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SCCrM3

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SCCrM3 properties and heat treatment forged piece, Including SCCrM3 application and specifications, We have all specifications,Including SCCrM3 steel plate, SCCrM3 sheet, SCCrM3 square steel, SCCrM3 flat bar,SCCrM3 round bar,SCCrM3 forgings, we can own production and sales.


Introduction to Our Products:

Specialized high quality steel

We have the advantages of equipment, technologies and price

forged/hot rolling/ extrusion of steel


We can produce the SCCrM3 has the following specifications:

Round bar steel: 1mm to 3000mm

Square-shape steel: 1mm to 2000mm

Plate steel:0.1mm to 2500mm

Width: 10mm to 2500mm

Lenth: We can supply any lenth based on the customer's requirement.

Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.

Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement

Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.

Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.

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Chemical composition % of the ladle analysis of grade SCCrM3 and Standards

Characteristics for grade 35KHM ( 35ХМ ).

Grade :     35KHM   ( 35ХМ )
      Substitute:   40Х, 40ХН, 30ХМ, 35ХГСА
      Classification :   Relaxation-resistant steel

Chemical composition in % for grade 35KHM ( 35ХМ )
GOST 4543 - 71

C Si Mn Ni S P Cr Mo Cu
0.32 - 0.4 0.17 - 0.37 0.4 - 0.7 max   0.3 max   0.035 max   0.035 0.8 - 1.1 0.15 - 0.25 max   0.3

Temperature of critical points for grade   35KHM   ( 35ХМ ).

 

Mechanical properties under Т=20oС for grade 35KHM ( 35ХМ )
 

Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 4543-71 Ø 25   930 835 12 45 780 Guenching and drawing
Forging max thickness 100 longitudinal 950 750 13 42 650 Guenching 850 - 880oC, oil, Drawing 585 - 650oC,
Forging max thickness 120 longitudinal 900 710 13 42 650 Guenching 850 - 880oC, oil, Drawing 585 - 650oC,
Forging max thickness 150 longitudinal 800 600 14 45 650 Guenching 850 - 880oC, oil, Drawing 585 - 650oC,
Forging max thickness 200 longitudinal 700 500 16 45 600 Guenching 850 - 880oC, oil, Drawing 585 - 650oC,

 

Brinell hardness for grade     35KHM   ( 35ХМ )   (annealing) ,       GOST 4543-71 HB 10 -1= 241   MPa

T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m
20 2.18     7820   328
100 2.16 12.3 40.6 7800 462 360
200   12.6 39.8 7770    
300 2.05 12.9 38.5 7740   425
400 1.95 13.9 37.3 7700   523
500 1.86 14.4   7660   628
600   14.6        
T E 10- 5 a 10 6 l r C R 10 9

 

Technological properties for grade   35KHM   ( 35ХМ )

 

Weldability: limited weldability.
 Flakes : predisposed
Temper brittleness: not predisposed

USA Germany Japan France England European Italy Belgium Spain China Sweden Bulgaria Hungary Poland Romania Czechia Finland Austria South Korea
- DIN,WNr JIS AFNOR BS EN UNI NBN UNE GB SS BDS MSZ PN STAS CSN SFS ONORM KS
4135
4135H
4137
4137H
G41300
G41350
G41370
J13048
1.7220
34CrMo4
34CrMoS4
42CrMo4
GS-34CrMo4
SCCrM3
SCM3
SCM430
SCM432
SCM435
SCM435H
SCM440H
34CD4
34CD4FF
34CrMo4
34CrMo4RR
35CD4
38CD4
34CrMo4
708A37
34CrMo4
34CrMo4KD
42CrMo4
30CrMo4
34CrMo4
34CrMo4KB
35CrMo4
35CrMo4F
34CrMo4
34CrMo4
35CrMo4
35CrMo4DF
AM34CrMo4
F.1250
F.1254
F.8231
F.8331
35CrMo
ML35CrMo
ZG35CrMo
2234
30ChML
34CrMo4
35ChM
34CrMo4
CMo3Z
35HM
35HMA
L35HM
33MoCr11
34MoCr11
34MoCr11AS
34MoCr11q
15131
G-34CrMo4
BOHLERV330
SCCrM3
SCM432
SCM435
SCM435H
SCM435TK

 

Ac1 = 755 ,      Ac3(Acm) = 800 ,       Ar3(Arcm) = 750 ,       Ar1 = 695




Machining performance

Download SCCrM3 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>


Principal Design Features

One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.


Machinability

Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.


Heat Treatment

CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.


Welding

Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.


Forging

Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.





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