ASTM A333 Low Temperature Pipe

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Tubos de baja temperatura ASTM A333

Categorías Tubería de baja temperatura, Productos, Tubo de acero

ASTM A333: American Society for Testing and Materials
Seamless Steel Pipe for Low-Temperature Service
Tamaños: 1/8″ a 24"
Horarios WT: SCH 10, SCH 20, SCH 40, SCH STD, SCH 80, SCH XS a SCH 160. SCH XXS
Length: Single Random Length, Double Random Length. 20ft. 40ft
Ends Types: Plain, Beveled

Categorías Tubería de baja temperatura, Productos, Tubo de acero

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Aplicaciones: Suministro de petróleo, gas y agua; fabricación de refinerías, calderas y equipos mecánicos; construcción de estructuras; perforación, construcción naval, etc.

Elemento	Composición, %
Elemento	Grade 1	Grade 3	Grade 4	Grade 6	Grade 7	Grade 8	Grade 9	Grade 10	Grade 11
Carbon, max	0.30	0.19	0.12	0.30	0.19	0.13	0.20	0.20	0.10
Manganeso	0.40-1.06	0.31-0.64	0.50-1.05	0.29-1.06	0.90 max	0.90 max	0.40-1.06	1.15-1.50	0.60 max
Fósforo, máx.	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.035	0.025
Sulfur, max	0.025	0.025	0.025	0.025	0.025	0.025	0.025	0.015	0.025
Silicio		0.18-0.37	0.08-0.37	0.10 min	0.13-0.32	0.13-0.32		0.10-0.35	0.35 max
Níquel		3.18-3.82	0.47-0.98	0.40 min	2.03-2.57	8.40-9.60	1.60-2.24	0.25 max	35.0-37.0
Cromo			0.44-1.01	0,30 máx.				0,15 máx.	0,50 máx.
Copper			0.40-0.75	0.40 ,ax			0.75-1.25	0,15 máx.
Aluminio			0.04-0.30					0,06 máx.
Vanadium, max				0.08				0.12
Niobium, max				0.02				0.05	0,50 máx.
Molybdenum, max				0.12				0.05
Cobalt									0,50 máx.

Requisitos de tracción

	Grade 1		Grade 3		Grade 4		Grade 6		Grade 7		Grade 8		Grade 9		Grade 10		Grade 11
	psi	Mpa	psi	Mpa	psi	Mpa	psi	Mpa	psi	Mpa	psi	Mpa	psi	Mpa	psi	Mpa	psi	Mpa
Tensile strength, min	55000	380	65000	450	60000	415	60000	415	65000	450	100000	690	63000	435	80000	550	65000	450
Yield strength, min	30000	205	35000	240	35000	240	35000	240	35000	240	72000	515	46000	315	65000	450	35000	240
	Longi-tudinal	Trans-verse	Longi-tudinal	Trans-verse	Longi-tudinal	Trans-verse	Longi-tudinal	Trans-verse	Longi-tudinal	Trans-verse	Longi-tudinal	Trans-verse	Longi-tudinal	Trans-verse	Longi-tudinal	Trans-verse	Longi- tudinal
Elongation in 2 in. or 50 mm, (or 4D), min, %: Basic minimum Elongation for walls s/e in. [8mm] and over in thickness, strip tests, and for all small sizes tested in full section	35	25	30	20	30	16.5	30	16.5	30	22	22		28		22		18
When standard round 2-in. or50-mm gage length or proportionally smaller size test specimen with the gage length equal to 4D (4 times the diameter) is used	28	20	22	14	22	12	22	12	22	14	16				16
For strip tests, a deduction for each in. [o.8 mm] decrease in wall thickness below s/e in. [8 mm] from the basic minimum elongation of the following percentage	1.75	1.25	1.50	1.00	1.50	1.00	1.50	1.00	1.50	1.00	1.25		1.50		1.255