Product Description
Harrow discs:
1. Diameter: 3'' to 36''
2. Thickness: 3mm to 12mm
3 Hardness: 38 to 46HRC
4 Model: Flat and notch
There is an existing advanced productiion line of forging ,casting ,maching,heat treatmentÂ
in the company.The products export to Europe,America,Astrailia,Southest Asia and otherÂ
countries and regions all the year round and enjoy good fames in the user.
Main specifications:
Â
Diameter | Concavity  | Thickness | |
mm | inch | mm | Mm |
305 | 12 | 19 | 3 |
330 | 13 | 25 | 3 |
355 | 14 | 38 | 3 |
410 | 15 | 38~50 | 3 |
435 | 17 | 57 | 3;3.5;;4 |
460 | 18 | 38~63 | 3;3.5;4 |
485 | 19 | 57 | 3.5;4 |
510 | 20 | 44~70Â | 3.5;4;5 |
535 | 21 | 63-70 | 3.5;4;5 |
560 | 22 | 54~89 | 4;5;6 |
585 | 23 | 79~90 | 4;5;6 |
610 | 24 | 63~108 | 4;5;6 |
660 | 26 | 86~115 | 5;6;7;8 |
710 | 28 | 100~130 | 5,6,78 |
760 | 30 | 120~135 | 6,7,8,10,12 |
810 | 32 | 120~140 | 8;10;12 |
910 | 36 | 120-200 | 8,10,12 |


chemical composition of our 65Mn steel
composition | C | Mn | Si | S | P | Ni | Cr | Cu | Nb |
contents % | 0.62~0.70 | 0.90~1.2 | 0.17~0.37 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.025 | __ |
Shpping term :
1.FOBÂ Lianyungang port
2CNF or CIF your port
3Â Others
Payment term:
1.By T/T. 30% prepaid , 70% before delivery or on sight of BL copy
2.By L/C if your quantity is big
Â
Â
Product Description
Harrow discs:
1. Diameter: 3'' to 36''
2. Thickness: 3mm to 12mm
3 Hardness: 38 to 46HRC
4 Model: Flat and notch
There is an existing advanced productiion line of forging ,casting ,maching,heat treatmentÂ
in the company.The products export to Europe,America,Astrailia,Southest Asia and otherÂ
countries and regions all the year round and enjoy good fames in the user.
Main specifications:
Â
Diameter | Concavity  | Thickness | |
mm | inch | mm | Mm |
305 | 12 | 19 | 3 |
330 | 13 | 25 | 3 |
355 | 14 | 38 | 3 |
410 | 15 | 38~50 | 3 |
435 | 17 | 57 | 3;3.5;;4 |
460 | 18 | 38~63 | 3;3.5;4 |
485 | 19 | 57 | 3.5;4 |
510 | 20 | 44~70Â | 3.5;4;5 |
535 | 21 | 63-70 | 3.5;4;5 |
560 | 22 | 54~89 | 4;5;6 |
585 | 23 | 79~90 | 4;5;6 |
610 | 24 | 63~108 | 4;5;6 |
660 | 26 | 86~115 | 5;6;7;8 |
710 | 28 | 100~130 | 5,6,78 |
760 | 30 | 120~135 | 6,7,8,10,12 |
810 | 32 | 120~140 | 8;10;12 |
910 | 36 | 120-200 | 8,10,12 |


chemical composition of our 65Mn steel
composition | C | Mn | Si | S | P | Ni | Cr | Cu | Nb |
contents % | 0.62~0.70 | 0.90~1.2 | 0.17~0.37 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.025 | __ |
Shpping term :
1.FOBÂ Lianyungang port
2CNF or CIF your port
3Â Others
Payment term:
1.By T/T. 30% prepaid , 70% before delivery or on sight of BL copy
2.By L/C if your quantity is big
Â
Â
Rongke smelter furnace is in series connection SCR type Induction Furnace.Rongke furnace specialized in design and manufacturing medium frequency induction furnace since 2013, now we have over 300 sets of smelting system running around the world and yearly revenue over 100 million CNY, every year our sales are expanding at least 1.5 times over last year and factory area too is enlarging every two years. now the factory is covering over 15000 sqm. Among the 110 employees we have 20 R&D engineers.
Steel Smelter Furnace,smelter furnace,melting furnace,induction furnace
FOSHAN RONGKE INDUSTRIAL ELECTRIC FURNACE CO.,LTD , https://www.rongke-industrial.com