees and direct ownership of two manufacturing facilities, we offer factory-direct pricing, custom solutions, and fast global delivery from our 7 strategic warehouses across China, holding over 250,000 tons of inventory.

Our Premium Products

Explore our comprehensive range of high-performance steel plates and special alloys engineered for durability, strength, and corrosion resistance.

Pressure Vessel Steel

High-strength steel designed for boilers, reactors, and storage tanks under high pressure.

Standards: ASTM/ASME, EN, JIS, GB, DIN

Grades: SA387, P355NL1, 10CrMo910, SA662 Gr.C

Corten Steel (Weathering Steel)

Corrosion-resistant steel with a protective rust-like appearance ideal for outdoor structures.

Standards: ASTM/ASME, EN, GB/T, JIS

Features: Self-protecting oxide layer, low maintenance

High Strength Low Alloy (HSLA) Steel

Enhanced mechanical properties with improved atmospheric corrosion resistance.

Grades: SM570, A572 Grade 50, S355JR

Applications: Bridges, heavy machinery, construction

Abrasion Resistant Steel

Hardened steel for extreme wear environments in mining, construction, and material handling.

Types: NM AR Plate, GB/T AR, JIS Abrasion, EN Wear Resistant

Hardness: Up to 600 HBW

Clad Steel Plate

Composite plates with corrosion-resistant overlay bonded to carbon steel base.

Base Materials: Structural, pressure vessel, linepipe steels

Overlay Options: Stainless, nickel, titanium

Nickel Alloys

High-performance alloys with exceptional corrosion resistance in aggressive environments.

Properties: Corrosion resistance, high-temperature strength

Applications: Chemical processing, marine, aerospace

Zirconium Alloys

Lightweight, high-strength alloys with excellent corrosion resistance for nuclear and chemical industries.

Features: High strength-to-weight ratio, neutron transparency

Uses: Reactor components, heat exchangers

Tantalum & Niobium Alloys

Extremely corrosion-resistant refractory metals for extreme chemical environments.

Tantalum: Resists acids including HF, high melting point

Niobium: Superconducting applications, alloying agent

Molybdenum & Tungsten Alloys

Refractory metals with outstanding high-temperature performance and strength.

Molybdenum: High temp resistance, thermal conductivity

Tungsten: Highest melting point of all metals, radiation shielding

Profile Steel (H Beam, Channel, Angle)

Structural steel shapes for construction, infrastructure, and industrial frameworks.

Types: H Beam, Channel Steel, Angle Steel, Round Steel

Standards: ASTM, EN, JIS, GB

Why Customers Choose Us

Direct Factory Sales

We own two manufacturing facilities — no middlemen, better pricing, full quality control.

250,000+ Tons in Stock

Over 800 specifications available from inventory across 7 warehouses in China.

7-Day Fast Delivery

Fastest delivery time for in-stock items — get your materials when you need them.

Custom Fabrication

Cutting, slitting, heat treatment, and surface finishing services available.

Frequently Asked Questions

What types of alloy steel plates do you supply?

We supply pressure vessel steel, corten/weathering steel, HSLA steel, abrasion-resistant plates, clad steel, and special alloys including nickel, zirconium, tantalum, niobium, molybdenum, and tungsten.

Do you offer custom sizes and specifications?

Yes, with 18 years of experience, we provide customized solutions including specific dimensions, thicknesses, heat treatment, and surface finishes.

What are your delivery times?

For in-stock items, the fastest delivery is 7 days. Custom orders typically take 15–30 days depending on specifications and quantity.

Which international standards do your products meet?

Our products comply with ASTM/ASME, EN, JIS, GB/T, and DIN standards, ensuring global acceptance and quality assurance.

Can you provide material test certificates (MTC)?

Yes, we provide Mill Test Certificates (MTC) in accordance with EN 10204 3.1 or 3.2 upon request for full traceability and compliance.

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