1141
Qilu
Product Description
AISI 1141 44Mn28 SUM43 Cold Drawn Steel Round Bar
1: 1141 Steel Introduction
1141 is high sulfur medium carbon free-cutting steel, which has better cutting performance. Compared with 45# steel, ASTM1141 can increase tool life by four times, increase productivity by 30%, and has higher strength and hardness.
1141 steel Stock in warehouse
2: 44Mn28 Quality Standard
EN10277-1 2008-ENG Bright-steel-products-—-Technical-delivery-conditions-—-Part-1-General.pdf 3: 1141 Steel Equivalent
| Country | China | Japan | Germany | USA |
| Standard | GB | JIS | DIN (W-Nr.) EN 10277 | AISI/ASTM |
| Grade | Y40Mn | SUM43 | 44Mn28 | 1141/1144 |
4: 1141 Steel Chemical Composition
| Grade | C | Mn | P | S |
| 1141/1144 | 0.37-0.45 | 1.35-1.65 | 0.04 | 0.08-0.13 |
| SUM43 | 0.37-0.45 | 1.20-1.55 | 0.05 | 0.20-0.30 |
| Y40Mn | 0.37-0.45 | 1.20-1.55 | 0.04 | 0.20-0.30 |
5: 1141 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: 1141 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: 1141 Steel Application
1141 is suitable for machining parts requiring high rigidity, such as lead screw, polished rod, rack and spline shaft, etc.
8: 1141 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 |
9: 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.
