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Quick Details

Alloy Or Not: Is Alloy
Shape: round
Grade: 40CrNiMo / 4340
Standard: AISI,ASTM,BS,DIN,GB,JIS

Specifications

 40CrNiMo / 4340 Alloy Steel Bar

 Packaging & Delivery

Packaging Detail:

Bulk Packing

Delivery Detail:

30 days

Specifications

1.Process:EAF+LF+VD+ Hot Forged
2.Certificate: CCS, ABS,GL, RS,BV,ISO9001
3.Delivery time: 30 days
4.MOQ:20 Tons

Chemical composition (%) :  

Grade 

C

Si

Mn

Cr

Mo

Ni

V

40CrNiMo

0.42 / 0.49

0.17 / 0.37

0.50 / 0.80

0.80 / 1.10

0.20 / 0.30

1.30 / 1.80

0.10 / 0.20

Production Specification:

Material:

forged square steel bar

 

Diameter:

80mm-1200mm

 

Length:

2000mm-12000mm Straightness: 3mm/M max;

square bar.100-1000mm, blocks sizes up to 800*1000mm

 

Process:

EAF + LF + VD +(ESR) + Forged + Heat Treatment (optional)

 

Delivery condition:

Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)

Delivery Time:

30 days

 

MOQ:

20 tons

 

Heat treatment:

Normalized / Annealed / Quenched / tempered

Forged ratio:

no less than 3:1

 

Technical Data:

According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing;forged steel bar en24 available for test

Test:

Ultrasonic test according to SEP 1921-84 G3 C/c

 

Certificate of Quality

issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality

 

Marking:

Grade, heat NO. length will be stamped one each bar with required color

 

Payment:

30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight

 

Application:

Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.