中文版
Home Material ASTM A268/A268M-2020
简体 | 繁體
Grade A268 TP446-1
USA UNS S44600
Corresponding Standard ASTM A268/A268M-2020
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
Classification Ferritic Stainless Steel
A268 TP446-1 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value - - - - - 23 - -
Maximum Value 0.2 1 1.5 0.04 0.03 27 0.75 0.25
A268 TP446-1 Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
≥485 ≥275 ≥18 ≤207
1 Approximate Comparison Table Ferritic Heat-Resistant Steel
China Taiwan, China Japan South Korea United States
GB ISC CNS JIS KS ASTM UNS
16Cr25N
(2Cr25N) 		S12550 SUH 446 SUS 446 STR 446 446 S44600
2 Approximate Comparison Table Ferritic Stainless Steel
China Japan United States International Organization for Standardization European Standard
ISC JIS ASTM UNS ISO Numerical Grade EN Numerical Grade
S12550 SUH446 446 S44600 X15CrN26 4749-446-00-I X18CrN28 1.4749
3 Approximate Comparison Table Ferritic Stainless Steel
United States France European Standard
ASTM UNS NF EN/NF EN Numerical Grade
446 S44600 X15CrN26 X18CrN28 1.4749

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