Alloy 400
Nickel Based Alloy for Oil & Gas
HIGH STRENGTH

Certified Standards:
ASTM B164
ASME SB164
ASTM B564
ASME SB564
ASME Sec.II Part B/SB 164/564
SAE-AMS 4675 (Chemistry only)
BS 3076-89 NA13
UNS N04400
Nace MR01-75 / ISO15156
Nace MR01-03
PED 97/23/EC
Minimum mechanical properties to ASTM A370
Rp0.2% (yield) 275Mpa / 40KSI
Rm (ultimate tensile) 551MPa / 80KSI
Elongation (A4) 30%
Reduction of Area Information only
Hardness (HRc) 35 Max
Hardness (HRb) Information only
Typical mechanical properties to ASTM A370
Rp0.2% (yield) 380 to 414Mpa / 55 to 60KSI
Rm (ultimate tensile) 586 to 620MPa / 85 to 90KSI
Elongation (A4) 35 to 40%
Reduction of Area 60 to 70%
Hardness (HRc) <20
Hardness (HRb) 85 / 90
Alloy 400 Round Bar Size Range ex-stock
Machined Round Bar - sawn to length if required
Dia. Metric (mm) Dia. Imp. (inch) Tol.
15.88 0.625 Peeled K11
19.05 0.750 Peeled K11
22.23 0.875 Peeled K11
25.40 1.000 Peeled K11
28.58 1.125 Peeled K11
31.75 1.250 Peeled K11
34.93 1.375 Peeled K11
38.10 1.500 Peeled K11
44.45 1.750 Peeled K11
50.80 2.000 Peeled K11
57.15 2.250 Peeled K11
63.50 2.500 Peeled K11
69.85 2.750 Peeled K11
76.20 3.000 Peeled K11
82.55 3.250 Peeled K11
88.90 3.500 Peeled K11
95.25 3.750 Peeled K11
101.60 4.000 Peeled K11
107.95 4.250 Peeled -0/+1mm
114.30 4.500 Peeled K11
120.65 4.750 Peeled -0/+1mm
127.00 5.000 Peeled K11
139.70 5.500 Peeled K11
152.40 6.000 Peeled -0/+1mm
165.10 6.500 Peeled -0/+1mm
177.80 7.000 Peeled -0/+1mm
190.50 7.500 Peeled -0/+1mm
203.20 8.000 Peeled -0/+1mm
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