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Table 4 Model parameters employed in predictions

From: A review of crack growth models for near-neutral pH stress corrosion cracking on oil and gas pipelines

Model

Parameter

Value or equation

Source

SwRI

B0

1.9 × 10−13 MPa−6 m−2 s-0.2

[44]

Modified SwRI

\({B}_0^{\prime }\)

8.8 × 10− 14 MPa− 6 m− 2 s-0.25

[16]

SwRI & Modified SwRI

\({C}_{cr}^{Lat}\)

3.3 × 104 mol/m3

[44]

SwRI & Modified SwRI

CB

0.447 mol/m3

Eqs. (2) and (3)1

Xing et al.’s

D

1.7 × 10− 9 m2/s

[50]

Xing et al.’s

rp

\(\left(\frac{1}{6\pi}\right){\left(\frac{K_{max}}{\sigma_y}\right)}^2\)

[50]

Xing et al.’s

Req

(rp  +  0.13) mm

[59]

Xing et al.’s & Chen et al.’s

Ω

2.0 × 10− 30 m3

[59]

Xing et al.’s & Chen et al.’s

c0

0.16 × 10− 6

[52]

  1. 1The value of CB is calculated using Eqs. (2) and (3) by assuming pH = 7 and φ  = − 0.7VCSE