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Grade F738M Class A1-80 304L
USA UNS S30403
Corresponding Standard ASTM F738M-2002
Stainless Steel Metric Bolts, Screws, and Studs
Classification Austenitic Stainless Steel
F738M Class A1-80 304L Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu
Minimum Value - - - - - 18 8 -
Maximum Value 0.03 1 2 0.045 0.03 20 12 1
F738M Class A1-80 304L Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Hardness
HBW
M1.6~M5 SH ≥800 HR（C23~C36）
M6~M20 SH ≥800 ≥600 HR（C23~C36）
＞M20~M24 SH ≥700 ≥500 HR（B96~C33）
＞M24~M30 SH ≥650 ≥400 HR（B93~C30）
＞M30~M36 SH ≥600 ≥300 HR（B89~C28）
• D-nominal thread diameter
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
022Cr19Ni10
(00Cr19Ni10) 		S30403 304L SUS 304L STS 304L 304L S30403 X2CrNi 19-11
X2CrNi 18-9 		4306-304-03-I
4307-304-03-I 		X2CrNi 19-11
(X2CrNi 18-9) 		1.4306 Z2CN 18-10
Z2CN 18-09 		X2CrNi 19-11
X2CrNi 18-9 		1.4306
1.4307 		03Х18Н10 304S12
2 Approximate Comparison Table Stainless Steels for Cold Heading and Cold Extruding
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade EN Numerical Grade
022Cr19Ni10
(00Cr19Ni10) 		S30403 SUS304L 304L S30403 X2CrNi18-9 4307-304-03-I X2CrNi18-9 1.4307
3 Approximate Comparison Table Stainless Steels for Cold Heading and Cold Extruding
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade EN Numerical Grade
022Cr19Ni10
(00Cr19Ni10) 		S30403 SUS304L 304L S30403 X2CrNi19-11 4306-304-03-I X2CrNi19-11 1.4306

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