Strategic Metal Solutions Partner for Global Marine Industry
Shandong Baimaoxing Iron and Steel Co., Ltd. supplies high-performance steel plates, coils, bars, and pipes tailored for marine platforms, shipbuilding, and petrochemical infrastructure.
Integrated Manufacturing & Supply Chain Precision
Located in Liaocheng City, Shandong Province, Shandong Baimaoxing Iron and Steel Co., Ltd. is a leading comprehensive steel enterprise integrating R&D, precision processing, sales, and professional technical services.
Our specialized portfolio serves high-demand industries worldwide. Visit our official site at baimaoxingsteel.com for one-stop procurement of raw plates, finished pipes, tailored coils, and fabricated profiles compliant with ASTM, GB, EN, and JIS specifications.
Shandong Baimaoxing Iron and Steel Co., Ltd. HQ & Supply Hub
Combating Corrosion in Severe Marine Environments
Understanding environmental aggressive dynamics: Marine atmospheric salt-spray, splash zone action, and full ocean submergence require targeted metallurgy.
Atmospheric Salt-Spray Zone
Characterized by high airborne chloride concentrations, extreme humidity, and cyclic condensation. Airborne marine salts accelerate pitting corrosion on non-passivated alloys.
Recommended: 316L, PPGI/PVDF Carbon SteelMarine Splash & Tidal Zone
The most aggressive zone combining high oxygen saturation, continuous wave impact, and wet/dry cycling. Passive film breakdown occurs rapidly without specialized alloying elements.
Recommended: TA2 Titanium, Heavy Galvanized Structural SteelSubmerged Seawater Zone
Exposed to constant hydrostatic pressure, bio-fouling, microbially influenced corrosion (MIC), and galvanic coupling. Demands high mechanical yield with crevice corrosion immunity.
Recommended: TA2 Titanium, 316L, High-Yield Shipbuilding SteelCore Metallurgy Analysis: 316L vs. TA2 Titanium vs. High-Strength Carbon Steel
Evaluating mechanical, chemical, and economic trade-offs for marine and offshore engineering applications.
AISI 316L / UNS S31603 / 1.4404
Containing 16-18% Chromium, 10-14% Nickel, and 2-3% Molybdenum. The low carbon content (≤0.03%) prevents carbide precipitation during welding, ensuring excellent resistance to intergranular corrosion.
- ✔ PREN (Pitting Resistance Equivalent): 23 - 25
- ✔ Yield Strength: ≥ 220 MPa
- ✖ Limitation: Susceptible to pitting under stagnant seawater with temperatures > 50°C.
TA2 / ASTM Grade 2 / UNS R50400
Commercially pure titanium providing an unbeatable strength-to-weight ratio. Spontaneously forms a protective TiO2 passive film, offering absolute immunity to chloride pitting and seawater corrosion.
- ✔ Corrosion Rate in Seawater: 0.000 mm/year
- ✔ Density: 4.51 g/cm³ (40% lighter than steel)
- ✖ Limitation: Higher raw material cost and specialized welding requirements (Argon purge).
AH36 / DH36 / EH36 / Q355NH / Q355B
High-tensile micro-alloyed carbon steel designed for major marine structural loads. High fatigue strength paired with heavy-duty anti-corrosion coatings (GI, PPGI, PVDF, Epoxy).
- ✔ Yield Strength: 355 - 400+ MPa
- ✔ Cost Efficiency: Maximum load capability per dollar spent
- ✖ Limitation: Requires surface protective coatings or sacrificial zinc anodes.
