Specification for Cryogenic Liquid Tank Car Tanks and Seamless Steel Tanks (Classes DOT-113 and 107A)

  1. Law
  2. CFR 49
  3. Transportation
  4. Other Regulations Relating to Transportation
  5. Pipeline and Hazardous Materials Safety Administration, Department of Transportation
  6. Hazardous Materials Regulations
  7. Specifications for Tank Cars
  8. Specification for Cryogenic Liquid Tank Car Tanks and Seamless Steel Tanks (Classes DOT-113 and 107A)

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Section
179.400

General specification applicable to cryogenic liquid tank car tanks.

Section
179.400-1

General.

Section
179.400-3

Type.

Section
179.400-4

Insulation system and performance standard.

Section
179.400-5

Materials.

Section
179.400-6

Bursting and buckling pressure.

Section
179.400-7

Tank heads.

Section
179.400-8

Thickness of plates.

Section
179.400-9

Stiffening rings.

Section
179.400-10

Sump or siphon bowl.

Section
179.400-11

Welding.

Section
179.400-12

Postweld heat treatment.

Section
179.400-13

Support system for inner tank.

Section
179.400-14

Cleaning of inner tank.

Section
179.400-15

Radioscopy.

Section
179.400-16

Access to inner tank.

Section
179.400-17

Inner tank piping.

Section
179.400-18

Test of inner tank.

Section
179.400-19

Valves and gages.

Section
179.400-20

Pressure relief devices.

Section
179.400-21

Test of pressure relief valves.

Section
179.400-22

Protective housings.

Section
179.400-23

Operating instructions.

Section
179.400-24

Stamping.

Section
179.400-25

Stenciling.

Section
179.400-26

Approval to operate at 286,000 gross rail load (GRL).

Section
179.401

Individual specification requirements applicable to inner tanks for cryogenic liquid tank car tanks.

Section
179.401-1

Individual specification requirements.

Section
179.500

Specification DOT-107A * * * * seamless steel tank car tanks.

Section
179.500-1

Tanks built under these specifications shall meet the requirements of § 179.500.

Section
179.500-3

Type and general requirements.

Section
179.500-4

Thickness of wall.

Section
179.500-5

Material.

Section
179.500-6

Heat treatment.

Section
179.500-7

Physical tests.

Section
179.500-8

Openings in tanks.

Section
179.500-10

Protective housing.

Section
179.500-11

Loading and unloading valves.

Section
179.500-12

Pressure relief devices.

Section
179.500-13

Fixtures.

Section
179.500-14

Test of tanks.

Section
179.500-15

Handling of tanks failing in tests.

Section
179.500-16

Tests of pressure relief devices.

Section
179.500-17

Marking.

Section
179.500-18

Inspection and reports.