STEELFLANGE

Industries We Supply

Forged, Plate, or Custom for Every Sector

Steel flanges supplied across twelve core industries. From A105 carbon forgings to F91 chrome-moly, AWWA plate-cut to 203 inch custom diameter. Forged or plate, we cover the full production path that each sector actually buys.

Energy Sector

Oil & Gas

Pipeline mainline in MSS SP-44 A694 high yield, refinery process piping in A105 with F11 and F22 chrome-moly, NACE MR0175 sour service.

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Process Industry

Petrochemical

Reactors, distillation columns, and transfer piping. A105 standard, F22 and F91 for high temperature, F304L and F316L stainless for corrosion.

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Utility Sector

Power Generation

Main steam in F22 and F91 grade 91 for supercritical, boiler feedwater in A105 and A350 LF2, plate-cut AWWA C207 for cooling water.

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Municipal Sector

Water & Wastewater

AWWA C207 plate-cut Class B, D, E, and F. Class 125LW lightweight steel. SA-516 Gr.70 and A36 plate to 144 inch diameter.

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Process Industry

Chemical Processing

Stainless 304 and 316L baseline. Hastelloy and Monel for severe duty. Duplex 2205 for chloride service. Lined flanges for aggressive media.

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Heavy Industry

Mining & Minerals

Slurry lines in A516-70 carbon with replaceable wear plates, tailings transfer, dewatering, and mineral process water service.

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Process Industry

Pulp & Paper

Bleach plant chloride service in duplex 2205 and super duplex 2507. Recovery boilers, white liquor, and black liquor lines.

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Sanitary Process

Food & Beverage

316L stainless with sanitary finishes. CIP compatible. Lower pressure with strict purity requirements and full documentation.

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Ag & Irrigation

Agriculture

Plate-cut AWWA flanges for large diameter irrigation. Fertilizer transfer. Anhydrous ammonia in stainless where carbon is not permitted.

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Building Systems

HVAC & Mechanical

Chilled water on AWWA-style plate-cut for cost efficiency. ASME B16.5 Class 150 and 300 for process loops. SA-516 plate common.

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Marine Sector

Marine & Shipbuilding

Saltwater service in Monel 400, copper-nickel 90/10, super duplex. F304L and F316L stainless. ABS, USCG, and ABYC compliant packages.

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Critical Facilities

Data Centers

Chilled water cooling loops dominant. Plate-cut lightweight flanges. CRAH and CRAC system piping. Standard ASME B16.5 Class 150 common.

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Why This Resource

Forged and Plate Under One Roof

Both Production Paths

Forged flanges in A105 carbon, A350 LF2 low temperature, and the full chrome-moly and stainless range. Plate-cut flanges from SA-516 Gr.70 and A36 to 203 inch custom diameter on AWWA and ASME patterns.

Code and Standard Fluency

ASME B16.5, B16.47, AWWA C207, MSS SP-44, and the lightweight ANSI B16.1 cast iron pattern. NACE MR0175 sour service. We match the spec on the drawing without translation errors.

Material Traceability

Mill test reports, heat numbers, and PMI on demand. Sour service certification, low temperature impact testing, and positive material identification handled as routine.

Tell Us Your Service Conditions

Pressure, temperature, media, and code. Send the line list and we will return a quote with the right grade and production path for your industry.

PO Box 2889, Pearland TX 77588