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Tongyuan-casting performs several shades of ductile iron (EN-GJS according to DIN EN 1563) and gray iron (EN-GJL according to DIN EN 1561). Upon request, aluminum shades can also be performed.

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Ductile iron EN-GJS (close to steel, with qualities of high strength, ductility and elasticity).
Shades achievable:
EN-GJS-400*-18** (fully ferritic matrix)
EN-GJS-450*-10** (predominantly ferritic matrix)
EN-GJS-500*-7** (pearlite-ferritic matrix)
EN-GJS-600*-3** (pearlite matrix)
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Gray iron EN-GJL (qualities of machining, corrosion resistance and vibration damping). Shades achievable:
EN-GJL-150* (thick lamellar pearlite)
EN-GJL-200* (thick lamellar pearlite)
EN-GJL-250* (thin lamellar pearlite)
EN-GJL-300* / EN-GJL-350* (thin lamellar pearlite)
*Tensile strenght max. resistance Rm in N/mm˛ **Elongation in %
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International Sales
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Peng McCoy
Sales Manager
E-mail: McCoycast@yeah.com
E-mail: McCoycasting@sina.com
Tel: +86-18573150959
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lSO 9001
lSO 9001:2008 GB/T 19001-2008
certification
*Certification number lSO 9001:2008
GB/T 19001-2008: 00109QC28967
R0M/43,
Certified by China Quality Certification
Centre (CQC).