Name: sae1045/4140 forging steel hollow shaft used for mining machines
Specifications
1.4140/1.7225/42CrMo4/SCM440/EN19
2.good price and fast delivery time
3.large stocks
Equivalent grades
| GB | DIN | AISI | JIS |
| 42CrMo | 1.7225 | 4140 | SCM440 |
Chemical Composition
| C | Si | Mn | Cr | Mo | P | S |
| 0.38-0.43 | 0.40max | 0.60-0.90 | 0.90-1.20 | 0.15-0.30 | ≤0.035 | ≤0.035 |
Available size
| Round steel bar 60-800mm |
| Flat steel bar 25-400mm*200-800mm |
Surface condition
| Black surface/ Grinded/ Machined |
Hardness
Characteristics
| 4140 Alloy Steel/SAE 4140 Steel Price is engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability. |
Applications
| 4140 Alloy Steel/SAE 4140 Steel Price is use to produce components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering . |
Heat treatment
| Forging | Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc. |
| Annealing | Heat to 830°C-850°C.Cool in furnace. |
| Normalizing | Heat to 870°C-900°C.Cool in still air. |
| Stress Relieving | Annealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air. |
| Hardening | Heat to 830°C-880°C. Quench in oil or polymer. |
| Tempering | Heat to 450°C-700°C cool in still air. NB. Tempering within the range 200°C-420°C will result in temper brittleness and should be avoided. |
Steel Grades We can Supply
Cold work tool steel
DIN 1.2067, 1.2080, 1.2363, 1.2379, 1.2436, 1.2510, 1.2550, 1.2746, 1.2767, 1.2842, etc.
AISI L1, L3, D3, D2, D6, A2, A5, O1, O2, 6F7, etc.
JIS SUJ2, SKD1, SKD11, SKD12, SNCM2, DC53(DAIDO), etc.
Hot work tool steel
DIN 1.2343, 1.2344, 1.2365, 1.2367, 1.2581, 1.2714, 1.2885, etc.
AISI H10, H10A, H11, H12, H13, H21, L6, S7
JIS SKD61, SKT4, etc.
Plastci mould steel
DIN 1.2083, 1.2085, 1.2311, 1.2312, 1.2316, 1.2738, etc.
AISI 420, P20, P20+S, P20+Ni, etc.
DAIDO NAK80
High speed tool steel
DIN 1.3343, 1.3355/ AISI M2, T1.
Alloy steel
AISI/SAE 4140, 4130, 4340, 8620, 8640, etc.
We sincerely hope establishing long and friendly business relations with clients from all over the world. Our goal is not just providing product, but also providing a complete solution including product design, tooling, fabrication and service for our customers to achieve their upmost satisfaction.
Forging weight is from 50 kg to 20 ton. Many kinds of materials, free size.
Smelting Process: EF+LF + VD+VC The process as follow: Ingot → Heat → Forging → Heat treatment (Normalizing+ tempering) → Inspection → Rough machining→ UT → 2th Heat treatment → Finishing machining → Inspection
Applications: The heavy forging: Forged ring, shaft, roller, flange, or gear is widely used for various industries For example: Metallurgy, mining, power station and so on.
Specifications:
Description
The heavy forging: Forged ring, shaft, roller, flange, or gear
Material
Alloy steel or stainless steel
Material standard
ASTM or GB/T3077-1999
Specification
As per specified requirements
Weight
Max. 250 ton
Smelting Process:
EF+LF + VD+VC
Process
Ingot→ Heat → Forging → Heat treatment (Normalizing+ tempering) → Inspection
→ Rough machining→ UT → 2ND Heat treatment → Finishing machining → Inspection
UT standard
EN10228, ASTM A388 or JB/T 5000.15-1998
Competitive Advantage:
The heavy forging is manufactured by large scale stated enterprise. Advanced technical process from smelting steel to forging and heat treat guarantees the product quality. Closed relationship with several famous stated enterprises guarantee "in-time delivery" and competitive price.
Excellent product quality and service, competitive price, "in-time" delivery
