Chemical & Process Equipment Steel & Alloy Solutions | Xinwu

Steel & Alloy Supply for Chemical & Process Equipment

Pressure vessel steel, stainless steel and specialty alloys—supplied for chemical processing, high-pressure equipment and demanding corrosion environments.

Application Environments

Our steel and alloy materials support chemical reactors, pressure vessels, heat exchangers, distillation columns, acid and alkali storage tanks, process piping, flue gas desulfurization systems, pickling equipment, seawater desalination facilities, fine chemical production lines and petrochemical intermediate processing units. These applications operate under demanding conditions involving acidic and alkaline media, salt solutions, chloride corrosion, elevated temperatures, high pressure and cyclic loads, requiring reliable corrosion resistance, high-temperature strength, weldability and material inspection compliance.

Challenge Vs. How We Solve It

Pain Points

Chemical process equipment is exposed to widely varying corrosive media. Conventional stainless steel may suffer from pitting or intergranular corrosion under unsuitable conditions. Incorrect material selection can lead to equipment leakage, production shutdowns and serious safety risks.

How We Solve It

Match materials to the actual process medium and operating conditions, from austenitic and duplex stainless steel to Inconel, Hastelloy and Monel alloys, helping buyers select suitable materials for chloride-rich environments, aggressive acids, seawater and high-temperature chemical processes.

Pain Points

Pressure vessel materials must meet strict ASME or EN requirements. Ultrasonic inspection, heat treatment records and complete material traceability are essential, while factory audits and third-party inspections create additional procurement challenges.

How We Solve It

Supply pressure vessel materials according to the specified standards and coordinate applicable ultrasonic testing, heat treatment records and material documentation to support equipment fabrication, third-party inspection and project acceptance.

Pain Points

Specialty alloys such as duplex stainless steel, Hastelloy, Inconel and Monel often involve longer procurement cycles and higher material costs. Overseas projects may also require small trial quantities followed by staged bulk deliveries.

How We Solve It

Consolidate specialty alloy procurement across plates, seamless pipes and bars, while coordinating material specifications, trial quantities and phased supply requirements according to project needs.

Pain Points

Chemical equipment requires reliable welding, bending and forming performance. Many components also need pre-processing, beveling, solution annealing or pickling, while scratches, lamination and porosity can compromise fabrication quality.

How We Solve It

Match materials to their fabrication requirements, including drawing-based plate cutting, bevel preparation, solution-annealed and pickled surfaces, and applicable PT or UT inspection to support welding, forming and equipment manufacturing.

Pain Points

Overseas chemical EPC projects commonly specify American or European standards. Material grades, test methods and welding consumables must be properly matched, while complete documentation is required for owner and supervision reviews.

How We Solve It

Coordinate material selection against the specified ASME, EN or ASTM requirements, including corresponding grades, inspection requirements and documentation needs, helping procurement teams prepare materials for owner review and EPC project acceptance.

Recommended Products For Chemical & Process Equipment

Steel and alloy materials matched to pressure-bearing equipment, chemical processing systems, heat exchangers and highly corrosive operating environments.

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Pressure Vessel Steel Plate

Pressure vessel steel plate for chemical reactor shells, storage tanks, heat exchanger tube sheets and pressure-bearing components requiring reliable strength, toughness and fabrication performance.

Common Dimensions

Thickness: 6–120 mm
Width: 1500 / 1800 / 2000 / 2500 mm
Length: 6000–12000 mm
Processing: Drawing-based cutting and bevel preparation

Surface & Performance: Hot-rolled and finished surface, with ultrasonic testing (UT) available. Provides high-temperature strength, impact toughness and resistance to temper embrittlement. Suitable for plate rolling, welding and post-weld heat treatment to meet pressure equipment fabrication requirements.

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Stainless & Super Austenitic Steel

Austenitic and super austenitic stainless steel plate, seamless pipe and bar for chemical storage tanks, heat exchangers, acid and alkali process piping, and flue gas treatment systems.

Common Dimensions

Plate Thickness: 2–80 mm
Seamless Pipe OD: Φ12.7–426 mm
Bar Diameter: Φ10–200 mm
Surface & Performance: Solution-annealed and pickled surface. Provides resistance to intergranular corrosion and pitting, with PT and UT inspection available. Suitable for welding and forming applications involving weak acids, neutral salts and conventional chemical processing media.

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Duplex Stainless Steel

High-strength duplex stainless steel plate, seamless pipe and bar for seawater systems, chloride-rich environments, flue gas desulfurization and brine processing equipment.

Common Dimensions

Plate Thickness: 3–60 mm
Seamless Pipe OD: Φ16–325 mm
Bar Diameter: Φ12–180 mm
Surface & Performance: Solution-annealed and pickled surface. Combines high mechanical strength with excellent resistance to chloride-induced pitting and stress corrosion cracking. Offers higher strength than conventional austenitic stainless steel and is suitable for seawater, brine and chloride-containing process media.

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Inconel Nickel Alloy

Nickel-based alloy plate, seamless pipe and bar for high-temperature chemical reactors, oxidation-intensive processes, incineration equipment and catalytic processing systems.

Common Dimensions

Diameter: Φ8mm ~ Φ60mm
Common Structures: 6×19, 6×37, 18×7, 35×7
Processing: Customized cutting available
Surface & Performance: Provides high tensile strength, fatigue resistance and repeated bending impact resistance. Galvanized options improve corrosion resistance in humid underground environments. Breaking load test reports are available.

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Hastelloy Alloy

Corrosion-resistant Hastelloy plate, seamless pipe and bar for strongly reducing acids, chloride-containing environments, flue gas scrubbers and highly corrosive fine chemical processes.

Common Dimensions

Plate Thickness: 2–40 mm
Seamless Pipe OD: Φ16–219 mm
Bar Diameter: Φ12–150 mm
Surface & Performance: Pickled and finished surface. Provides resistance to hydrochloric acid, wet chlorine gas and strongly reducing corrosive media. Commonly used in acid pickling equipment, exhaust gas desulfurization systems and highly corrosive stages of fine chemical production.

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Monel Alloy

Nickel-copper alloy plate, seamless pipe and bar for hydrofluoric acid processing, seawater heat exchangers and oil and gas desulfurization equipment.

Common Dimensions

Plate Thickness: 2–35 mm
Seamless Pipe OD: Φ16–219 mm
Bar Diameter: Φ10–140 mm
Surface & Performance: Nickel-copper alloy with resistance to hydrofluoric acid and seawater erosion-corrosion. The supplied material description also specifies non-magnetic performance. Suitable for HF processing, seawater heat exchange and oil and gas process components.

Applicable Standards & Main Grades

Product Category Applicable Standards Main Grades / Material Grades
Pressure Vessel Steel Plate ASME SA516; ASME SA387; EN 10028 SA516 Gr60, SA516 Gr70, SA387 Gr11, SA387 Gr22, P265GH, P355GH, 16Mo3, 13CrMo44
Stainless & Super Austenitic Steel ASTM A240; ASTM A312; ASTM A276 304, 304L, 316L, 317L, 904L
Duplex Stainless Steel ASTM A240; ASTM A789 S32205 (2205), S31803, S32750 (2507)
Inconel Nickel Alloy ASTM B409; ASTM B444 Inconel 600, 601, 625, 718
Hastelloy Alloy ASTM B575; ASTM B619 Hastelloy C276, C22, B2
Monel Alloy ASTM B127; ASTM B165 Monel 400, K500

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