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4135
Qilu
Product Description
AISI 4135 JIS SCM435 GB 35CrMo Hot Forged Alloy Steel Round Bar
1: 4135 Steel Introduction
AISI 4135 is an alloy structural steel commonly used for the manufacture of high-strength and high-toughness components, especially in oil drilling, chemical equipment, boiler components, forgings and pressure vessels. The steel is heat-treated to achieve good overall mechanical properties, and the excellent properties of AISI 4135 alloy steel make it an ideal choice for the manufacture of high-strength and high-toughness components, especially in applications where high pressures and temperatures are required.
4135 Steel Stock In Warehouse
2: 4135 Quality Standard
AISI 4135 steel according to ASTM A29.
3: 4135 Steel Equivalent
| Country | China | Japan | USA |
| Standard | GB/T 3077 | JIS G4105/JIS | AISI/ASTM ASTM A29 |
| Grade | 35CrMo | SCM435 | 4135 |
4: 4135 Steel Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 4135 | 0.33-0.38 | 0.15-0.35 | 0.70-0.90 | 0.035 | 0.040 | 0.80-1.10 | 0.15-0.25 | 0.03 |
| SCM435 | 0.33-0.38 | 0.15-0.35 | 0.60-0.90 | 0.03 | 0.030 | 0.90-1.20 | 0.15-0.30 | 0.25 |
| 35CrMo | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.035 | 0.035 | 0.80-1.10 | 0.15-0.25 | 0.30 |
5: 4135 Steel Mechanical Properties
The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.
6: 4135 Steel Overviews
| Size | Round | Dia 6-1200mm |
| Plate/Flat/Block | Thickness 6mm-500mm | |
| Width 20mm-1000mm | ||
| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
| Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | |
| Delivery condition | Forged; Hot rolled; Cold drawn | |
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | |
| Payment terms | T/T;L/C;/Money gram/ Paypal | |
| Trade terms | FOB; CIF; C&F; etc.. | |
| Delivery time | 30-45 days | |
7: 4135 Steel Application
4135 steel is widely used in the following fields due to its excellent properties:
Mechanical Constructions: e.g. transmission parts for vehicles and engines.
Turbine Generators: rotors, main shafts.
Drive Shafts for Heavy Loads
Plastic Molds: large molds requiring a certain degree of strength and toughness.
Petroleum Industry: perforators, etc.
Chemical Equipment: parts that work at high temperatures.
8: 4135 Steel Heat Treatment
Hardening: at 850°C, followed by oil cooling.
Tempering: at 550°C, either water-cooled or oil-cooled.
9: 4135 Steel Tolerance
Diameter(mm) | Tolerance | ||
Forged Steel Round Bar | 80-600 | Black Surface:0~+5 | Rough Machined or Turned:0~+3 |
650-1200 | Black Surface:0~+15 | Rough Machined or Turned:0~+3 | |
Hot Rolled Steel Round Bar | 16-310 | Black Surface:0~+1 | Peeled:H11 |
Cold Drawn Steel Round Bar | 6-100 | Black Surface:H11 | Peeled:H11 |
10: Delivery Condition
For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.
