CNBM International Corporation >> Scm440 Alloy Steel 42CrMo4 Round Bars

Scm440 Alloy Steel 42CrMo4 Round Bars

Scm440 Alloy Steel 42CrMo4 Round Bars
Supplier: CNBM International Corporation
Price: Negotiable/Piece
Min Order: 2/Ton
Quantity::
Trade Terms: FOB,CFR,CIF
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Product Specifications

Prod Model: SCM440, 42CrMo, 4140, 42CrMo4
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Diameter: 12mm-800mm
Delivery Condition: Heat Treatment or Not
Heat Treatment: Normalizing, Anealing, Tempering, Quenching
Type: Round
Standard: BS
Technique: Hot Rolled
Surface Treatment: Galvanized
Composition: Ferrous Steel Scrap
Special Use: Mold Steel
Application: Tool Steel Bar

Product Description

SCM440 Alloy Steel 42CrMo4 Round Bars
 
Specification
Equivalent grades                                              

GB
DINAISIJIS
42CrMo1.7225 4140SCM440

 
Chemical Composition                                                                                     

C
SiMnCr MoPS
0.38-0.430.40max0.60-0.900.90-1.200.15-0.30≤0.035≤0.035

 
Available size                                                                                    

 Round steel bar: 12mm -800mm

 Flat steel bar: 25-400mm*200-800mm                                                                

 
Surface condition                                                                          

Black surface/ Grinded/ Machined

 
Hardness                                                               

Annealed HBS 217 max

 
Characteristics                                                                                

SCM440/ 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                                                                                      

SCM440/ 4140 Alloy Steel/SAE 4140 Steel Price  is use to producecomponents 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.
AnnealingHeat to 830°C-850°C.Cool in furnace.
NormalisingHeat to 870°C-900°C.Cool in still air.
Stress RelievingAnnealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air.
HardeningHeat to 830°C-880°C. Quench in oil or polymer.
TemperingHeat 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.
 
 
Contact Information

Company Name
CNBM International Corporation
Mobile0086- 15862367840


ContactPearl Fu

CNBM (China National Building Material) Group is the largest comprehensive building materials group in China that in intergrate scientific research, manufacturing and logistics into one entity. The largest building materials and equipment specialists in China. Upon State Council approval, today CNBM owned more than 300 subordinate manufacturing factories and servicing companies. There are 6 fully owned public listed companies and 11 partially owned with substantial shares public listed companies. In many of these fields, CNBM is playing the leading role in the building industry in the country.

CNBM International Corporation is the most import and export platform of CNBM group. With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

CNBM International is highly recognized by its business partners and clients all over the world and has obtained rapid development under the spirit of win-win. Depending on the support of prodution divisions and its active staff, CNBM international reached a turnover of USD one billion in 2010. We will carry on the mutual beneficial, create value for our employees, share holders and clients and benefit the whole society in our future development.

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