Expertly crafted from high-quality SAE 4140 steel, our forged round bars come in a wide array of dimensions and can be tailored to meet your exact specifications. These bars are the perfect choice for demanding applications such as gears, piston pins, crankshafts, and shafts, where durability and precision are paramount.
Dimensions: Ranging from Dia 50-500mm. Steel Type: Available in AISI 4140, GB 42CrMo4, DIN 1.7225, JIS SCM440. Chemical Composition: C 0.38-0.43, Si 0.15-0.35, Mn 0.75-1.00, P ≤0.035, S ≤0.040, Cr 0.80-1.10, Mo 0.15-0.25. Key Characteristics: Boasting high hardenability, exceptional toughness, superior torsional and fatigue strength, making it ideal for gears, piston pins, crankshafts, shafts, vehicles, engines, and machine applications.
| Size of AISI 4140 (Can be Customised) |
| Round Bar |
Diameter(mm): |
Hot Forged: φ50-500 |
Length(mm):2500-5000 |
| Hot Rolled:≤50mm |
|
| Steel Plate |
Thickness(mm): |
Hot Forged:≥20mm |
Width(mm):20-810 mm |
| Hot Rolled:≤20mm |
|
| Steel Type |
| AISI |
GB |
DIN |
JIS |
| 4140 |
42CrMo4 |
1.7225 |
SCM440 |
| Chemical Composition |
| C |
Si |
Mn |
P |
S |
Cr |
Mo |
| 0.38-0.43 |
0.15-0.35 |
0.75-1.00 |
≤0.035 |
≤0.040 |
0.80-1.10 |
0.15-0.25 |
| Characteristics: |
| 1.High hardenability and good toughness; |
| 2.Good torsional strength and good fatigue strength. |
| Applications: |
| 1.Excellent material for gears, piston pins, crankshafts,and shafts; |
| 2.Vehicles, engines and machines; |
| 3. For parts of larger cross-sections, crankshafts, gears. |
| Noted |
| (1) Payment: 1.By confirmed, 100% valum irrevocable, letter of credit without recourse, Allowing partial shipment and transhipment, payable at sight presentation of shipping. |
| 2.By T/T payment: 30% payment in deposited, 70% payment before shipment. |
| (2) Delivery Time : 40 days after received the buyer's L/C or T/T deposite payment. |
| (3) Delivery Port :Wuhan/Shanghai/Tianjin |
| (4) Original Place : Shaanxi ,China . |
| (5) Process: Electric furnace melted, forged and annealed, round bar turned. |
| (6) Tolerance: Dia -0/+ 0~5mm, Thickness -0/+ 0~5mm, Width: -0/+ 0~10mm. |
| (7) Hardness: Annealed HBS 217 max |
| (8) UT Test: SEP 1921/84/2 C/c class. |
| (9) Allowance on quantity/weight: -/+ 10% per item. |
| (10) Package: Seaworthy Packing. |
Enjoy flexible shipping terms with negotiable fees and delivery dates. Our products are securely packed for sea transport, ensuring they reach you safely. Choose from delivery ports in Wuhan, Shanghai, or Tianjin. Expect your order within 40 days post-payment. A 10% allowance on quantity/weight per item guarantees flexibility in your order.
Benefit from secure transactions reinforced by SSL encryption and PCI DSS compliance. Our standard refund policy covers scenarios such as unshipped orders, missing products, or item issues, providing you with peace of mind.
Introducing SHAANXI HUAWEI TECHNOLOGIES CO.,LTD, a seasoned player with over a decade of experience, based in the dynamic region of Shaanxi province, China.
Q: What is the minimum order quantity?
A: 1 ton.
Q: What is the payment method?
A: By confirmed, 100% value irrevocable letter of credit or T/T payment with 30% deposit and 70% before shipment.
Q: What is the delivery time?
A: 40 days after receiving the buyer's L/C or T/T deposit payment.
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