Heat treatment of 13CrMo44 heat-strength seamless pipe
13CrMo44 is a heat-strength seamless boiler tube that conforms to DIN 17175. The steel number is 1.7335. 13CrMo44 heat-strength steel pipe is a pipe that can work in a high temperature environment of 600°C, and can be used to manufacture steam boiler tubes, pressure vessel pipes, etc.
Heat-strength steel for making 13CrMo44 seamless steel tubes and its chemical composition
Grade | Code | C | Si | Mn | P | S | Cr | Mo | Ni | V |
13CrM044 | 1.7335 | 0.1-0.18 | 0.10-0.35 | 0.40-0.70 | 0.035 | 0.035 | 0.70-1.10 | 0.45-0.65 |
Mechanical properties of DIN17175 13CrMo44 heat-strength steel seamless pipes at room temperature
Grade | Code | Ttensile Strength N/mm2 | Yield Strength wall thickness,mm | Elongation(L=5do) | Notched impact energy | |||
≤16 | >16≤40 | >40≤60 | Portrait | Horizontal | Horizontal | |||
N/mm2 min | % min | δ min | ||||||
13CrM044 | 1.7335 | 440-590 | 290 | 290 | 280 | 22 | 20 | 34 |
If there are no special requirements for 13CrMo44 grade, it should be delivered after heat treatment. The heat treatment suitable for 13CrMo44 seamless pipe is through the processing method of quenching and tempering, at a temperature between 850 ℃ and 1100 ℃.
If you are interested in 13CrMo44 heat-strength seamless boiler tubes, you can feel free to contact us for a quotation.
From:http://boilersteelpipe.com/pro/smls/heat-treatment-of-13crmo44-heat-strength-seamless-pipe.html
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