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CN-7M

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Published: 01 January 2006
Fig. 7 Erosion-corrosion of ACI CN-7M stainless steel pump components that pumped hot H 2 SO 4 with some solids present. Note the grooves, gullies, waves, and valleys common to erosion-corrosion damage. Courtesy of A.R. Wilfley & Sons, Inc., Pump Division More
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Published: 01 January 2006
Fig. 9 Intergranular corrosion of an ACI CN-7M stainless steel pump component that contacted HCl-Cl 2 gas fumes. Note the grain-boundary attack. Courtesy of A.R. Wilfley & Sons, Inc., Pump Division More
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Published: 01 January 2006
Fig. 10 Weld decay of an ACI CN-7M stainless steel pump impeller that was field weld repaired with no postweld heat treatment. The pump service was P 2 O 5 solution at 80 °C (175 °F). (a) Overall view of impeller. (b) Closeup view of the weld repair and the associated weld decay, which More
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Published: 01 January 2005
Fig. 13 Isocorrosion diagrams for solution-annealed and quenched ACI CN-7M in H 2 SO 4 , HNO 3 , NaOH, and H 3 PO 4 . (a), (b), (d), and (f) Tested at atmospheric pressure. (c) and (e) Tested at equilibrium pressure in a closed container. See Fig. 9 for legend. More
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Published: 01 January 2006
Fig. 8 Isocorrosion diagram for ACI CN-7M in H 2 SO 4 . Source: Ref 15 More
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Published: 01 January 2003
Fig. 22 Cavitation damage to an ACI CN-7M stainless steel cast pump impeller used to pump ammonium nitrate solution at 140 °C (280 °F). Courtesy of A.R. Wilfley and Sons, Inc., Pump Division More
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Published: 01 January 2006
Fig. 11 Galvanic corrosion of type 304 stainless steel stud bolts that fastened two Alloy 20 (ACI CN-7M) pump components. The pump was pumping 45% H 2 SO 4 at 95 °C (200 °F). The stud bolts were anodic to the Alloy 20 pump housings. Courtesy of A.R. Wilfley & Sons, Inc., Pump Division More
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Published: 01 January 1990
-20 WQ from above 1095 °C (2000 °F) CF-8M, CF-12M WQ from 1065–1150 °C (1950–2100 °F) CF-8C WQ from 1065–1120 °C (1950–2050 °F) CF-16F WQ from above 1095 °C (2000 °F) CH-20 WQ from above 1095 °C (2000 °F) CK-20 WQ from above 1150 ° (2100 °F) CN-7M WQ from above 1065–1120 °C More
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004219
EISBN: 978-1-62708-184-9
... white cast irons pH (0–13), abradants Low-carbon, high-manganese steels pH (0–13), abradants Low-alloy cast iron pH (0–13), abradants ACI CD-4MCu pH (0–13), abradants ACI CF-3M (low carbon for as-welded corrosion resistance) pH (0–13), abradants ACI CN-7M (niobium or titanium...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001047
EISBN: 978-1-62708-161-0
... … A 743 Austenite 0.03 2.00 1.00 20.0–22.0 23.0–27.0 4.5–5.5Mo CN-7M … A 351, A 743, A 744 Austenite 0.07 1.50 1.50 19.0–22.0 27.5–30.5 2.0–3.0Mo; 3.0–4.0 Cu CH-7MS … A 743, A 744 Austenite 0.07 1.50 3.50 (g) 18.0–20.0 22.0–25.0 2.5–3.0Mo; 1.5–2.0Cu CT-15C … A 351...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003813
EISBN: 978-1-62708-183-2
