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Zhengzhou Sebon Heavy Machinery Co.,LTD.is a leading manufacturer and exporter specialized in investment & precision casting for over 20 years. All OEM casting parts meet our customers' needs, based on the ISO 9001:2008 quality control system guidelines. Hope to find a way to help expand your business in the near future.

JB/T 6402 ZG20SiMn precision castings is widely used in auto,moto,railway and shipping construction machinery,mining machinery and engineering machinery industries.We can produce JB/T 6402 ZG20SiMn precision castings according to your drawings.We can also do CNC machining and many kinds surface treatment, just tell us your requirements on physical properties and chemical compositions .

JB/T 6402 ZG20SiMn precision castings part Testing Equipments: Impact Testing Machine, Universal Testing Machine, Spectrum Analysis Instrument, X-ray Tester, Hardness Tester, Ultrasonic, Magnetic Particle Inspector, Three Coordinate Measuring Machine, Metallographic Examination Instrument, etc.

Our foundry mainly produces stainless steel precision castings parts, carbon steel precision castings parts, heat-resistant steel precision castings parts, alloy steel precision castings parts, cast copper precision castings parts, cast iron precision castings parts, high temperature alloy material precision castings parts. Material can meet domestic and international standards GB, AISI, DIN, JIS, EN, etc.. And we have passed ISO9001 and TS16949 international quality system certification.

 

JB/T 6402 ZG20SiMn precision castings chemical composition unit 

 

Symbol	Chemical composition
	C  max	Si max	Mn  max	P max	S max	Cr max	Ni max	Mo	Cu
ZG20SiMn	0.10~0.22	0.60~0.80	1.00~1.30	≤0.035	≤0.035	17.0~20.0	≤0.40	-	-

 

JB/T 6402 ZG20SiMn precision castings chemical composition unit

 

Symbol	Heat Treatment Condition	Yield point or proof stress N/mm2	Tensile strength    N/mm2	Elongation % min	According to the contract
					Transverse Shrinkage Z/%	Impact Toughness KU2/J	Hardness
ZG20SiMn	Normalizing+Temper	295	510	14	30	39	≤156
	Hardening and Tempering	300	500~650	24	-	45	150~190

 

If you want to know more about JB/T 6402 ZG20SiMn precision castings Dimensional Tolerance ,please feel free to contact us.

JB/T 6402 ZG20SiMn precision castings part Process:Lost wax casting(Silica sol process or Waterglass process)