Alloy 718-API 6A
Nickel Based Alloy for Oil & Gas

Certified Standards:
API STD. 6A-718 2nd Ed
API SPEC. 6A-718 PSL4
UNS N07718 / W. St. 2.4668
NACE MR 01-75 / ISO 15156-3
NACE MR 01-03
100237403
BMS N201 / N213
CMS-Z1CGU.0
CMS-Z1CSU.0
CSP-4
ES-MA-46-2
FMC M40902
FMC M40910
VGS 5.141.1
VGS 5.541.1
WN-301
WN-303
Melting Practice: VIM/VAR
Other Standards:
ASTM / ASME A388 / SA388
EN 473 / EN ISO 9712
ASTM E351 / ASTM E1473
ASTM B880
ASTM E140
ASTM A604
ASTM A370
AMS 2750E / SAE-AMS-H-6875B
ASTM E23
ASTM E18
ASTM A604 / A604M
ASTM E112
AMS STD 2154
X-008064
718-API Round Bar Size Range ex-stock
Machined Round Bar - sawn to length if required
Dia. Metric (mm) Dia. Imp. (inch) Tol.
12.70 0.500 ITK12
15.88 0.625 ITK12
19.05 0.750 ITK12
22.23 0.875 ITK12
25.40 1.000 ITK12
28.58 1.125 ITK12
31.75 1.250 ITK12
34.93 1.375 ITK12
38.10 1.500 ITK12
41.28 1.625 ITK12
44.45 1.750 ITK12
47.63 1.875 ITK12
50.80 2.000 ITK12
53.98 2.125 ITK12
57.15 2.250 ITK12
63.50 2.500 ITK12
69.85 2.750 ITK12
76.20 3.000 ITK12
82.55 3.250 ITK12
88.90 3.500 ITK12
95.25 3.750 ITK12
101.60 4.000 ITK12
114.30 4.500 ITK12
127.00 5.000 ITK12
139.70 5.500 ITK12
152.40 6.000 ITK12
165.10 6.500 ITK12
177.80 7.000 ITK12
190.50 7.500 ITK12
203.20 8.000 ITK12
215.90 8.500 ITK12
228.60 9.000 ITK12
254.0 10.000 ITK12
279.4 11.000 ITK12
304.8 12.000 ITK12
317.5 12.500 ITK12
330.2 13.000 ITK12
355.6 14.000 ITK12
View ISO Tolerances Make an Enquiry