316 Stainless Hollow Tubing

304 Stainless Commercial Tubing

Generally known as hollow bar, 304 / 304L seamless mechanical tubing is generally used for mechanical and machining applications.

SKU Description Manufacture Method OD Wall Specification
37278 SMLS 304 A-511 1-3/8 X .250 WA SEAMLESS & DRAWN 1.3750 0.2500 ASTM A511 AMS5639
37277 SMLS 304 A-511 1-3/8 X .188 WA SEAMLESS & DRAWN 1.3750 0.1880 ASTM A511 AMS5639
37477 SMLS 304/L A-511 1-3/4 X .375 WA SEAMLESS & DRAWN 1.7500 0.3750 ASTM A511 AMS5639
37475 SMLS 304 A-511 1-3/4 X .250 WA SEAMLESS & DRAWN 1.7500 0.2500 ASTM A511 AMS5639
37473 SMLS 304/L A-511 1-3/4 X .188 WA SEAMLESS & DRAWN 1.7500 0.1880 ASTM A511 AMS5639
37638 SMLS 304 A-511 2-1/8 OD X .375 WA SEAMLESS & DRAWN 2.1250 0.3750 ASTM A511 AMS5639
37636 SMLS 304/304L A-511 2-1/8 X .250WA SEAMLESS & DRAWN 2.1250 0.2500 ASTM A511 AMS5639
37635 SMLS 304/304L A-511 2-1/8ODX.188WA SEAMLESS & DRAWN 2.1250 0.1880 ASTM A511
37254 SMLS 304 A-511 1-1/4 X .375 WA SEAMLESS & DRAWN 1.2500 0.3750 ASTM A511 AMS5639
37251 SMLS 304/L A-511 1-1/4 X .250 WA SEAMLESS & DRAWN 1.2500 0.2500 ASTM A511 AMS5639

Stock Size Range:

  • OD: 1.250" OD through 9" OD
  • Walls: .188" wall through 1.00" wall
  • Specifications: ASTM A511, ASTM A269, AMS 5639 Chemistry only
304304L
Typical Chemical Requirements:
Carbon Max 0.08 0.035
Manganese Max 2.00 2.00
Phosphorous Max 0.040 0.040
Sulfur Max 0.030 0.030
Silicon Max 1.0000 1.00
Chromium Range 18.0-20.0 18.0-20.0
Nickel Range 8.0-11.0 8.0-13.0
Mechanical Properties
Tensile Strength Min 75 ksi 75 ksi
Yield Strength Min 30 ksi 30 ksi
Elongation Min in 2" 35% 35%