nodular iron bar, nodular iron casting, nodular cast iron

Handan shi Hengong Metallurgical Machinery Co Ltd—the subsidiary company of Hebei Dazzling Continuous Casting Co Ltd, As the largest manufacturer in Asia,Hengong owns seven horizontal continuous casting production lines. Hengong has an annual capability of 100,000 tons for bar production with the sizes diameter 18mm-500mm and 10,000 tons for machining especially can also produce similar proudcts with the corresponding size, shaped cross-section, high intensity and high density. Our products used in hydraulic industry,metallurgical industry,air compressor industry...       Bar Products       The Machining     The Application     Material Specification

Standard		LZHT200	LZHT250	LZHT300	LZQT400~18	LZQT450~10	LZQT500~7	LZQT600~3
Chemical Composition (%)	Si	2.0~2.8	2.2~2.6	2.0~2.8	2.0~2.8	2.2~3.2	2.2~3.2	2.2~3.2
	Mn	0.3~0.5	0.5~0.8	0.6~1.2	0.1~0.4	0.2~0.4	0.3~0.6	0.4~0.8
	P	≤0.15	≤0.15	≤0.15	≤0.1	≤0.1	≤0.1	≤0.1
	S	≤0.12	≤0.12	≤0.1	≤0.03	≤0.03	≤0.02	≤0.02
	C	2.8~3.8	2.8~3.8	2.8~3.8	3.3~4.0	3.2~3.9	3.0~3.9	3.0~3.8
	Mg				0.02~0.06	0.02~0.06	0.02~0.06	0.02~0.06
Mechanical property	MPA Tensile strength	≥180	≥220	≥260	30≤D≤150; 380~400       150≤D≤450; 350~380	30≤D≤150; 420~450       150≤D≤450; 400~430	30≤D≤150; 470~500       150≤D≤450; 420~470	30≤D≤150; 560~600       150≤D≤450; 520~560
	Hardness HB	150~180	170~220	190~240	130~170	140~200	150~220	180~250
	Elongation				30≤D≤120   ≥18;                   125≤D≤450  ≥15	30≤D≤120   ≥12;                   125≤D≤450  ≥8	30≤D≤120    ≥7;                     125≤D≤450  ≥5	30≤D≤120    ≥3;                     125≤D≤450  ≥2
Format dimensions	Round	ø20~ø450
	Square	30x30~400x400
	Rectangle	30x40~30x320
	Semicircle	R30~R180