Material Performance Comparison Matrix
Comprehensive benchmarking of key parameters for selecting materials tailored to marine engineering projects.
| Evaluation Parameter | 316L Stainless Steel | TA2 Titanium (Gr2) | High-Strength Carbon Steel (AH36 / Q355) |
|---|---|---|---|
| Salt-Spray Test Endurance | 1,500 - 3,000 Hours (ASTM B117) | 10,000+ Hours (Immune) | 500 - 1,500 Hours (Galvanized/Painted) |
| Seawater Environment Fit | Moderate to High (Splash & Atmospheric) | Maximum (Immersion, Splash & High Temp) | High (With Protective Coatings & Cathodic Protection) |
| Density (g/cm³) | 7.98 | 4.51 (Lightweight) | 7.85 |
| Yield Strength (MPa) | ≥ 220 | ≥ 275 - 450 | ≥ 355 - 500 |
| Relative Cost Ratio | Medium - High (1.0x Base) | High (~3.5x - 4.5x) | Low - Economical (~0.3x) |
| Fabrication / Machining Difficulty | Moderate (Work hardens) | High (Requires controlled tooling & inert shielding) | Easy (Standard cutting, forming & welding) |
| Typical Marine Design Service Life | 15 - 25 Years | 40+ Years (Zero degradation) | 10 - 30 Years (Subject to coating maintenance) |
Comprehensive Marine Product Catalog & Specifications
Explore raw materials, finished plates, tubes, coils, and bars supplied directly from Shandong Baimaoxing Iron and Steel Co., Ltd.
1. Carbon Steel Sheet, Plate, Bar, Coil & Pipe Series
Our premium carbon steel plates cover grades like Q235B, Q355B/C/D/E, A36, 1045, and specialized marine structural steel (A32, D32, E32, F32, AH36, DH36, EH36). Dimensions are customizable up to 3000mm width and 300mm thickness. Compliant with ASTM, GB, and ABS classification standards.
| Grades | Q235B, Q355B/C/D/E, A36, AH32-EH40, NM360-NM500, 45# |
| Thickness Range | 1mm to 300mm (Plates) | 4mm to 70mm (Pipes) |
| Surface Finish | Bare, Black Painted, Hot-Dip Galvanized (30-275g/m²), Oiled |
| MOQ & Lead Time | 1 Ton Minimum | Delivery within 10-15 Days |
Heavy Carbon Steel Plates
Seamless Carbon Steel Pipes
2. Stainless Steel Sheet, Plate, Coil, Pipe & Bar Series
316L Stainless Steel Sheets
Stainless Steel Marine Tubing
Full grade availability including 304, 304L, 316, 316L, 321, 310S, 904L, and Duplex Stainless Steels (2205/2507). Offered in cold-rolled (2B/BA) and hot-rolled (No.1) conditions with precision surface options (8K Mirror, Hairline, Brushed).
| Execution Standards | ASTM A240, ASTM A312, JIS G4304, EN 10088-2 |
| Tubes & Pipes OD | Seamless: 6mm - 2500mm | WT: 1mm - 150mm |
| Flat Bars / Angles | 20x20mm - 200x200mm Angle | 10mm - 300mm Flat Width |
| Quality Assurance | 100% Eddy Current Test & Hydrostatic Testing |
3. Titanium & Titanium Alloy Coils, Plates, Bars & Tubes
Covering pure titanium (TA1, TA2 / Grade 1, Grade 2) and high-strength titanium alloys (TC4 / Grade 5, Grade 7, Grade 12, Grade 23). Built per ASTM B265, ASTM B348, and ASTM B338 for demanding marine heat exchangers, chemical scrubbers, and offshore platform piping.
| Titanium Plate Thickness | 0.3mm to 120mm | Max Width: 2500mm |
| Titanium Tube Spec | Seamless: Up to 18m length | Welded: Up to 5000mm OD |
| Processing & Testing | Ultrasonic Test (UT), SGS/TUV Third-Party Inspection |
| Key Advantage | Absolute zero corrosion rate in marine saltwater |
Pure Titanium Coils (TA2 / Gr2)
Grade 5 / TC4 Titanium Plates
Marine Zone Selection Guide & Plate Specifications
Optimize long-term service life by selecting the correct metal composition for your operating environment.
Exposed to salt humidity and breeze without direct seawater submersion.
