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Stratstan

Leading Stockist of Alloy Steel Pipes, Fittings and Flanges

Seamless alloy steel pipe

Prime European, Japanese, and North American manufacturers.
Fast despatch from stock.
Single random, double random or fixed lengths
Additional testing can be arranged, as required.

A333 Grade 3 Pipe 3.5% Nickel

ASTM/ASME A/SA 333 Grade 3 Pipe 3.5% Nickel

We stock seamless pipe 1/2" up to 18" for Low Temperature service and other other applications with required notch toughness.

Our range covers wall thicknesses s20 through to s160, STD (Standard), XS (Extra Strong) and XXS (Double Extra Strong). Availability determined by diameter.

All seamless pipe is ordered dual certified according to ASTM/ASME A/SA 333/3, with additional requirements to MESC SPEC 74/004.

Certification is EN10204 3.1 and conforms to NACE MR-01-03, NACE MR-01-75 and PED 97/23/EC. All pipe is impact tested at -101°c with minimum single values of 21J and a minimum average of 27J. We also have a range of pipes which are additionally impact tested at -105°c.

Element	Composition %
Carbon	0.19 MAX
Manganese	0.31-0.64
Phosphorus	0.025 MAX
Sulfur	0.025 MAX
Silicon	0.18-0.37
Nickel	3.18-3.82

	Tensile Requirements
	psi	MPa
Tensile Strength, min	65 000	450
Yield Strength, min	35 000	240

ASTM/ASME A/SA 671

We also carry Welded pipe which is a direct equivalent of A333 Grade 3, currently with a limited number of sizes and wall thicknesses from 18" to 36" according to A671 CF66 (A203 CF65 Gr.D)

Element	Composition %
Carbon	0.17 MAX
Manganese	0.70 MAX
Phosphorus	0.035 MAX
Sulfur	0.035 MAX
Silicon
Heat analysis	0.15-0.40
Product Analysis	0.13-0.45
Nickel
Heat Analysis	3.25-3.75
Product Analysis	3.18-3.82