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Cold Rolled Hot Rolled Alloy Steel Sheet Black Surface Grinded Machined For Ship

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Cold Rolled Hot Rolled Alloy Steel Sheet Black Surface Grinded Machined For Ship

Country/Region	china
City & Province	jiangsu
Categories	Metal Electroplating Machinery

Product Details

Alloy Steel Plate Black Surface / Grinded / Machined for Application of Ship Plate

Product Description

42crmo4/4140/1.7225/scm 440 alloy steel plate

Equivalent Grades

GBDINAISIJIS

42CrMo1.7225 4140SCM440

Characteristics

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

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 .

Chemical Composition

CSiMnCr MoPS

0.38-0.430.40max0.60-0.900.90-1.200.15-0.30≤0.035≤0.035

Available size

Round steel bar 10-800mm

Flat steel bar 10-400mm*200-2200mm

Surface condition

Black surface/ Grinded/ Machined

Hardness

Annealed HBS 217 max

Heat treatment

Forging Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.