ASTM B462 Specification

Forgings, Fasteners, Boltings, Stud Bolts, Screws, Nuts

Scope

ASTM B462 specification covers forged or rolled UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N06059, UNS N10362, UNS N06686, UNS N08020, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R20033 pipe flanges, forged fittings, and valves and parts intended for corrosive high-temperature service.
The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
ASTM B462 standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.
ASTM B462 is international standard and was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Related Specifications of ASTM B462

ASTM B462 Chemical Composition

Composition, % Element
UNS C, max Mn, max P, max S, max Si, max Ni Cr Mo Cu Nb + Ta N Fe S, max W V, max Ti, max Z, max Nb Ta Ni + Mo Al, max B Y Ce
UNS N08020 0.07 2.00 0.045 0.035 1.00 32.00-38.00 19.00-21.00 2.00-3.00 3.00-4.00 8 × carbon-1.00 ... RemainderA ... ... ... ... ... ... ... ... ... ... ... ...
UNS N08367 0.030 2.00 0.040 0.030 1.00 23.50 to 25.50 20.00 to 22.00 6.00 to 7.00 0.75 max ... 0.18 to 0.25 RemainderA ... ... ... ... ... ... ... ... ... ... ... ...
UNS R20033 0.015 2.0 0.02 0.01 0.50 30.0-33.0 31.0-35.0 0.50-2.0 0.30-1.20 ... 0.35-0.60 RemainderA ... ... ... ... ... ... ... ... ... ... ... ...
UNS N06030 0.03 1.5 0.04 0.02 0.8 RemainderA 28.0-31.5 4.0-6.0 1.0-2.4 0.30-1.50 ... 13.0-17.0 5.0 1.5-4.0 ... ... ... ... ... ... ... ... ... ...
UNS N06022 0.015 0.50 0.02 0.02 0.08 RemainderA 20.0-22.5 12.5-14.5 ... ... ... 2.0-6.0 2.5 2.5-3.5 0.35 ... ... ... ... ... ... ... ... ...
UNS N06200 0.010 0.50 0.025 0.010 0.08 RemainderA 22.0-24.0 15.0-17.0 0.3-1.9 ... ... 3.0 max 2.0 ... ... ... ... ... ... ... 0.50 ... ... ...
UNS N10276 0.010 1.0 0.04 0.03 0.08 RemainderA 14.5-16.5 15.0-17.0 ... ... ... 4.0-7.0 2.5 3.0-4.5 0.35 ... ... ... ... ... ... ... ... ...
UNS10665 0.02 1.0 0.04 0.03 0.10 RemainderA 1.0 max 26.0-30.0 ... ... ... 2.0 max 1.0 ... ... ... ... ... ... ... ... ... ... ...
UNS N10675 0.01 3.0 0.030 0.010 0.10 RemainderA 1.0-3.0 27.0-32.0 0.20 ... ... 1.0-3.0 3.0 3.0 max 0.20 0.2 0.10 0.20 max 0.20 max 94.0-98.0 0.50 ... ... ...
UNS N06699 0.005-0.10 0.50 0.02 0.01 0.50 RemainderA 26.0-30.0 ... 0.50 max ... 0.05 max 2.5 max ... ... ... 0.60 0.10 0.50 max ... ... 1.9-3.0 0.008 max ... ...
UNS N06059 0.010 0.5 0.015 0.010 0.10 RemainderA 22.0-24.0 15.0-16.5 0.50 max ... ... 1.5 max 0.3 ... ... ... ... ... ... ... 0.1-0.4 ... ... ...
UNS N10362 0.010 0.60 0.025 0.010 0.08 RemainderA 13.8-15.6 21.5-23.0 ... ... ... 1.25 max ... ... ... ... ... ... ... ... 0.50 ... ... ...
UNS N06686 0.010 0.75 0.04 0.02 0.08 RemainderA 19.0-23.0 15.0-17.0 ... ... ... 5.0 max ... 3.0-4.4 ... 0.02-0.25 ... ... ... ... ... ... ... ...
UNS N08031 0.015 2.0 0.020 0.010 0.3 30.0-32.0 26.0-28.0 6.0-7.0 1.0-1.4 ... 0.15-0.25 RemainderA ... ... ... ... ... ... ... ... ... ... ... ...
UNS N06045 0.05-0.12 1.0 0.02 0.010 2.5-3.0 45.0 min 26.0-29.0 ... 0.3 max ... ... 21.0-25.0 ... ... ... ... ... ... ... ... ... ... ... 0.03-0.09
UNS N06025 0.15-0.25 0.15 0.02 0.010 0.5 RemainderA 24.0-26.0 ... 0.1 max ... ... 8.0-11.0 ... ... ... 0.1-0.2 0.01-0.10 ... ... ... 1.8-2.4 ... 0.05-0.12 ...
UNS N10629 0.01 1.5 0.040 0.010 0.05 RemainderA 0.5-1.5 26.0-30.0 0.5 ... ... 1.0-6.0 2.5 ... ... ... ... ... ... ... 0.1-1.5 ... ... ...
UNS N06035 0.050 0.50 0.030 0.015 0.60 RemainderA 32.25-34.25 7.60-9.00 0.30 max ... ... 2.00 max 1.00 0.60 max 0.20 ... ... ... ... ... 0.40 ... ... ...
  • A Shall be determined arithmetically by difference.

ASTM B462 Mechanical Requirements

UNS Designation Tensile Strength, min Yield Strength, min Elongation in 2 in.
or 50 mm,
min, %
Reduction of Area,
min, %
ksi MPa ksi MPa
UNS N08020 80 551 35 241 30 50
UNS N08367 95 655 45 310 30 50
UNS R20033 109 750 55 380 40 ...
UNS N06030 85 586 35 241 30 ...
UNS N06022 100 690 45 310 45 ...
UNS N06035 85 586 35 241 30 ...
UNS N06200 100 690 45 310 45 ...
UNS N10276 100 690 41 283 40 ...
UNS N10665 110 760 51 350 40 ...
UNS N10675 110 760 51 350 40 ...
UNS N06059 100 690 45 310 45 ...
UNS N10362 105 725 45 310 40  
UNS N06686 100 690 45 310 45 ...
UNS N08031 94 650 40 276 40 ...
UNS N06045 90 620 35 241 35 ...
UNS N06025 98 680 39 270 30 ...
UNS N10629 110 760 51 350 40 ...
UNS N06699 89 610 35 240 40 ...
 

ASTM B462 Certifications

  • EN 10204 3.1
  • EN 10204 3.2
  • PED 2014/68/EC
  • MERKBLATT AD 2000 W2/W7/W10
  • API 20 E BSL 1/ BSL 2
  • NACE MR 0175
  • NACE MR 0103

ASTM B462 Supplementary Requirements

S1 Corrosion Tests for UNS N08020
S2 Positive Material Identification Examination