ASTM A193 B8MLN

ASTM A193 B8MLN is an austenitic stainless steel used throughout the Oil and Gas industry as a cost effective material for general connections including valves, flanges, and fittings where corrosion protection is required.

LoneStar Fasteners Europe offer ASTM A193 Grade B8MLN, covering the basic requirements of ASTM A193, but can also offer with supplementary testing meeting additional requirements of the standard or to meet the demands of OEM or international accredited certification bodies.

ASTM A193 B8MLN: Forms

  LoneStar Manufacture 
Stud Bolts
Studding
Hexagon Headed Bolting
Socket Headed Bolting
Double Ended and Waisted Studs
Associated OEM Parts

ASTM A193 B8MLN: Sizes and Threads 

  LoneStar Manufacture 
Metric Coarse
Metric Fine
Imperial UNC
Imperial 8UN
Imperial UNF
ACME
Metric sizes available Up to M100
Imperial sizes available Up to 6.00″

ASTM A193 B8MLN: Chemical Composition

Carbon 0.030 % Max
Manganese 2.00 % Max
Phosphorus 0.045 % Max
Sulphur 0.030 % Max
Silicon 1.00 % Max
Chromium 16.0-18.0 %
Nickel 10.0-13.0 %
Molybdenum 2.00-3.00 %
Copper
Niobium
Titanium
Vanadium
Aluminium
Nitrogen 0.10-0.16 %

ASTM A193 B8MLN: Mechanical Properties

Class 1
Tensile Strength Min, Ksi 75
Yield Strength  min, 0.2% offset Ksi 30
Elongation in min% 30
Reduction of Area min% 50
Hardness Max 96 HRB

Similar or Equivalent Standards 

316 SS

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