Seamless Steel Pipe

High-quality seamless carbon steel pipes compliant with DIN 17175, JIS G4051, API 5L, and ASTM standards. Available in diameters from 6mm to 2400mm with wall thicknesses from 1mm to 120mm. Ideal for fluid transportation, boiler systems, petroleum, chemical, and electric industries. Multiple surface treatments and custom lengths available.

High-precision cold drawn seamless steel pipes manufactured to DIN2391 standards with diameters from 15mm to 1626mm and wall thicknesses from 2mm to 30mm. Available in multiple grades including St35, St45, St37.0 with various surface treatments. Ideal for industrial applications in petroleum, chemical, and construction sectors with competitive pricing and custom manufacturing options.

DIN 2391 ST35 cold drawn seamless steel pipes with black annealed finish. Available in round, square, and rectangular shapes with wall thickness 0.3-2.0mm and lengths 5.8-12m. Features smooth surface, accurate roundness, and higher expansion rate. Ideal for exhaust systems, construction, and industrial applications. Minimum order 10 tons with 10-15 day delivery.

High-quality hot dip galvanized scaffolding steel pipes manufactured to ASTM A53 and BS1139 standards. Available in diameters 6-820mm with wall thickness 1-100mm. Features ISO9001:2008 certification, competitive pricing, and custom sizing options. Ideal for petroleum, construction, and industrial applications with efficient shipping options.

High-quality ASTM A53 Gr.B ERW carbon steel pipes with 16-200mm outer diameter and 0.5-12mm wall thickness. Certified to ASTM, JIS, DIN, and GB standards, these Schedule 40 pipes are ideal for oil and gas transportation, structural applications, and mechanical components. Available in various surface treatments and custom lengths with ISO, API, and SGS certifications.

High-quality ASTM A106 Gr.B seamless carbon steel pipes available in sizes 3-200mm with thickness options from 0.3-200mm. Features black painted or PE coated surfaces, compliance with international standards including DIN, GB, ISO, JIS, and ASTM. Also offers stainless steel hollow bars in 304/304L, 316/316L, and 310s/321 grades with various size configurations and MOQ requirements.

Precision-manufactured ASTM A312 TP316L stainless steel seamless pipes available in diameters from 1/8" to 24" with wall thickness 0.5-40mm. Features corrosion resistance, 70 ksi tensile strength, and ISO9001 certification. Custom cutting, threading, and polishing available with 7-day delivery and global export to 60+ countries.

High-strength SA106 GR B seamless steel tubing with 21.3-609.6mm diameter range, ideal for water treatment systems, oil pipelines, and industrial infrastructure. Features hot piercing and extrusion processing, ±1% tolerance, and multiple surface treatment options including galvanized and 3PE coating for corrosion resistance.

Cold drawn carbon seamless steel pipe per DIN2391 St45. Offers high precision, durability, and efficiency. Suitable for hydraulic, automotive, and mechanical systems. Custom sizes and certifications available.

High-strength square steel pipe, 100x100x5mm, ASTM A500 Grade B. ERW welded, hot rolled or cold rolled. Available in pre-galvanized, hot-dipped galvanized, or black finish. Custom lengths up to 12m. Ideal for structural, construction, and industrial applications.

High-quality seamless steel pipe in carbon and alloy grades, meeting ASTM A106, A53, A516 standards. Durable, efficient, and customizable in size and length. Ideal for industrial applications with reliable performance and competitive pricing.

High-quality cold-rolled seamless pipe for boilers and heat exchangers. Meets ASTM/ASME SA179 SA192 standards. Features defect-free surface, good mechanical properties, and custom production per drawings. Reliable for demanding industrial applications.

High pressure boiler seamless steel pipe in grades SA106, SA192, SA210, SA213, SA335. Sizes from 10mm to 1067mm. Certified for water wall panels, superheaters, and steam pipelines. Custom lengths, anti-corrosion coating, and full inspection available.

High-strength AISI 4140 seamless alloy steel pipe in Sch40 and Sch80. Hot rolled thick wall construction ensures durability for high-pressure applications. Ideal for petroleum, boiler, and chemical industries. Custom sizes available with fast delivery.

High fatigue strength and impact resistance. Chromium-molybdenum alloy steel pipe for petroleum, chemical, and machinery. API and ISO certified. Custom ends, surface, and OEM available.

High-quality seamless steel pipe in sizes DN6-DN600 with SCH40 and SCH80 wall thickness. Meets ASTM, GB, JIS, and DIN standards. Ideal for oil, gas, construction, and industrial applications. Durable, customizable, and rigorously tested for quality assurance.

High-quality carbon steel seamless pipe, 10-610mm OD, 5-18mm wall. Certified API 5L, DNV, ISO. Ideal for oil, gas, construction. Custom options available. 15-25 day delivery.

High-quality ASTM A335 P11 seamless alloy steel pipe, DN30 size. Features 415MPa tensile strength and 205MPa yield strength. Suitable for high-temperature services. Customizable surface treatment and packing. Passes hydrostatic and non-destructive tests.

High strength, ductile, and weldable SAE 1020 seamless steel pipe. Ideal for mechanical applications. Available in 10-76mm OD, 1-8mm wall. Custom lengths and end finishes. Oil-coated for corrosion resistance.

High-pressure seamless carbon steel pipe, ASTM A106 Grade B, 4" Sch 80. Ideal for boilers and industrial applications. Durable, weldable, and certified to ISO 9001. Custom sizes available.