Our high-performance Carbon Steel Pipe Fittings are engineered to meet the most rigorous industrial standards, providing unmatched structural integrity for complex piping systems. Available in a comprehensive range of seamless and welded options, these fittings are designed for high-pressure environments, ensuring leak-proof connections and long-term durability in challenging operational conditions.
Utilizing premium ASTM A234 WPB/WPC and other certified alloy steels, our products serve as critical components in the petroleum, chemical, and power sectors. With a manufacturing legacy since 1997 and a commitment to ISO9001 quality management, we deliver precision-engineered elbows, tees, and reducers that optimize flow efficiency and withstand extreme thermal and mechanical stress.
Detailed Parameters
| Material Grade | ASTM A234 WPB/WPC, Q235, A403 WP (304/316), Alloy Steel WP1-WP91 | Applicable Standards | ASTM B16.9, B16.28, JIS B2311, DIN 2605, EN10253, GB, GOST |
|---|---|---|---|
| Available Models | Tee (Equal/Reducing), Elbow (45/90/180°), Reducer (Concentric/Eccentric), Cap | Connection Type | Butt-Welding |
| Manufacturing Type | Seamless or Seam Welded | Wall Thickness | Sch 5S to Sch 160, STD, XS, XXS |
| Size Range | 1/2” – 48” (DN15 - DN1200) | Surface Treatment | Black Paint, Anti-rust Oil, Hot-dipped Galvanized |
| Certification | ISO9001, CIQ, ITS, SGS, BV, CCIC | Industrial Application | Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding |
Key Advantages
Extreme Durability
Constructed from high-grade carbon and alloy steels to withstand high-pressure and corrosive environments.
Rapid Lead Times
Efficient production cycles with shipment typically within 30 days after receiving deposit.
Global Compliance
Fully compliant with ASTM, JIS, DIN, and BS standards for international project acceptance.
Custom Fabrication
Capability to manufacture based on specific customer drawings and unique design requirements.
Strict Quality Control
Certified by SGS, BV, and ISO9001 to ensure zero-defect delivery and structural reliability.
Flexible Branding
OEM services available with customizable branding for bulk orders exceeding 10 tons.
Product Gallery
Management Platforms
Supply Chain Mastery
Annual sales of 150-200 containers ensuring stable inventory and logistics flow.
Technical Expertise
Supported by 20 senior engineers and 50 technicians for precision manufacturing.
Quality Assurance
Comprehensive refund policy for quality defects found within six months.
Export Capability
70% export ratio with deep market penetration in USA, Russia, and Canada.
Secure Packaging
Custom packing in cartons, wooden cases, or pallets based on size requirements.
Legacy Experience
Established in 1997 with over two decades of specialization in metal tools.
Investment Return Comparison
| Feature | Standard Fittings | SZ Premium Fittings |
|---|---|---|
| Material Purity | Basic Commercial Grade | Certified ASTM/ASME Grade |
| Service Life | Moderate | Extended High-Pressure Life |
| Installation | Standard Fit | High-Precision Welding Fit |
| Certification | Limited/Basic | Full ISO/SGS/BV Coverage |
| Maintenance Cost | Frequent Inspections | Low Maintenance/High Reliability |
Frequently Asked Questions
We offer a wide range of materials including ASTM A234 WPB, A234WPC, Q235, and 10#, as well as various alloy steels like WP1, WP11, and WP91 for specialized industrial needs.
Yes, our products are certified by globally recognized bodies including ISO9001, CIQ, ITS, SGS, BV, and CCIC to ensure quality and compliance in all target markets.
Absolutely. We welcome customers' drawings or designs and have a dedicated team of 20 senior engineers to ensure your custom specifications are met precisely.
Normal delivery time ranges from 30 to 45 days after receiving the deposit, depending on the quantity and complexity of the specifications.
We provide three main surface treatments: Black Paint, Anti-rust oil, and Hot-dipped galvanizing to protect the fittings from environmental degradation.
We offer a robust after-sales service: if any product quality defect is found within half a year of purchase, we provide a full refund for the defective item.
