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ASTM A335 Alloy Steel Pipe

Description

Alloy Steel Pipe1 2

ASTM A335 Alloy Steel Pipe ,  the addition of Molybdenum (“Moly”) increases the strength of the steel and its elastic limit, enhances the steel resistance to wear, its impact qualities, and the hardenability. It also improves the resistance to softening, makes chromium steel less prone to embrittlement, and prevents pitting.

MECHANICAL PROPERTIES

A335 Low-Alloy PipeUNS NumberYield Strength ksiTensile Strength ksiElongation %RockwellBrinell
P1K11522305530
P2K11547305530
P5K41545407030207 max
P9S50400306030
P11K11597306020
P12K11562326030174 max
P22K21590306030
P91K91560608520

Standard: ASTM A335

grade:P1, P2,P5,P9,P11,P91,P92

OD:10.3-660mm

WT:1.6-60mm

Length:5.8m-12m or random legth

Technical: Quenching & Tempering

Application: Gas fire power plant, coal fire power plant, headers and steam lines, Feed water pipes, superheaters, and reheaters.

A335 P9 Alloy Steel Pipe that covers “chrome-moly” seamless pipes with remarkable resistance to corrosion and good tensile strength at high-temperature service. Generally, ASTM A335 P11, P22, and P91 pipes are used in power generation and downstream oil and gas, P5 and P9 grades are for refinery applications.

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