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API 600 Trim Number Chart..

This document provides a chart of API trim numbers for control valves, along with the corresponding materials used for seats, discs, backseats, and stems. The trim numbers identify combinations of materials including 410 stainless steel, 304 stainless steel, 310 stainless steel, hard 410 stainless steel, hardfaced materials like stellite, copper-nickel alloys, Monel, 316 stainless steel, Alloy 20, and 347 stainless steel. Always consult current API publications to verify trim information and material data.

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francisco abarca
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2K views1 page

API 600 Trim Number Chart..

This document provides a chart of API trim numbers for control valves, along with the corresponding materials used for seats, discs, backseats, and stems. The trim numbers identify combinations of materials including 410 stainless steel, 304 stainless steel, 310 stainless steel, hard 410 stainless steel, hardfaced materials like stellite, copper-nickel alloys, Monel, 316 stainless steel, Alloy 20, and 347 stainless steel. Always consult current API publications to verify trim information and material data.

Uploaded by

francisco abarca
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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API 600 TRIM NUMBER CHART

Important Note: Data provided in this chart is for informational purposes only.
Always consult current API publications to verify information and trim data.
API Trim Number Material Seat / Disc Backseat Stem Notes

1 410 410 410 410 410


2 304 304 304 304 304
3 F310 310 310 310 310
4 Hard 410 Hard 410 Hard 410 410 410 Seats 750 BHN min.
5 Hardfaced Stellite Stellite 410 410
5A Hardfaced Ni-Cr Ni-Cr 410 410
6 410 and Cu-Ni Cu-Ni Cu-Ni 410 410
7 410 and Hard 410 Hard 410 Hard 410 410 410 Seats 750 BHN min.
8 410 and Hardfaced Stellite 410 410 410
8A 410 and Hardfaced Ni-Cr 410 410 410
9 Monel Monel Monel Monel Monel
10 316 316 316 316 316
11 Monel and Hardfaced Stellite Monel Monel Monel
12 316 and Hardfaced Stellite 316 316 316
13 Alloy 20 Alloy 20 Alloy 20 Alloy 20 Alloy 20
14 Alloy 20 and Hardfaced Stellite Alloy 20 Alloy 20 Alloy 20
15 304 and Hardfaced Stellite Stellite 304 304
16 316 and Hardfaced Stellite Stellite 316 316
17 347 and Hardfaced Stellite Stellite 347 347
18 Alloy 20 and Hardfaced Stellite Stellite Alloy 20 Alloy 20

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