Stacks of heavy carbon and alloy steel plate in the warehouse lay-down area under yellow overhead cranes
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American Alloy Steel

Houston, TXSince 197111 locationsISO 9001:2015aasteel.com
Photo: aasteel.com

Get prices and lead times from American Alloy Steel

What you can buy

  • Hot-rolled

  • High-strength steel

  • Cut-to-length sheet
  • Plate
  • Laser & plasma-cut parts

Sizes

Plate grades stocked
PVQ (SA-516 incl. HIC-tested, SA-285, SA-387 Gr 11/22/5/9/91, SA-537, SA-517, SA-204, SA-203), offshore (API 2H 50, API 2W, API 2Y 60), shipbuilding (AH/DH/EH 36/40, A131), structural (A572, A588, A709, A514, A633, A656, A36, CSA G40.21 50WT), abrasion-resistant (AR400–AR500) and HY-80/100 military plate
Round and flat bar
PVQ-equivalent bar grades including A105, A350 LF-2, A675, A696 and A182 F-5/F-11/F-22/F-91 for bolting, valve bodies, gasket rings and machined parts
Plate cutting
CNC oxy-fuel cutting up to 12" thick from customer CAD files or a library of standard shapes; high-definition plasma for tighter tolerances; straight, radius and contour beveling
Sawing and shearing
Production saw cutting of round bar up to 24" diameter, saw cutting of flat plate, shear and gauer processing
Plate rolling and heavy fabrication
Cold rolling to 5" thick and hot rolling to 8" thick; cylinders from 24" ID and up to 168" long per course; ten dual-wire submerged-arc welding stations; normalizing and stress-relieving furnaces; carbon, Cr-Mo, stainless, HSLA and clad plate
Testing
Hardness, ultrasonic (SA435/SA578/SA577), PMI, Charpy impact, simulated PWHT, tensile and through-thickness, HIC, SOHIC, SSC, step cooling, drop weight, heat treatment, and third-party witness inspection
Warehouse space
Over 500,000 sq ft of warehouse space on roughly 50 acres across its stocking locations; 100% Mill Test Report traceability on inventory
Export and emergency service
Sources forgings, flanges, fittings, pipe and structural shapes for export; 24/7 emergency service line

About American Alloy Steel

American Alloy Steel

American Alloy Steel is a specialty carbon and alloy steel plate and bar distributor headquartered in Houston, Texas, founded in 1971 as the first service center to stock pressure vessel quality (PVQ) plate. It stocks PVQ, sour-service, offshore, shipbuilding, structural, abrasion-resistant and military-grade plate plus round and flat bar at warehouses in Texas, Oklahoma, New York and Utah, and offers oxy-fuel and plasma cutting, sawing, testing, and plate rolling and heavy fabrication.

Processing
Shearing, Plasma cutting, Sawing, Warehousing
Industries served
Refining and petrochemical, Pressure vessels and heat exchangers, Power generation and utilities, Offshore construction, Shipbuilding and repair, Bridge and building construction, Military and naval, Mining, Cement
Certifications
ISO 9001:2015, ASME U, U2 and S stamps (plate rolling and fabrication), PED (plate rolling and fabrication)
Ownership
Subsidiary of Reliance, Inc.

Locations

  • Houston, TX

    Headquarters

  • Tulsa, OK

    Warehouse

  • Rome, NY

    Warehouse

  • Ogden, UT

    Warehouse

  • Mobile, AL

    Sales office

  • Denver, CO

    Sales office

  • Twinsburg, OH

    Sales office

  • Miami, FL

    International sales office

  • Cambridge, ON

    Sales office

  • Repentigny, QC

    Sales office

  • Monterrey, NL, MX

    Sales office

Photos

In the news

Prices and lead times from American Alloy Steel, without the phone tag.