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World's Leading Industry Corporation

Trusted
China Supplier
Professional
Steel Stockist

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China-based steel stockist offers a vast inventory of steel plates, coils, pipes, tubes, fittings & fasteners in stainless, alloy, carbon steel. Get a competitive quote for your project today!

about us

One Industry All SolutionBuilding dreams with 20 Long Years Of Manufacturing Excellence With Quality At It's Best!

No minimum order, fast delivery worldwide. We partner with certified mills and apply strict in-house inspection to ensure every product meets international standards. Full material traceability with MTR (Mill Test Report) is provided for every batch.

stainless steel

201,410/410S,409L,430,304/304L,304H,
347H,316/316L,316Ti,317L,321,
17-4PH,309S,310S,253MA,2205,2507,
904L,Alloy20,254SMO

Nickel Alloy

Inconel 600/601,Inconel 625,Inconel 718,
Inconel 690,Inconel X750,Hastelloy C-276,
Hastelloy C-22,Hastelloy X,Hastelloy B-2,
Hastelloy B-3,Alloy 330,Alloy36,
Incoloy 800 / 800H,Incoloy 825,
Nickel 200/201,Monel400/K-500.

Copper Alloy

C26000,C27000,C28000,C36000C46400,
C51000,C52100,C54400,C63000,C61300,
C70600,C71500,C17200,C17500,C11000,
C11000,C10100/C10200,C44300,C3771.

Titanium Alloy

R50250,R50400,R50550,R50700,R50550,
R54810,R56400,R56401,R56320,R56700,
R56410,R58150,R58130,R52400,R53400,
R58640,R54620

What We're Offering

Services Built Specifically
For Your Business

Available Product Range (in mm)

Thickness: From 0.5 mm to 150 mm, depending on product type
Width: Ranging from 300 mm to 4,000 mm
Length: Standard lengths from 1,000 mm to 12,000 mm; custom lengths available upon request

  • Cold Rolled Steel Plate / Sheet
  • Hot Rolled Steel Plate
  • Single-Slab Rolled Plate
  • Cut-to-Length Plate
  • Custom Cut Plate

Available Round Bar Dimensions (in mm)

Cold Drawn Round Bar

Diameter:Φ5 – Φ100 mm,Length:100 – 12,000 mm or custom cut

Hot Rolled Round Bar

Diameter:Φ20 – Φ100 mm,Length:100 – 12,000 mm or custom cut

Forged Round Bar

Diameter:Φ100 – Φ1000 mm,Length:500 – 6,000 mm or custom cut

Coiled Round Bar / Wire Rod

Diameter:Φ0.6 – Φ6.0 mm,Length:Coil or custom cut

Type Of Flangs (Size/Dimensions)

Pressure Rating:Class 150, 300, 600, 900, 1500, 2500 (ASME) / PN10, PN16, PN40 (DIN/EN)
Face Type:Flat Face (FF), Raised Face (RF), Ring Joint (RTJ), Tongue & Groove (T/G)
Typical Size:DN6 – DN2000 (NPS ¼” – 80″)
Small bore: DN15–DN100 (for instruments, machinery)
Large bore: DN300+ (for oil & gas, water treatment)

  • Welding Neck, Reducer Flange
  • Socket Weld Flange
  • Slip-On Flange
  • Threaded Flange
  • Lap Joint Flange
  • Blind Flange

Types of Steel Pipes & Tubes

Seamless Pipe

OD Φ6 – Φ630 mm, WT 0.5 – 80 mm

Welded Pipe

OD Φ15 – Φ3000 mm (up to 3m for spiral)

Precision Tube

OD Φ4 – Φ100 mm, WT tolerance ±0.05mm

Capillary Tube

OD 0.5 – 6 mm, WT down to 0.1mm

Coiled Tube

Up to 100–1000m long, for OD < Φ25mm

Types of Fittings

Elbow

90°, 45°, and 180°. Available in Long Radius (LR) and Short Radius (SR) types.
Nominal Diameter (DN): DN6 – DN1200 (NPS ¼" – 48")
Schedule : SCH 5, 10, 20, 30, 40, 80, 160, XXS
Custom angles (e.g., 30°, 60°), U-bend heat exchanger tubes

Tee

Nominal Diameter (DN): DN6 – DN1200 (NPS ¼" – 48")
Schedule : SCH 5, 10, 20, 30, 40, 80, 160, XXS
Equal Tee, Reducing Tee, Butt-Weld Tee, Socket Weld Tee, Threaded Tee.

