Grade A193 B16
Other Names
Corresponding Standard ASTM A193/A193M-2019
Alloy-steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications
Classification Alloy Steel
Properties High-Temperature Strength Machinability
A193 B16 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo V Al
Minimum Value 0.36 0.15 0.45 - - 0.8 0.5 0.25 -
Maximum Value 0.47 0.35 0.7 0.035 0.04 1.15 0.65 0.35 0.015
Note: The intentional addition of Bi, Se,Te, and Pb is not permitted
A193 B16 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
d≤M64 Quenching + tempering °C
≥650
≥860 ≥725 ≥18 ≥50 ≤321
M64<d≤M100 Quenching + tempering °C
≥650
≥760 ≥655 ≥17 ≥45 ≤321
M100<d≤M200 Quenching + tempering °C
≥650
≥690 ≥585 ≥16 ≥45 ≤321
New and Old Grade Replacement List
Corresponding Standard Grade
ASTM A193/A193M-2001
Grade
Other Name
ASTM A193/A193M-2019
Grade
Other Name
Approximate Comparison Table Structural Alloy Steel
China Japan United States Germany European Standard United Kingdom
GB JIS ASTM DIN EN/DIN W-Nr. EN Numerical Grade BS EN/BS
35CrMoV SNB16 A193 B16 40CrMoV4-6 1.7711 40CrMoV4-6 1.7711 40CrMoV4-6
A193B16 Corresponding Standards(Same grade name, different standards)

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