Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:25 m.t.
Supply Capability:50000 m.t./month
ASTM 4140 Alloy Steel Round Bar
Product Details:
1) Melting process: BOF + LF + VD
2) Heat treatment: Normalized / Annealed / Quenched / Tempered
3) Surface condition: Black surface / Peeled / Turned / Milled
4) Straightness: Max.3mm/1000mm
5) Appearance: Free of cracks, visible inclusions, pit on the appearance;
6) Guarantee: Ultrasonic test according to SEP 1921-84 G3 C/c
7) Certificate of quality: As per EN 10204/3.1B
8) Marking: Grade, Heat No.,Diameter will be stamped one each bar with required color
9) Packing: In bulk reinforced
10) MOQ: 10 tons / Grade / Size
11) Delivery time: 30 days
12) Payment: T/T 30% deposit, 70% balance upon photocopy of B/L copy, or 100% LC at sight.
Designation by Standards
rand Name | Ravne No. | Mat. No. | DIN | EN | AISI |
42CD4 | 514 | 1.7225 | 42CrMo4 | - | 4140 |
Chemical Composition (in weight %)
C | Si | Mn | Cr | Mo | Ni | V | W | Others |
0.39-0.45 | 0.1-0.4 | 0.6-0.9 | 0.9-1.2 | 0.15-0.25 | - | - | - | - |
Application:
Our products have been used in aviation,aerospace,navigation,nuclear energy,chemical industry,
electronic information,machine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments etc.
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