Cap

Types: Butt-Weld Cap, Socket Weld Cap, Threaded Cap
Nominal Diameter (DN): DN6 – DN1200 (NPS ¼" – 48")
Schedule : SCH 5, 10, 20, 30, 40, 80, 160, XXS
Custom non-standard sizes, small batch orders

Weldolet/Sockolet

Weldolet,Sockolet,Threadolet,Latrolet,Nipolet,Lapolet
Run Pipe: DN25 – DN1200 (NPS 1" – 48")
Outlet Branch: DN6 – DN200 (NPS ¼" – 8")
Schedule: SCH 40, 80, 160, XXS (matched to run pipe)

Overall Supply Range of Metal Strip & Foil

Strip: Width ≥ 3mm, Thickness 0.05mm – 3.0mm
Foil: Width ≥ 3mm, Thickness 0.005mm – 0.05mm
Width Range: 3 mm – 600 mm (slitting available)
Thickness Tolerance
Strip: ±0.005mm – ±0.03mm (precision rolling)
Foil: ±0.002mm – ±0.008mm (optical/battery grade accuracy)

  • Strip: Width ≥ 3mm, Thickness 0.05mm – 3.0mm
  • Foil: Width ≥ 3mm, Thickness 0.005mm – 0.05mm
  • Width Range: 3 mm – 600 mm (slitting available)
  • Strip: ±0.005mm – ±0.03mm (precision rolling)
  • Foil: ±0.002mm – ±0.008mm (optical/battery grade accuracy)

Filler metal for use with parent material

Solid Wire

Φ0.8mm – Φ4.0mm (common: Φ1.2, Φ1.6)
For TIG & MIG/MAG welding

Flux-Cored Wire

Self-shielded or gas-shielded,Φ1.2mm – Φ2.4mm

SAW Wire + Flux

Complete sets for submerged arc welding of thick sections

Stick Electrodes

Φ2.0mm – Φ6.0mm(SMAW)

Strip Cladding

For strip electrode welding (PTA, SAW)
0.5mm × 10mm – 0.8mm × 50mm

What We're Offering

Precision at Its Best
310S and ALLOY600 Key Bars

High-Precision Key Bars

Dimensional tolerance ±0.03mm, straightness ±0.02mm, ensuring reliable performance under various stringent conditions.

Bright Surface Finish

Advanced processes guarantee a smooth, flawless surface, suitable for precision assembly and high-purity environments.

High-Quality Materials

Made from premium 310S and ALLOY600 alloy materials, offering excellent high-temperature and corrosion resistance.

critical components in hydrogen energy systems

it is ideal for sealing elements, bipolar plate locating strips, and stack structural parts in fuel cells and high-pressure hydrogen equipment. 

Recent Portfolios

Our Recently Completed
Projects

Pharmaceutical Equipment

316L Used in the Pharmaceutical Industry

Offshore Drilling

Duplex 2205 vs. Super Duplex 2507

Offshore Drilling

duplex 2507 DIN1.4410 UNS S32750 Resistance to Corrosion

200+

Projects Completed

16+

Industries Served

9+

Countires Reached

WHY CHOOSE US

Reliable Quality

We adhere to international standards with strict quality control, ensuring every product meets the highest reliability and performance.

Fast Delivery

Optimized inventory and logistics management accelerates order processing and ensures on-time delivery, keeping your projects on schedule.

Professional Service

Our technical team offers expert support from inquiry to after-sales, delivering tailored solutions with responsiveness and care.

Comprehensive Product Range

From standard components to custom materials, we offer a complete portfolio to meet diverse industrial needs.

MEET OUR TEAM

Your Trusted Supplier of Stainless Steel & Nickel Alloys

Our materials are trusted across critical industries, including oil & gas, chemical processing, mechanical equipment, new energy (hydrogen, EV), aerospace, medical devices, seawater-resistant systems, and precision instrumentation. We help engineers and procurement teams select the right alloys for extreme conditions — from high temperatures and corrosive environments to ultra-clean medical requirements.

100% Client
Satisfaction

In-House Machining
for 310S & ALLOY600

Martin Yu - CEO & FOUNDER

Driven by innovation, committed to material excellence

MEET OUR TEAM

Experience Team Members

Kael

Engineer

Howard Wu

Engineer

Helen

Engineer

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We have a wide range of customers around the world in industries such as home appliances, elevators, tableware, kitchen equipment, solar water heaters, machinery and equipment, and pressure vessels. We can provide 201, 304, 304, 304L, 316L, 321, 310S, 430, 409L, 2205, 2507, 904L, S31254, Alloy600, alloy825, alloy625, alloy800, n10276, etc., with thickness of 0.25mm ~ 80mm, and the surface has the following characteristics No.1, 2B, No.3, No.4, HL, BA, 8K, anti-fingerprint, etc.,

Best Products

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Contact Us

  • +86 189 3041 8613
  • yurongshai@gmail.com
  • 555-68- Hongliu Rd Putuo,Shanghai,China
  • Copyright 2025.Shanghai Honglong metal material Co. , Ltd.