Pipe

Conforms to: ASTM A53

Mechanical Properties:

Chemistry: Per ASTM A53

Composition, max. %
	Carbon	Manganese	Phosphorus	Sulfur	Copper	Nickel	Chromium	Molybdenum	Vanadium
Type S (seamless pipe)
Grade A	0.25	0.95	0.05	0.045	0.040	0.040	0.040	0.15	0.08
Grade B	0.30	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08
Composition, max. %
	Carbon	Manganese	Phosphorus	Sulfur	Copper	Nickel	Chromium	Molybdenum	Vanadium
Type E (electric-resistance-welded)
Grade A	0.25	0.95	0.05	0.045	0.040	0.040	0.040	0.15	0.08
Grade B	0.30	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08
Composition, max. %
	Carbon	Manganese	Phosphorus	Sulfur	Copper	Nickel	Chromium	Molybdenum	Vanadium
Type F (furnace-welded pipe)
Grade A	0.30	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08

Permissible Variations in Dimensions:

Diameter- For pipe NPS 1-1/2 [DN 40] & under, the outside diameter at any point shall not vary more than +-1/64 in.[0.4mm] from the standard specified. For pipe NPS 2 [DN 50] & over, the outside diameter shall not vary more than +- 1% from the standard specified.

Thickness- The minimum wall thickness at any point shall be not more than 12.5% under the nominal wall thickness specified.

The minimum wall thickness on inspection shall conform to the requirements.