ASTM B444 NiCrMoNb And NiCrMoSi Alloy Pipe

ASTM B444 Nickel-Chromium-Molybdenum-Columbium Alloys (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube

ASTM B444 covers nickel-chromium-molybdenum-columbium alloys (UNS N06625 and UNS N06852) and nickel-chromium-molybdenum-silicon alloy (UNS N06219)3 in the form of cold-worked seamless pipe and tube.

PIPE OD: 13.7-168.3MM THK: SCH 5S, 10S, 40S, 80S

Tube OD: 6.35-234.9MM THK: 1.65-8.56MM

UNS N06625 products are furnished in two grades of different heat-treated conditions:

1.1 Grade 1 (annealed)—Material is normally employed in service temperatures up to 1100°F (593°C).

1.2 Grade 2 (solution annealed)—Material is normally employed in service temperatures above 1100°F (593°C) when resistance to creep and rupture is required.

NOTE 1: Hot-working or reannealing may change properties significantly, depending on working history and temperatures.

2.1 Alloys UNS N06219 and UNS N06852 are supplied in the solution annealed condition only.

UNS N06625, UNS N06852 and UNS N06219 Chemical Composition:

UNS N06625, UNS N06852 and UNS N06219 Tensile Properties:

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