- Optimal Alloy: 316L Stainless Steel or PPGI PVDF Coated Steel
- Recommended Specs: Plate 3mm - 12mm | Coil 0.5mm - 2.0mm
- Protection: 2B or Brushed Finish (316L) / 275g/m² Zinc (Carbon)
Continuous mechanical wave washing, high oxygen saturation, cyclic drying.
- Optimal Alloy: TA2 Titanium or Heavy AH36 / EH36 Structural Steel
- Recommended Specs: Heavy Plate 12mm - 50mm
- Protection: Titanium (Self-passivating) / Epoxy Cladding (Carbon Steel)
Full continuous immersion under hydrostatic pressure and marine fouling.
- Optimal Alloy: TA2 / Grade 5 Titanium or Duplex 2205 / 316L
- Recommended Specs: Seamless Pipes & Thick Flange Plates (10mm - 100mm)
- Protection: Cathodic sacrificial zinc protection + Passivated oxide layer
Precision Fabrication Services & Turnkey Procurement Advantages
Save upfront capital expenditures and simplify supply chain logistics with our integrated processing services.
In-House Precision Processing Capabilities
Shandong Baimaoxing Iron and Steel provides complete secondary processing. Convert raw plates, pipes, and coils directly into installation-ready components:
Cost Comparison: Integrated Kit vs. Raw Material Procurement
Procuring raw plates independently leads to scrap waste, higher freight costs, multi-vendor coordination risks, and local processing markups.
State-of-the-art Rolling, Decoiling, and Surface Processing Lines
Proven Track Record in Global Offshore Projects
Delivering certified materials for critical marine engineering projects around the globe.
Southeast Asia Offshore FPSO Deck Upgrade
Client Challenge: Severe chloride pitting on legacy carbon steel decks causing safety hazards under humid tropical marine salt spray.
Baimaoxing Solution: Supplied 480 Tons of pre-cut 316L Stainless Steel plates (6mm & 10mm thickness) along with custom 316L structural angle bars.
Middle East Commercial Shipyard Tugboat Hulls
Client Challenge: High wave impact and high salinity in Gulf waters required high yield strength paired with impact resistance.
Baimaoxing Solution: Delivered 1,200 Tons of ABS-certified AH36 and DH36 high-strength marine steel plates featuring shot-blasted and shop-primed surfaces.
Frequently Asked Questions (FAQ)
Get fast answers to critical questions about material certification, export logistics, processing, and order requirements.
Q1: What material certificates and mill test reports (MTC) do you provide?
All orders are shipped with EN 10204 3.1 Mill Test Certificates detailing chemical compositions, mechanical yield/tensile strength, elongation, and impact test values (-20°C to -40°C). Third-party inspection reports from SGS, BV, TUV, or classification societies (ABS, DNV, LR) are available upon request.
Q2: What are your export packaging standards to prevent sea freight corrosion?
We use heavy-duty seaworthy packaging: Waterproof kraft paper + plastic film wrap + galvanized steel outer sheet protection + rigid edge protectors, securely bound with steel strapping on fumigated wooden pallets or custom steel skids. Desiccant packs are inserted into sealed container shipments.
Q3: What customized cutting and beveling tolerances can you achieve?
Our laser cutting machines deliver tolerances within ±0.2mm. Plasma and flame profile cutting maintain tolerances within ±1.0mm. We offer V-beveling, X-beveling, and J-groove edge preparation tailored for direct welding upon arrival at your shipyard or factory.
Q4: What is your Minimum Order Quantity (MOQ) and sample policy?
For standard stock sizes of 316L, carbon steel, and titanium bars/plates, our MOQ is 1 Ton. For custom alloy smelting or specific non-standard dimensions, MOQ is typically 3-5 Tons. Free material samples (A4 size plates or short tube sections) are provided upon request (freight collected).
Submit Your Project Working Conditions for a Custom Quote
Our metallurgical engineering team will evaluate your environmental conditions and recommend the optimal material configuration within 24 hours.
Direct Contact Details
Connect directly with our international sales manager for instant technical assistance and factory pricing:
Certified Quality Management & Compliance System