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Grade HT200
Corresponding Standard GB /T 9439-2010
Grey Iron Castings
Classification cast Iron
HT200 Mechanical Properties
Sample size Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
φ30 (single-cast) 200~300 130~195 0.3~0.8
5＜t≤300 (single-cast) ≥200 150~230
20＜t≤40 (additional casting) ≥170
40＜t≤80 (additional casting) ≥150
80＜t≤150 (additional casting) ≥140
150＜t≤300 (additional casting) ≥130
5＜t≤10 (base material) ≥205
10＜t≤20 (base material) ≥180
20＜t≤40 (base material) ≥155
40＜t≤80 (base material) ≥130
80＜t≤150 (base material) ≥115
Approximate Comparison Table Cast Iron
China Taiwan, China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom Australia
GB CNS JIS ASTM SAE ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS Australian Standard AS
HT20-40
HT200 		FC200 FC200 200/225
25B
30
30B 		G10H18 200
JL200 		GG20 0.6020 FGL200
Ft20D 		EN-GJL-200 EN-JL1030 SCH20 01-20-00
0120 		180
200/220
220
Grade180
Grade260 		T220
HT200 Corresponding Standards(Same grade name, different standards)
1 GB /T 9439-2010
HT200
2 YB /T 036.2-1992
HT200
3 GB /T 9439-2023
HT200

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