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42CrMo / 4142 SCM440 steel bar stock , hot rolled alloy steel round bar

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—— Andrew Greg - Turkey

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We Have Cooperate With this Factory Many Years , Everything Goes Very Well.l Like This Factory !

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Quality is very good and delivery time very fast ,we want to do long terms business with this company

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42CrMo / 4142 SCM440 steel bar stock , hot rolled alloy steel round bar

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Large Image :  42CrMo / 4142 SCM440 steel bar stock , hot rolled alloy steel round bar

Product Details:
Place of Origin: CHINA
Brand Name: TISCO,BAO STEEL
Certification: SGS,ISO
Model Number: 42CrMo / 4142 SCM440
Payment & Shipping Terms:
Minimum Order Quantity: 25 Ton
Price: 650-800 USD/Ton
Packaging Details: Export packing
Delivery Time: 7 days
Payment Terms: T/T or L/C
Supply Ability: 5000 Tons every month

42CrMo / 4142 SCM440 steel bar stock , hot rolled alloy steel round bar

Description
Name: Steel Round Bar Dia: 20-420mm
Length: 6-11m Type: Hot Rolled / Cold Rolled
Alloy Or Not: Alloy Grade: 42CrMo / 4142 SCM440
High Light:

forged steel round bar

,

carbon steel round bars

42CrMo / 4142 SCM440 steel bar stock , hot rolled alloy steel round bar

Specifications

42CrMo / 4140 Steel Round Bar 

ISO9001 certified
Flexible MOQ 
Prompt delivery stock within 7days

MTC DIN10204 3.1/3.2

 

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 

Annealed HBS 217 max

CharacteristicsApplications                                                                                           

42CrMo / 4140 Steel Round Bar is used 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.
Annealing Heat to 830°C-850°C.Cool in furnace.
Normalising 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.

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Contact Details
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Contact Person: Mr. Gao Ben

Tel: +86-18068357371

Fax: 86-0510-88680060

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