Products

Chemistry equipment stainless welded tubular

Our high-performance Chemical grade welded stainless steel tube solutions are engineered for demanding laboratory and processing environments where purity and corrosion resistance are non-negotiable. Built from premium austenitic alloys, these systems meet the rigorous requirements of Industrial stainless welded piping for chemistry, delivering consistent performance across a wide temperature range from cryogenic conditions to elevated heat cycles. Every Chemical process stainless steel welded pipe undergoes precision welding and downstream processing to minimize surface roughness and eliminate micro-crevices that could trap reactants. When selecting Chemistry field welded stainless tubing, facilities gain dependable structural integrity paired with exceptional resistance to pitting, chloride stress corrosion cracking, and intergranular attack, ensuring long service life even in aggressive acid or alkaline media.


Chemistry equipment stainless welded tubular products are manufactured to uphold the strictest dimensional tolerances and mechanical properties necessary for precision chemistry equipment. The longitudinal seam welding is performed with automated orbital TIG or laser techniques, producing homogeneous joints that mirror the base metal's strength and ductility. Post-weld heat treatment and bright annealing restore the passive layer while removing heat tint, critical for maintaining the ultra-clean surfaces demanded in high-purity reagent transport, chromatography setups, and reactor feed lines. This product range combines formability with structural toughness, allowing fabricators to bend, flange, or expand the tubing without compromising the weld zone. End connections can be customized with tri-clamp, compression, or butt-weld ends, aligning with major system standards across pharmaceutical, petrochemical, and specialty chemical industries. Below you will find detailed technical parameters that reflect our commitment to quality and reliability in every batch.

  • Material Grades: 304/304L, 316/316L, 321, 904L, 2205 Duplex, 254 SMO
  • Outer Diameter Range: 6 mm to 219 mm (1/4" to 8" nominal)
  • Wall Thickness: 0.5 mm to 8 mm (0.020" to 0.315")
  • Length Options: Straight lengths up to 6 meters; coiled lengths up to 300 meters for smaller diameters
  • Weld Seam: Fully penetrated orbital TIG or laser welded, bead controlled to ≤0.1 mm excess
  • Surface Finish: Polished ID/OD down to Ra 0.4 μm (15 μin) with electropolish option
  • Testing: 100% hydrostatic or pneumatic, eddy current, and radiographic upon request
  • Certifications: ASTM A269, ASTM A249, ASME SA-249, PED 2014/68/EU, ISO 1127
  • Marking: Continuous inkjet with heat number, size, material, and traceability code
Parameter Specification
Alloy Designation 316L / 1.4404
Yield Strength (Rp0.2%) ≥ 170 MPa (24.6 ksi)
Tensile Strength (Rm) ≥ 485 MPa (70.3 ksi)
Elongation (A%) ≥ 35%
Hardness ≤ 90 HRB
Maximum Service Temp. 450°C (842°F) intermittent; 870°C (1600°F) continuous for select grades
Corrosion Resistance (PREN) ≥ 24 (typical for 316L)
Quality Standard ISO 9001:2015; 3.1 material certificates per EN 10204

Hot Products

  • Stainless Steel Welded Pipe for Industrial Engineering

    Stainless Steel Welded Pipe for Industrial Engineering

    The Stainless Steel Welded Pipe for Industrial Engineering manufactured by SHIWANG PIPE supplier is made of high durability materials tailored for industrial engineering scenarios. It can handle the complex working conditions and frequent usage requirements in industrial production with ease. The material has undergone special processing to balance structural strength and anti-degradation capabilities, preventing the pipeline from being affected by issues such as pressure and medium erosion in industrial environments, thus ensuring its normal use for the laying and operation of various industrial engineering projects.
  • Metal Laser Cutting Engraving Services

    Metal Laser Cutting Engraving Services

    Shiwang Pipe provides professional Metal Laser Cutting Engraving Services with high precision and stable quality. Backed by Shandong Shiwang Pipe Co., Ltd., we offer custom laser cutting and engraving solutions for stainless steel, carbon steel, and alloy steel parts. Our service is ideal for OEM fabrication, prototype development, and bulk production, helping global buyers reduce cost, improve accuracy, and shorten delivery time.
  • Laser Cutting Bending Stamping Sheet Metal Parts

    Laser Cutting Bending Stamping Sheet Metal Parts

    Shiwang Pipe provides one-stop Laser Cutting Bending Stamping Sheet Metal Parts fabrication services with stable quality and high efficiency. As a factory-direct manufacturer of Shandong Shiwang Pipe Co., Ltd., we specialize in OEM and customized sheet metal parts for bulk orders and industrial projects. Our products are exported to North America, the Middle East, Southeast Asia, and Central Asia.
  • Stainless Steel Flange

    Stainless Steel Flange

    Stainless Steel Flanges from Shiwang Pipe are manufactured for reliable pipe connections in corrosive and high-pressure systems. Produced by Shandong Shiwang Pipe Co., Ltd., our flanges offer excellent sealing performance, stable mechanical strength, and long service life. As a professional stainless steel flange manufacturer and supplier in China, we support bulk orders, OEM customization, and global export.
  • Stainless Steel Elbow

    Stainless Steel Elbow

    Shiwang Pipe is a professional stainless steel elbow manufacturer and supplier in China. Shandong Shiwang Pipe Co., Ltd. provides factory direct stainless steel elbows with precise angles, smooth flow performance and stable quality for piping systems in oil, gas, chemical and water industries.
  • Small Diameter Carbon Steel Seamless Pipe

    Small Diameter Carbon Steel Seamless Pipe

    Shiwang Pipe is a professional small diameter carbon steel seamless pipe manufacturer and supplier. Shandong Shiwang Pipe Co., Ltd. offers factory price seamless pipes with precise dimensions, smooth inner surface and stable quality for bulk orders and OEM projects.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies.Privacy Policy