ASTM B407 Pipes

SSM supplies astm b407 nickel-iron-chromium alloy seamless pipes

ASTM B407 nickel-iron-chromium alloy seamless pipes

SSM offers different types of pipes made from Alloy 800 and Alloy 800H. These alloys are known for their high strength at elevated temperatures and their ability to resist oxidation and carburization. They are extensively utilized in industries such as petrochemical, chemical processing, power generation, and industrial heating. Typical uses include heat exchangers, furnace components, and piping systems for high-temperature industrial processes. The following information provides detailed product specifications.

ASTM B407 nickel-iron-chromium alloy seamless pipes supplier, SSM provides product parameters as shown in the following table:

Articles	Paramètres
OD	NPS 1/8″ – NPS 30″
Poids	Les spécifications d'épaisseur de paroi courantes incluent SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, XXS (paroi extra résistante), etc.
Longueur	20 pieds (6 mètres) ou 40 pieds (12 mètres), selon les exigences du client.
Grade	Common Grades: Alloy 800 and Alloy 800H
Normes	ASTM B407 / ASME B36.19 M
End Finish	Plain ends / Beveled Ends / Threaded Ends
Surface Condition	Pickled / Passivated

Composition chimique et propriétés mécaniques

The typical chemical composition and mechanical properties of ASTM B407 alloys, specifically Alloy 800 and Alloy 800H.

Composition chimique	Alloy 800 (Incoloy 800)	Alloy 800H (Incoloy 800H)
Nickel (Ni)	30.0 – 35.0%	30.0 – 35.0%
Chrome (Cr)	19.0 – 23.0%	19.0 – 23.0%
Fer (Fe)	39,5% min	39,5% min
Carbone (C)	0,10% max	0.05 – 0.10%
Aluminium (Al)	0.15 – 0.60%	0.15 – 0.60%
Titane (Ti)	0.15 – 0.60%	0.15 – 0.60%
Cuivre (Cu)	0,75% max	0,75% max

Les propriétés mécaniques de chaque nuance diffèrent également :

Propriétés mécaniques	Alloy 800 (Incoloy 800)	Alloy 800H (Incoloy 800H)
Résistance à la traction	600 MPa (87 ksi) min	600 MPa (87 ksi) min
Limite d'élasticité (décalage de 0,2%)	300 MPa (43.5 ksi) min	415 MPa (60 ksi) min
Allongement (% en 50 mm)	30% min	30% min

Exigences de fabrication et de tolérance

Méthodes de fabrication

Seamless Process: Pipes shall be manufactured using either hot-working or cold-working methods, followed by annealing as required.

Exigences de tolérance

Variations autorisées de l'épaisseur de paroi
Tolérance, % à partir de la valeur nominale
Désignateur NPS	Sur	Sous
1/8 % à 2% inclus, tous les rapports t/D	20	12.5
3 à 18 incl., t/D jusqu'à 5% incl.	22.5	12.5
3 à 18 incl., t/D>5% incl.	15	12.5
20 et plus, soudé, tous les rapports t/D	17.5	12.5
20 et plus, sans couture, t/D jusqu'à 5%incl.	22.5	12.5
20 et plus, sans couture, t/D>5%	15	12.5

où : t = épaisseur nominale de la paroi D = diamètre extérieur commandé

Longueurs

The length of the pipes shall be as specified in the purchase order. Common lengths are single random (17-24 feet) and double random (38-40 feet), but custom lengths can also be ordered.
Pipes may also be supplied in cut lengths with a permissible variation of +1/8 inch (3.2 mm) and -0.

Advantages and Disadvantages of ASTM B407

Avantages :

The ASTM B407 specification provides significant advantages in high temperature and corrosion resistance, making it ideal for demanding industrial applications.

Inconvénients :

However, potential drawbacks include higher costs and considerations related to weldability and material selection. These should be carefully evaluated based on specific project needs and operational conditions.

Applications of ASTM B407 Pipes

Échangeurs de chaleur
Furnace Components
Traitement chimique
Production d'électricité
Industrie pétrolière et gazière
Aérospatiale et défense
Usines de dessalement
Industries alimentaires et pharmaceutiques

FAQ

What are the corrosion resistance properties of ASTM B407 alloys?

ASTM B407 alloys exhibit good resistance to oxidation, carburization, and other forms of high-temperature corrosion, making them suitable for use in aggressive environments.

Are ASTM B407 pipes suitable for welding?

Weldability of ASTM B407 alloys depends on the specific grade and conditions. Proper welding procedures and expertise are required to maintain the integrity and corrosion resistance of the pipes.

What certifications are provided with ASTM B407 pipes?

Manufacturers typically provide certifications stating compliance with ASTM B407 specifications, including chemical composition, mechanical properties, and dimensional tolerances.