API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

5-42 API RECOMMENDED PRACTICE 581
Table 5.3—Bundle Material Cost Factors
Bundle Generic Material
Tube Material Cost Factor,
M
f
AL6XN/254 SMO 7.0
Seacure/E-Brite 6.0
Admiralty Brass/Aluminum Brass/Red Brass/Muntz 2.5
Aluminum Alloy 3.0
Alloy 20 Cb3 6.5
Alloy 600 9.5
Alloy 625 11.0
Alloy 800 7.0
Alloy 825 8.0
Alloy C276 11.0
Ferralium 255 7.0
Bimetallic 4.5
Ceramic 1.0
Plastic 1.0
Titanium Gr. 2 6.0
Titanium Gr. 12 10.0
Titanium Gr. 16 14.0
Zeron 100 4.0
Zirconium Alloy 15.0
NOTE The tube material cost factors are generic data and the user is encouraged to set values based on current
material cost factors.
Table 5.4—Numerical Values Associated with POF and Financial-Based COF Categories for Exchanger
Bundles
Probability Category (1) Consequence Category (2)
Category Range Category Range ($)
1 POF ≤ 0.1
A COF ≤ $10,000
2 0.1 < POF ≤ 0.2
B $10,000 < COF ≤ $50,000
3 0.2 < POF ≤ 0.3
C $50,000 < COF ≤ $150,000
4 0.3 < POF ≤ 0.5
D $150,000 < COF ≤ $1,000,000
5 0.5 < POF ≤ 1.0
E COF > $1,000,000
NOTE 1 In terms of the total DF, see Part 2, Section 2.3.
NOTE 2 In terms of consequence area, see Part 3, Section 4.11.4.