Grade :34CrMo4
Number:1.7220
Classification: Alloy special steel
Our supply size:
Diameter : 80 to 600 mm ;
Length : 1000 to 9000 mm ;
Our advantage:
- High Quality, Reasonable Price
- Over 40 Years Experience
- ISO NQA Certificated Factory
- Worldwide shipping
- Emergency Orders and Fast Delivery
Standard:
EN 10083-3: 2006 Steels for quenching and tempering. alloy steels
EN 10132-3: 2000 Cold rolled narrow steel strip for heat treatment. Steels for quenching and tempering
EN 10263-4: 2001 Steel rod, bars and wire for cold heading and cold extrusion. steels for quenching and tempering
EN 10250-3: 2000 Open steel die forgingsAlloy special steels
EN 10297-1: 2003 Seamless circular steel tubes for mechanical and general engineering purposes.
Equivalent grades of steel 34CrMo4 (1.7220)
| EU | USA | Germany | Japan | France | England | Italy | China | Sweden |
| EN | – | DIN,WNr | JIS | AFNOR | BS | UNI | GB | SS |
| 34CrMo4 | 4135 | 34CrMo4 | SCM435H | 34CD4 | 708A30 | 35CrMo4 | 35CrMo | 2234 |
Chemical composition % of steel 34CrMo4 (1.7220): EN 10083-3-2006
| C | Si | Mn | P | S | Cr | Mo |
| 0.3 – 0.37 | max 0.4 | 0.6 – 0.9 | max 0.025 | max 0.035 | 0.9 – 1.2 | 0.15 – 0.3 |
Application:
Steel grade 34CrMo4 is used for the manufacture of pinion gears for large locomotives, booster drives, high pressure vessels, and pinions exposed to load and spring force. It can also be used for joining the drilling pipes of 2,000 m deep and fishing gear, as well as for bending dies.
Characteristics of steel grade 34CrMo4
Steel grade 34CrMo4 is an alloy steel intended for quenching and tempering and produced according to the requirements of ISO 683-2 and EN 10083-3.
Smelting Option
1 EAF: Electric Arc Furnace
2 EAF+LF+VD: Refined-smelting and vacuum degassing
3 EAF+ESR: Electro Slag Remelting
4 EAF+PESR: protective atmosphere Electro Slag Remelting
5 VIM+PESR: Vacuum induction melting
Forming Option
1 Hot rolling process
2 Hot Forging: Electro-hydraulic; High-speed-hydraulic; Oil-hydraulic; Precision-forging
Heat-treatment Option
1 +A: Annealed (full/soft/spheroidizing)
2 +N: Normalized
3 +NT: Normalized and tempered
4 +QT: Quenched and tempered (water/oil)
Surface Option
1 Black Surface
2 Grounded: Bright but rough ; Not precision
3 Machining for plate: Bright and precision; Little turning scar
4 Peeled/Turned: Bright and precision; Little turning scar
5 Polished: Very Bright and precision size; Not turning scar
Other Services
1 Cutting: Small pieces
2 CNC Machine: Produce as your drawing
3 Package: Bare/Nylon/Canvas/Wooden
4 Payment:T/T, L/C, O/A(request credit)
5 Transport:FOB/CFR/CIF/DDU/DDP (train/ship/Air)
Mill test certificate
EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.
