ASTM A312 Welded Stainless Steel Tube,TIG SS Pipe Grade 304 304L
Processing for Stainless Steel Welded Pipe
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Long Product Processing Services Overview
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Bar & Structural Cutting
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Products cut include Round Bar, Flat bar, Hex bar, Square bar, Tubing and Hollow Bar, Pipe, Angles, channels, Beams and Tees. Thickness range is 1/16″ to 28″ diameter
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Production Cutting
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Penn Stainless can provide production cutting for product diameters up to 4″. We utilize Amanda Production Equipment to achieve these precision cuts with tight tolerances.
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Pipe Threading
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Available thru 2″ in Diameter/All schedules
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Tubular Polishing
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Products polished included all tubular products, with OD & ID polishing available, Round Bar, Square Bar, Hex & Flat bar, Angles, Uneven Leg Angles, beams, and other shapes.
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SPEZILLA supplies welded pipe, per ASTM A 312, ASTM A 358 or as rolled and welded. We supply common grades of stainless such as 304/304L and 316/316L in standard pipe sizes and schedules including Sch 5, Sch 10, Sch 40s and Sch 80s. We also supply more challenging stainless welded pipe requirements including 304H, 316H, 309/S, 310/S, 317/L, 321/H, 347/H, 410, 410S, Duplex 2205, Duplex 2507 and many other grades of stainless, duplex or nickel alloys.
We can even supply material with wall thicknesses up to 3″ thick! Diameters sizes range from 1/8″ up to 96″. We specialize in quick delivery of non-standard welded pipe. We recently supplied a steel mill with 3 pieces of 11-1/2″ OD x .625″ Wall x 13’ Type 316/316L and delivered the product in 5 days to meet a shut-down requirement. All welded pipe products can be cut to size. Specialty testing, including X-ray, Hydro Testing and more can be supplied upon request.
Welded Stainless Steel Pipe Tolerances
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NPS Designator
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Permissible Variations in Outside Diameter
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Over In.
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Under In.
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1/8 to 1-1/2, incl
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1/64 (0.015)
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1/32 (0.031)
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Over 1-1/2 to 4, incl
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1/32 (0.031)
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1/32 (0.031)
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Over 4 to 8, incl
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1/16 (0.062)
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1/32 (0.031)
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Over 8 to 18, incl
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3/23 (0.093)
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1/32 (0.031)
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Nominal Wall Thickness:
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NPS Designator
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Outside Diameter in.
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Schedule 5S in.
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Schedule 10S in.
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Schedule 40S in.
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Schedule 80S in.
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1/4
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0.540
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0.065
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0.088
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0.119
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3/8
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0.675
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0.065
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0.091
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0.126
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1/2
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0.840
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0.065
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0.083
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0.109
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0.147
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3/4
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1.050
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0.065
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0.083
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0.113
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0.154
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1.0
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1.315
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0.065
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0.109
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0.133
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0.179
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1 1/4
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1.660
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0.065
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0.109
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0.140
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0.191
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1 1/2
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1.900
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0.065
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0.109
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0.145
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0.200
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2
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2.375
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0.065
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0.109
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0.154
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0.218
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2 1/2
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2.875
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0.083
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0.120
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0.203
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0.276
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3
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3.500
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0.083
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0.120
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0.216
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0.300
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3 1/2
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4.000
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0.083
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0.120
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0.226
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0.318
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4
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4.500
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0.083
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0.120
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0.237
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0.337
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5
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5.563
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0.109
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0.134
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0.258
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0.375
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6
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6.625
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0.109
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0.134
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0.280
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0.432
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8
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8.625
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0.109
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0.148
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0.322
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0.500
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10
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10.750
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0.134
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0.165
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0.365
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0.500
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12
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12.750
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0.156
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0.180
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0.375
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0.500
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