aisi 4340 girth gear and pinion

{"cid":"91212205","title":"Customizable AISI 4140 Girth Gear and Pinion with Desirable Hardness","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/b8\/36dd73fdf643640e231163dc84e0-200x200-1.jpg","attrs":{"Price":"$1500\/ Piece","Brand Name":"YIZGEAR","Model Number":"GG22082304","Minimum Order Quantity":"1 Piece","Delivery Time":"90 Days","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/P, T\/T, Western Union","Supply Ability":"20 Pieces\/Month","Packaging Details":"Wooden Crate\/Pallte","Material":"Casting Stell","Hardness":"260-280 HB","Heat Treatment":"Quenching & Tempering","Width":"250mm","Packing":"Wooden Crate\/ Pallet","Outer Diameter":"3200","Pressure angle":"20\u00b0"}}

{"cid":"91196990","title":"Custom 10-45mm Module Large Girth Gear pinion Ring For Grinding Mill","imgUrl":"https:\/\/img.chinax.com\/nimg\/10\/46\/d9ba6ef70bf3758da7cecad7f69b-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"ZTIC","Model Number":"Customized","Minimum Order Quantity":"1 set","Delivery Time":"1-2 months","Certification":"ISO\/CE","Place of Origin":"China","Payment Terms":"L\/C, T\/T, D\/A, Western Union, MoneyGram","Supply Ability":"300 sets per month","Packaging Details":"regular packing","item":"gear","name":"girth gear","Size":"Customer's Drawing Required","Application":"grinding mill","Module":"10-45mm","Dimension OD":"OD:100mm-12000mm","Pressure Angle":"20,30 and other Nonstandard","Accuracy":"OD\u22644000mm,6 class OD\u22654000mm,8 class","Process":"casting,forging,welding","Certificate":"ISO.CE"}}