Grade F738M Class C4-50 416
USA UNS S41600
Corresponding Standard ASTM F738M-2002
Stainless Steel Metric Bolts, Screws, and Studs
Classification Martensitic Stainless Steel
F738M Class C4-50 416 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value - - - - 0.15 12 -
Maximum Value 0.15 1 1.25 0.06 - 14 0.6
F738M Class C4-50 416 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Hardness
HBW
M1.6~M5 A ≥500 HRB
≤85
M6~M36 A ≥500 ≥250 ≤85
• D-nominal thread diameter
Approximate Comparison Table Martensitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade SS BS EN/BS
Y12Cr13
(Y1Cr13)
S41617 416 SUS 416 STS 416 416 S41600 X12CrS 13 4005-416-00-I X12CrS 13 1.4005 Z12CF 13
Z11CF13
X12CrS 13 1.4005 2380 416S21

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