EN 10216-5 D4 T3 Plain End 304H Stainless Steel Seamless Pipe

EN 10216-5 D4 T3 Plain End 304H Stainless Steel Seamless Pipe

Why Choose MTSCO as Your Pipe Partner?

MTSCO is a specialized industrial piping factory consortium supplier. Our seamless pipe business is anchored by our strategic investment in HUXIN PIPE, a specialized factory with 35 years of manufacturing expertise. As HUXIN PIPE's exclusive international sales center, we connect directly to HUXIN's production lines, enabling us to offer more cost-effective pricing and stable supply assurance. MTSCO is committed to delivering rigorously certified, premium-quality seamless pipes to engineering projects worldwide. From standard products to customized solutions, we meet your requirements.

Engineered for Heat: The 304H Advantage

The D4 T3 grade specified in EN 10216-5 corresponds to AISI 304H stainless steel. This high-carbon austenitic stainless steel exhibits superior creep resistance at elevated temperatures due to its elevated carbon content, making it ideal for high-temperature, high-pressure systems such as boilers, superheaters, and heat exchangers. It also maintains excellent oxidation resistance and overall corrosion resistance.

MTSCO's D4 T3 seamless pipes undergo strict solution heat treatment (T3 condition) per standards, ensuring stable performance in high-temperature applications. Our raw materials originate from renowned manufacturers like Baosteel and TSINGSHAN, guaranteeing material purity from the source.

Our Quality Promise

MTSCO implements a 3 inspection process to ensure the quality of every seamless pipe.

l First, secondary inspection of raw materials. All billets originate from major steel mills, with material certificates required for each batch. Upon arrival, we conduct additional verification tests including PMI test.

l Second, full traceability throughout production. Each manufacturing stage is supervised by experienced engineers and documented by professional QC personnel to ensure process accuracy.

l Finally, 100% inspection prior to shipment. Our QC team conducts comprehensive checks on finished products, including appearance, dimensions, PMI, and performs necessary non-destructive testing. We also support third-party inspections by SGS, BV, and others.

This end-to-end quality control system, combined with HUXIN PIPE's advanced testing equipment, forms the core foundation of MTSCO's “SAFE” commitment, ensuring worry-free procurement.

Key Specifications at a Glance

Safe Delivery, Guaranteed

FAQ

Q1: What is the equivalent grade of EN 10216-5 D4 T3 in American standards?

A1: It is approximately equivalent to ASTM A312 304H stainless steel. D4 T3 is specifically designed for high-temperature applications, featuring higher carbon content than standard 304 to ensure high-temperature strength.

Q2: How are the pipes protected against corrosion and packaged?

A2: After acid pickling and passivation, plastic caps are applied to both pipe ends to prevent impact damage. They are then packaged in woven bags or wooden crates to ensure safe delivery during long-distance ocean shipping.

Q3: Can special dimensions and materials be customized?

A3: Yes. Our close collaboration with our holding factory enables high flexibility. Whether it's special wall thicknesses, non-standard dimensions, or high-performance alloy materials, we can provide customized production solutions.