... 0.04 0.04 18.0–21.0 9.0–13.0 3.0–4.0Mo CH-20 J93402 309 0.20 1.50 2.00 0.04 0.04 22.0–26.0 12.0–15.0 … CK-20 J94202 310 0.20 2.00 2.00 0.04 0.04 23.0–27.0 19.0–22.0 … CN-7M N08007 … 0.07 1.50 1.50 0.04 0.04 19.0–22.0 27.5–30.5 2.0–3.0Mo, 3.0–4.0Cu CN-7MS...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003118
EISBN: 978-1-62708-199-3
...-7M … 320 A 0.07 1.50 1.50 19.0–22.0 27.5–30.5 2.0–3.0Mo; 3.0–4.0Cu CN-7MS J94650 … A 0.07 1.50 3.50 (h) 18.0–20.0 22.0–25.0 2.5–3.0Mo; 1.5–2.0Cu CT-15C … … A 0.05–0.15 0.15–1.50 0.50–1.50 19.0–21.0 31.0–34.0 0.5–1.5V (a) Type numbers of wrought alloys...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001413
EISBN: 978-1-62708-173-3
... 0.025 1.20 1.00 19.5–20.5 17.5–19.5 6.0–7.0 V; 0.18–0.24 N; 0.50–1.00 Cu CK-20 310 A 743 Austenite 0.20 2.00 2.00 23.0–27.0 19.0–22.0 … Nickel-chromium steel CN-3M … A 743 Austenite 0.03 2.00 1.00 20.0–22.0 23.0–27.0 4.5–5.5 Mo CN-7M … A 351, A 743, A 744...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004178
EISBN: 978-1-62708-184-9
... Alloys The 20-type alloys are usually the first considered when an H 2 SO 4 environment is too corrosive for the use of steel, 300 series stainless steels, or cast iron. This group contains both wrought alloy 20Cb-3 (N08020) and cast alloy ACI CN-7M (N08007) that are roughly equivalent...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004183
EISBN: 978-1-62708-184-9
... version Corrosion rate mm/yr mils/yr ACI CF-8M Type 316 0.79 31 ACI CN-7M … 1.04 41 ACI CD-4MCu Duplex stainless steel 1.24 49 ACI CW-12M Hastelloy C 0.056 2.2 ACI, Alloy Casting Institute. Source: Ref 43 Aluminum Aluminum alloy 1100 is more readily attacked...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003676
EISBN: 978-1-62708-182-5
... 1.0 0.03 0.01 1.00 24.0–26.0 6.0–8.0 3.0–4.0 0.5–1.0 Cu, 0.2–0.3 N, 0.5–1.0 W 41.79 Cast austenitic J95150 CN-7M 0.07 1.50 … … 1.50 19.0–22.0 27.5–30.5 2.0–3.0 3.0–4.0 Cu 28.75 J94224 HK 0.20–0.60 2.00 0.04 0.04 2.00 24.0–28.0 18.0–22.0 … … 26.0 High...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005990
EISBN: 978-1-62708-168-9
... CF-8, CF-8C (c) 1040 1900 W, O, A 530 77 CF-8M, CF-12M (d) 1040 1900 W, O, A 550 80 CF-16F, CF-20 1040 1900 W, O, A 530 77 CH-20 1095 2000 W, O, A 605 88 CK-20 1095 2000 W, O, A 525 76 CN-7M 1120 2050 W, O, A 475 69 (a) FC, furnace cool; W, water...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005442
EISBN: 978-1-62708-196-2
... 0.280 CN-7M 8.00 0.289 Heat-resistant alloy castings HA 7.72 0.279 HC 7.53 0.272 HD 7.58 0.274 HE 7.67 0.277 HF 7.75 0.280 HH 7.72 0.279 HI 7.72 0.279 HK 7.75 0.280 HL 7.72 0.279 HN 7.83 0.283 HT 7.92 0.286 HU 8.04 0.290 HW 8.14...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003767
EISBN: 978-1-62708-177-1
...–19.5 6.0–7.0 V; 0.18–0.24 N; 0.50–1.00 Cu CK-20 310 A 743 Austenite 0.20 2.00 2.00 23.0–27.0 19.0–22.0 … Nickel-chromium steel CN-3M … A 743 Austenite 0.03 2.00 1.00 20.0–22.0 23.0–27.0 4.5–5.5 Mo CN-7M … A 351, A 743, A 744 Austenite 0.07 1.50 1.50 19.0–22.0...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0006543
EISBN: 978-1-62708-183-2
... 0.280 CN-7M N08007 8.00 0.289 Heat-resistant alloy castings HA … 7.72 0.279 HC J92605 7.53 0.272 HD J93005 7.58 0.274 HE J93403 7.67 0.277 HF J92603 7.75 0.280 HH J93503 7.72 0.279 HI J94003 7.72 0.279 HK J94224 7.75 0.280 HL N08604 7.72...