We are Henan Double Elephants Machinery Imp&Exp Co., Ltd based in Zhengzhou , China. We are member of Tradekey.com since July, 2011. Our business is related to Industrial Machinery industry and we specifically deal in Gear, shaft, forgings. Please find our product details below:

Precision gear
Material: 20CrMnMo
Diameter: 350mm
Module: 32
Process: forging
Hardness: 58-62HRC
Standard: ASTM, EN, DIN, JIS, GB, etc.

Metal forged parts
Material: Steel
Specification: Max, 10000mm
*****: 100-1500mm
Surface roughness: 1.6
Precision(mm): 0.1
Flaw detecion: SEP 1921
Grain size: ASTM E-112
Coaxial tolerance(mm): 0.08

Gears and shafts
We are specialized in manufacturing various kinds of gears, the main specification: OD within 2500mm, Mn within 40. the grade of material: 45, 20Cr, 40Cr , 35Cr Mo , 42Cr Mo, 20CrMnMo, 20CrMnTi, 17CrNiMo6, 20CrNi2Mo, etc. Hardness: 56-60 HRC is the hardest; 40-55 HRC is the average hardness; below 28 HRC is the soft. Standard: ASTM, EN, DIN, JIS, GB, etc.

Sell Steel forged forging
Material: Steel
Specification: Max, 10000mm
*****: 100-1500mm
Surface roughness: 1.6
Precision(mm): 0.1
Flaw detection: SEP 1921
Grain size: ASTM E-112
Coaxial tolerance(mm): 0.08

Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.