We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing unit in China with 5 different branches. For a lot more particulars: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828
40cr 41cr4 SAE 5140 / ISO Gr.8.8 Chilly Drawn QT Steel Round Bars
Normal steel GB in China is 40Cr, the German DIN standard substance No. 1.17035/1.7045, German standard DIN quality 41Cr4/42Gr4, EPT quality 18 British regular, the British common BS steel 41Cr4, France AFNOR 42C4 France NF metal regular, standard grade of steel 38Cr4/41Cr4, EPT UNI 41Cr4 Belgium NBN steel normal, normal quality of steel 42Cr4, Sweden SS normal grade 2245. The American AISI/SAE/ASTM common grade 5140, the Japanese JIS normal grade SCr440 (H) /SCr440, the intercontinental group for standardization ISO common metal 41Cr4.
1.40 EPT steel chemical composition:
C:.37~.44
Si:.seventeen~.37
Mn:.50~.80
Cr:.eighty~1.ten
Ni: = .30max
P: = .035 max
S: = .035max
Cu: = .030max
2.Equipped dimensions selection:
Scorching rolled:16mm to 310mm
Q&T steel :10mm to 64mmmm
Chilly drawn steel :8mm to 64mm
three.Quality control:
1.Uncooked materia EPT Processing Line:
Iron – hot metallic pretreatment – Converter – Refining –VD / RH- – Ongoing Casting – Very hot Rolling (KOCKS) – heat — EPT Check – Processing and Distribution Centre
Electric powered Furnace – Refining –VD / RH- – Constant Casting – Scorching Rolling (KOCKS) – warmth — EPT Check out – Processing and Distribution Heart
two.Gas articles stage:O2 – <20 ppm H2 – <2 ppm N2- <100 ppm
3.Grain Measurements:5-8
four. non-metallic inclusions contorlling degree
| A | B | C | D | |
| MAX | MAX | MAX | MAX | |
| Slender | 2 | 2 | two | 2 |
| Thick | 1 | 1 | 1 | one |
four.Gr.8.8 property:
| Tensile Strength | Yield Strength | Elongation | Reduction Area | Hardness |
| Mpa | MpA | % | % | HRC |
| min | max | |||
| 830 | 640 | twelve | fifty two | 35 |
5.Application of 40 EPT 41Cr4 SAE 5140 Gr.8.8 Chilly drawn Q&T Metal Round Bars
Drill collars – Bolts – Subs – Couplings – Reamer bodies – Joints – Shafts – Valves – Sprockets – Axles – Piston rods – Rams – Screws
6.MOQ: 2tons for every size.
seven.Straightness: Max 1mm/m
eight.Payment term: TT LC
We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing unit in China with 5 different branches. For much more particulars: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of unique products manufacturer’s (OEM) portion figures or logos , e.g. CASE® and John Deere® are for reference reasons only and for indicating merchandise use and compatibility. Our company and the shown alternative parts contained herein are not sponsored, accepted, or produced by the OEM.
