1. Compliance & Certification
ASME/ASTM Standard Guarantee Manufactured strictly to ASME SA106 / ASTM A106 Grade B specifications. Third-party certified for chemical composition, mechanical properties, and hydrostatic testing. Shandong Fengmai provides full Mill Test Reports (MTRs) traceable to each batch.
2. Seamless Manufacturing Excellence
Zero-Weld Integrity Hot-rolled seamless (SMLS) construction ensures homogeneous microstructure, eliminating weld defects. Ideal for high-pressure (up to 2000 PSI) and high-temperature (450°C/850°F) critical service in power plants, refineries, and industrial piping systems.
3. Mechanical Performance
Guaranteed Strength Metrics
- Tensile Strength: ≥415 MPa (60,000 psi)
- Yield Strength: ≥240 MPa (35,000 psi)
- Elongation: ≥30% (ensuring ductility for bending/flaring) Exceeds API 5L B and ASTM A53 Gr B benchmarks for industrial reliability.


4. Controlled Chemistry
Precision Composition (Typical %)
| Element | C | Mn | Si | P | S |
|---|---|---|---|---|---|
| Range | ≤0.30 | 0.29-1.06 | ≥0.10 | ≤0.035 | ≤0.035 |
| Optimized for weldability, creep resistance, and thermal stability in sustained operation. |
5. Quality Assurance Protocol
Triple Verification System
- Ultrasonic Testing (UT): Full-length flaw detection per ASTM E213.
- Hydrostatic Testing: 100% pressure testing at ≥1.5x design pressure.
- Dimensional Checks: Laser-calibrated OD/WT tolerance per ASME B36.10M. Fengmai’s QA extends to our Stainless Steel Round Tubes (ASTM A312) and Grouting Steel Pipes – all export-certified.
6. Global Sizing & Compatibility
Dimensions Ready for Integration
| Parameter | Specification |
|---|---|
| Size Range | 1/8" to 24" NB |
| Wall Thickness | SCH 10, 40, 80, 160, XXS |
| Length | 6-12m (custom cut) |
| Ends | Plain/Beveled/Threaded (ASME B16.25) |
| Pair with Hollow Grouting Anchors for structural reinforcement projects requiring corrosion-coated components. |
Why Fengmai’s SA106 Gr B?
Shandong Fengmai Metal Materials Co., Ltd. leverages 15+ years of seamless pipe export expertise to deliver:
- Dual-Standard Compliance: ASME + EN 10204 3.1 Certification.
- Corrosion Solutions: Optional FBE/3PE coatings for harsh environments (or upgrade to our Stainless Steel Round Tubes for severe corrosion).
- One-Stop Steel Supply: From Grouting Steel Pipes for tunneling to Hollow Grouting Anchors for mining – all quality-controlled under ISO 9001.
Export-Ready Packaging: VCI film + wooden crates for overseas corrosion protection. Global Logistics: FOB/CIF support to EU, MENA, ASEAN & Americas.

