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Home Material GB /T 9439-2010
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Grade HT350
Corresponding Standard GB /T 9439-2010
Grey Iron Castings
Classification cast Iron
HT350 Mechanical Properties
Sample size Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
φ30 (single-cast) 350~450 228~285 0.3~0.8
10＜t≤300 (single-cast) ≥350 220~290
20＜t≤40 (additional casting) ≥290
40＜t≤80 (additional casting) ≥260
80＜t≤150 (additional casting) ≥230
150＜t≤300 (additional casting) ≥210
10＜t≤20 (base material) ≥315
20＜t≤40 (base material) ≥280
40＜t≤80 (base material) ≥250
80＜t≤150 (base material) ≥225
Approximate Comparison Table Cast Iron
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom Australia
GB JIS ASTM SAE ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS Australian Standard AS
HT350 FC350 50
350 		G13H24 350
JL350 		GG35 0.6035 FGL350 EN-GJL-350 EN-JL1060 SCH35 0135 350 T350
HT350 Corresponding Standards(Same grade name, different standards)
1 GB /T 9439-2010
HT350
2 YB /T 036.2-1992
HT350

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