Page 123 - Practical Machinery Management for Process Plants Major Process Equipment Maintenance and Repair

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Material Specifications from API Standard 610
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ASTM Material Specifications for Centrifugal Pump Parts
Rgrum-Contrining
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Mmmd Castings Forgings Bar Stock Bolls and Studs
Cast iron ASTM A 48 -
cpbon -1 ASTM A 216. ASTM A IO5 oc A 576 ASTM A 576.
Grade WCA or WCB Grade 1015
AIS1 4 140 slerl - ASTM A 322. ASTM A 193.
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Grade 4140 Grade B7
5'1) chrmne SIUl ASTM A 217. ASTM A 182.
Grade C5 Grade F5
12% chromc Sleel ASTM A 743. ASTM A 182. ASTM A 276. ASTM A 193.
Grade CA I5 or CA6NM Grade F6 Type 410 or 4 I6 Grade E6
18-8 Stainless 1-1 ASTM A 743. ASTM A 182 ASTM A 276 ASTM A 193
(NOW 2) Grade CF8
316 Stainless steel ASTM A 743, ASTM A 182. ASTM A 276. ASTM A 193.
Grade CF8M Grade F316 Type 316 Grade B8M
Bronze ASTM B 584. - ASTM B 139 ASTM B 124,
UNS-C 87200 Alloy 655
General Notes 2. 18Cr-8Ni includes Types 302, 303, 304. 316, 321,
and 347. If a particular type is desired, the purchaser shall
so specify.
3. If pumps with horizontally split cases are furnished, an
1. Hard-facing material (stellite, Colmonoy. tungsten asbestos composition case gasket is acceptable.
carbide. etc.) for Classes A-7 and A-8 shall be selected by 4. For Class S-6, the shaft shall be 12-percent chrome if
the vendor unless specified by the purchaser. the temperature exceeds 350 F (177 C).