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Forged Steel Round Bar AISI 4140, 4340, 8620, 1045, 1020

Dongguan City Boyunte Metal Co., Ltd.

Forged Steel Round Bar AISI 4140, 4340, 8620, 1045, 1020

Packaging Details : in Bundles

Payment Terms : L/C, T/T

Place of Origin : China

Trade Terms : FOB

Production Capacity : 50000 Tons Per Month

Brand Name : BoYunte

Standard : AISI

Main Markets : Global

HS Code : 7228300000

Category : Square Steel

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SAE 1045 4140 4340 8620 8640 1020 Alloy Steel Round Bars
Delivery condition: Hot-rolled, black surface
Chemical composition of 4140 steel round bar:
C: 0.38~0.45 Si: ‰¤ 0.40 Mn: 0.60~0.90 S: ‰¤ 0.035 P: ‰¤ 0.035 Cr: 0.90~1.20 Ni: ‰¤ 0.030 Cu: ‰¤ 0.030 Mo: 0.15~0.30
1. Chemical composition of 4340 steel round bar:
C: 0.38~0.43 Si: 0.15~0.35 Mn: 0.60~0.90 S: ‰¤ 0.040 P: ‰¤ 0.035 Cr: 0.60~0.90 Ni: 1.65~2.00 Cu: ‰¤ 0.025 Mo: 0.20~0.30
2. Chemical composition of 8620 steel round bar:
C: 0.18~0.23 Si: 0.15~0.35 Mn: 0.70~0.90 S: ‰¤ 0.035 P: ‰¤ 0.035 Cr: 0.40~0.60 Ni: 0.40~0.70 Cu: ‰¤ 0.030 Mo: 0.15~0.25
3. Process of steel round bar: EAF + LF + VD + Forged + Heat Treatment (optional)
4. Delivery condition of steel round bar: EAF, black
5. Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
7. Test of steel round bar: Ultrasonic test according to SEP 1921-84 3C/c
8. Material details will be as per agreed technical specifications
9. 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.
10. Marking of steel round bar: Heat No. Will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted.&

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