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Factory Price Steel Round Bar Din1.2344 Sae 1.2344 Bars

Factory Price Steel Round Bar Din1.2344 Sae 1.2344 Bars photo-1
Negotiable MOQ: 25 Metric Tons (Price negotiable depending on order volume and customization)
Key Specifications
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Brand Name:
youjia
Place of Origin:
China
Type:
Alloy Steel Bar
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin
Delivery Detail:
15 days
Brand Name youjia
Place of Origin China
Type Alloy Steel Bar
Application Tool Steel Bar
Technique Forged
Standard GB
Alloy Or Not Is Alloy
Dimensions 8mm--1110mm
Special Use Mold Steel
Steel Grade 42CrMo
  • Specifications of  Round Steel Rod / Bar

 

Standard:  AISI, JIS, DIN, GB

 

Grade:    4140, SCM440, 1.7225, 42CrMo

 

Diameter: Round steel bar 60-800mm

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

 

Length: 2-12m or as required

 

Technique: Hot Rolled, Forged

 

Surface:  Black surface/ Grinded/ Machined

 

GB DIN AISI JIS
42CrMo 1.7225  4140 SCM440

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.

 

 

Chemical Composition
  • Chemical composition of Round Steel Rod / Bar

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

 

Production Flow
  •  Produce Process of  Round Steel Rod / Bar

 

Electric arc furnace meltingrefining furnacevacuum treatment furnace

cast ingotsteel ingot anneal→ heating → high-speed forging, refining

forgingannel,retarded cooling,air coolingquenching and tempering

treatmentfinishing operation→test→finished products


Product Tags: alloy-steel round bar , 42CrMo steel bar , forged mold steel bar

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Business Type
Manufacturer
Year Established
2015
Factory Size
5,000-10,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million