304 / 304L Stainless Steel Pipe

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 of stainless steel pipe exhibit good machinability and have excellent weld-ability characteristics with or without the addition of filler metals.

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Specification
Schedule
Pipe Size
Manufacture Method
Alloy Grade
Wall

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SKU Description Manufacture Method Schedule Pipe Size Specification
Sku: 38394 Description: W 304/304L A-312 1/8 SCH 40 Manufacture Method: WELDED & DRAWN Schedule: 40 Pipe Size: 0.125 Specification: ASTM A312 ASME SA312
Sku: 38411 Description: W 304/304L A-312 1/4 SCH 80 Manufacture Method: WELDED & DRAWN Schedule: 80 Pipe Size: 0.25 Specification: ASTM A312 ASME SA312
Sku: 38412 Description: SMLS 304/L A-312 1/4 SCH 80 Manufacture Method: SEAMLESS & DRAWN Schedule: 80 Pipe Size: 0.25 Specification: ASME SA312 ASTM A262
Sku: 38402 Description: W 304/304L A-312 1/4 SCH 40 Manufacture Method: WELDED & DRAWN Schedule: 40 Pipe Size: 0.25 Specification: ASTM A312 ASME SA312
Sku: 38405 Description: SMLS 304/L A-312 1/4 SCH 40 Manufacture Method: SEAMLESS & DRAWN Schedule: 40 Pipe Size: 0.25 Specification: ASME SA312 ASTM A262
Sku: 38401 Description: W 304/304L A-312 1/4 SCH 10 Manufacture Method: WELDED & DRAWN Schedule: 10 Pipe Size: 0.25 Specification: ASTM A312 ASME SA312
Sku: 38428 Description: W 304/304L A-312 3/8 SCH 80 Manufacture Method: WELDED & DRAWN Schedule: 80 Pipe Size: 0.375 Specification: ASTM A312 ASME SA312
Sku: 38429 Description: SMLS 304/L A-312 3/8 SCH 80 Manufacture Method: SEAMLESS & DRAWN Schedule: 80 Pipe Size: 0.375 Specification: ASME SA312 ASTM A262
Sku: 38418 Description: W 304/304L A-312 3/8 SCH 40 Manufacture Method: WELDED & DRAWN Schedule: 40 Pipe Size: 0.375 Specification: ASTM A312 ASME SA312
Sku: 38416 Description: W 304/304L A-312 3/8 SCH 10 Manufacture Method: WELDED & DRAWN Schedule: 10 Pipe Size: 0.375 Specification: ASTM A312 ASME SA312

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Stock Size Range and Specifications:

Welded product

Seamless product

MPS1/8" through 24"
NPS1/8" through 12"
Schedules5, 10, 10S, 20, 30, 40, 40S, 80, 80S
Schedules5, 10, 40, 80, 160, XXH
Specifications: ASTM A312, ASME SA312 Specifications: ASTM A312,ASME SA312

Corrosion tested to MIL-P-24691/3 or A262 Practice E

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 .035 2.00 .045 .030 1.00 18.0-20.0 8.0-13.0
Typical Mechanical Properties
GradeTensile
 Ultimate/MinYield/MinElongation/Min
  KSI MPA KSI MPA %
304 75 515 30 205 35
304L 70 485 25 170 35