304 / 304L Stainless Instrumentation Tubing

These grades of austenitic stainless steels are the most versatile and widely used stainless steels. They exhibit excellent corrosion resistance to a wide range of corrosive environments. Type 304 and 304L grades exhibit good machinability and have excellent weld-ability characteristics with or without the addition of filler metals.

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OD
Wall

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SKU Description DFARS Manufacture Method OD Wall Specification
Sku: 36311 Description: SMLS CD 304/L A269 3/8 OD X .065 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0650 Specification: ASTM A269 19 ASTM A213 17
Sku: 36273 Description: SMLS CD 304/L A269 3/8 OD X .049 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0490 Specification: ASTM A269 19 ASTM A213 17
Sku: 36225 Description: SMLS CD 304/L A269 3/8 X .035 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0350 Specification: ASTM A269 19 ASTM A213 17
Sku: 25645 Description: SMLS CD 304/L A269 3/8 OD X .065 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0650 Specification: ASTM A269 19 ASTM A213 17
Sku: 25644 Description: SMLS CD 304/L A269 3/8 OD X .049 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0490 Specification: ASTM A269 19 ASTM A213 17
Sku: 21745 Description: SMLS CD 304/L A269 3/8 X .035 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.3750 Wall: 0.0350 Specification: ASTM A269 19 ASTM A213 17
Sku: 36532 Description: SMLS CD 304/L A269 1/2 OD X .065 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.5000 Wall: 0.0650 Specification: ASTM A269 19 ASTM A213 17
Sku: 36506 Description: SMLS CD 304/L A269 1/2 OD X .049 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.5000 Wall: 0.0490 Specification: ASTM A269 19 ASTM A213 17
Sku: 36449 Description: SMLS CD 304/L A269 1/2 OD X .035 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.5000 Wall: 0.0350 Specification: ASTM A269 19 ASTM A213 17
Sku: 25649 Description: SMLS CD 304/L A269 1/2 OD X .065 WA DFARS: Yes Manufacture Method: SEAMLESS & DRAWN OD: 0.5000 Wall: 0.0650 Specification: ASTM A269 19 ASTM A213 17

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Stock Size Range and Specifications:

Welded product

Seamless product

OD: 1/4" through 1/2"
OD: 1/4" through 1/2"
Wall: .035 through .065
Wall: .035 through .065
Specifications: ASTM A269, ASTM A249, ASME SA249
Specifications: ASTM A269, ASTM A213, ASME SA213

Typical Chemical Composition % (max values, unless noted)
Weight %CMnPSSiCrNi
304 .08 2.00 .045 .030 1.00 18.0-20.0 8.0-11.0
304L .030 2.00 .045 .030 1.00 18.0-20.0 8.0-12.0
Typical Mechanical Properties
GradeTensile
 UltimateYieldElongation
  KSI MPA KSI MPA %
304 75 515 30 205 35
304L 70 485 25 170 35