Certified Steel Piping & Engineered Fittings
Bridging premium Chinese steel manufacturing capabilities with Southeast Asian energy, chemical, and EPC projects. We deliver zero-defect piping systems backed by on-site factory verification, 100% batch testing, and transparent supply chain execution.
Procurement Risk Mitigation
Your Trusted Eyes & Engineers on China's Factory Floor
We eliminate the risks of defective wall thickness, substandard metallurgy, and schedule delays for overseas contractors.
Tier-1 Mill Qualification
Strict audit of certified Chinese state and specialized steel manufacturers. Every batch tracks back to original raw billets and primary ladle metallurgy.
Real-Time Visual Transparency
Comprehensive production logs, unedited high-resolution inspection videos, and packing photo reports delivered straight to your engineering team before vessel loading.
Rigorous Testing Verification
100% inspection on wall thickness tolerance, hydrostatic pressure ratings, ultrasonic NDT flaw detection, and dual-certified EN 10204 3.1 Mill Test Certificates.
ADK Steel Pipes & Fittings System
High-integrity fluid transmission and structural steel solutions manufactured to international standards (ASTM, ASME, API, EN, DIN, JIS).
Seamless Carbon & Alloy Steel Pipes
Engineered from solid steel billets with zero longitudinal weld seams. Designed specifically for critical high-pressure, elevated temperature, and high-tensile environments where failure is not an option.
WT: SCH20 - SCH160 / XXS
Engineering Comparison
ADK Product Matrix & Specification Reference
Comprehensive standard alignment for engineering consultants and procurement leads.
| Category | Core Grades | Dimension Range | Key Standards | Inspection Focus |
|---|---|---|---|---|
| Seamless Steel Pipe | A106B, A53B, API 5L Gr.B / X42 / X52 / X65, 20#, Q345B | 1/2" - 36" (OD: 21.3 - 914mm) | ASTM A106/A53, API 5L, EN 10216-1 | Hydrostatic test, UT/ET wall thickness tolerance (±10%) |
| Stainless Steel Pipe | TP304/304L, TP316/316L, 321, S31803, S32205 (Duplex 2205) | 1/4" - 24" (OD: 13.7 - 610mm) | ASTM A312, ASTM A213, EN 10216-5 | PMI chemistry verify, intergranular corrosion test, surface roughness |
| ERW / LSAW Welded | Q235B, Q355B, ASTM A53 Gr.B, API 5L X42 - X70 | ERW: 1/2"-24" | LSAW: 16"-60" | ASTM A53, API 5L PSL1/PSL2, ASTM A252 | 100% weld seam ultrasonic / X-Ray inspection, weld flattening test |
| Pipe Fittings (Elbow/Tee) | WPB, WPL6, WP304L, WP316L, High-Yield WPHY42-70 | 1/2" - 48" (Seamless & Welded) | ASME B16.9, MSS-SP 75, DIN 2605 | Bevel angle accuracy, center-to-end dimension, wall thinning rate |
| Forged Flanges (WN/SO/BL) | A105N, A350 LF2, A182 F304/304L, F316/316L | 1/2" - 60" (Class 150 - 2500) | ASME B16.5, ASME B16.47 Series A/B | Gasket surface finish (Ra 3.2-6.3 μm), bolt hole pitch & forging grain |
ADK 5-Step China Verification Protocol
We ensure what arrives at Manila, Haiphong, Jakarta, or Klang port matches 100% of your technical specification sheets.
Billet & Raw Material Trace
Tracking original steel plant furnace heat numbers and reviewing ladle chemical composition before production kickoff.
In-Process Dimension Check
On-site digital ultrasonic gauging of actual wall thickness (WT), outside diameter (OD), out-of-roundness, and straightness.
NDT & Hydrostatic Testing
100% hydrostatic pressure testing holding duration verification alongside Eddy Current and Ultrasonic flaw detection.
PMI Chemical Verification
Handheld XRF / PMI spectrometer gun inspection on site to verify Cr, Ni, Mo, and carbon equivalents before coating.
Export Packing & Loading
End plastic caps protection, anti-rust varnish coating, waterproof wrapping, steel strip bundling, and container lash supervision.
Factory On-Site Inspection
Direct live video & calibrated caliper dimensional log
Standard Beveling & Surface
Clean ANSI B16.25 bevels ready for automated robotic welding
Port Container Lashing
Damage-free strapping to Southeast Asian major container ports
Serving Leading EPC Contractors Across Southeast Asia
ADK has established dedicated project fulfillment workflows customized to local port customs, shipping lanes, and engineering standards for Southeast Asia's fastest-growing industrial sectors.
Industrial parks, water treatment plants, offshore energy projects.
Power plant pipeline networks, structural piling, commercial HVAC.
Refineries, mining slurry lines, chemical processing facilities.
Petrochemical complexes, oleochemical piping, fabrication yards.
Our Service SLA Commitment
Request an Official Engineering Quotation
Submit your product specifications, schedule, and destination port. Our metallurgical engineers will review and respond within 24 hours.
Your China Supply Chain Management Partner for Steel Pipes & Fittings.