中文版
Home Material ASTM F593-2017
简体 | 繁體
Grade F593 630
USA UNS S17400
Corresponding Standard ASTM F593-2017
Standard specification for stainless steel bolts, hex cap screws, and studs
Classification Martensitic Stainless Steel
F593 630 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu More
Minimum Value - - - - - 15 3 3 Cb+Ta：0.15~0.45
Maximum Value 0.07 1 1 0.04 0.03 17.5 5 5
F593 630 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
ksi 		Yield Point
σs
ksi 		Elongation or Extension Rate
δ
% 		Hardness
HBW
1/4 ~ 1-1/2 (Full-Size) AH 135~170 ≥105 HR (C28~38)
1/4 ~ 1-1/2 (Machined) AH ≥135 ≥105 ≥16
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
05Cr17Ni4Cu4Nb
(0Cr17Ni4Cu4Nb) 		S51740 630 SUS 630 STS 630 630 S17400 X5CrNiCuNb 16-4
1
(ISO 683-13-1986) 		4542-174-00-I X5CrNiCuNb 17-4 1.4542 Z6CNU 17-04 X5CrNiCuNb 16-4 1.4542
2 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
05Cr17Ni4Cu4Nb
(0Cr17Ni4Cu4Nb) 		S51740 630 SUS 630 STS 630 630 S17400 X5CrNiCuNb 16-4 X5CrNiCuNb 17-4 1.4542 Z6CNU 17-04 X5CrNiCuNb 16-4 1.4542

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!