Product Description
| Product Name |
SAE4140 steel plate ASTM A519 4140 alloy steel plate factory price |
| Alloy or not |
alloy |
| Process Method |
Hot roll, cold roll, cold drawn, ect. |
| Other processing method |
Cutting, bending, punching, or as customer's request |
| Size |
Thickness from 0.15mm-300mm, width from 50mm-3500mm, length from 1m-12m or according to customer's special request |
| Material grade |
4140 |
| Standard |
ASTM A519 |
| Surface |
mild steel plain finish, hot dip galvanized, color coated, ect. |
| Size Tolerance |
+/- 1%~3% |
| Yield Strength |
250~600 MPa |
| Tensile Strength |
350~800 MPa |
| Certificate |
API,ISO,SGS,BV,etc |
| Capacity |
5000 tons/month, for non-standard customized products please discuss with us |
| Delivery terms |
FOB / CIF / CFR / DAP or discuss with us for other terms |
Chemical composition of 4140 steel:
| C |
Si |
Mn |
P |
S |
Cr |
Mo |
| 0.38 - 0.45 |
max 0.4 |
0.6 - 0.9 |
max 0.025 |
max 0.035 |
0.9 - 1.2 |
0.15 - 0.3 |
Mechanical properties of 4140 steel:
| Nominal diameter (mm): |
to 16 |
16 - 40 |
40 - 100 |
100 - 160 |
160 - 250 |
250 - 330 |
330 - 660 |
|
| Rm - Tensile strength (MPa) (+QT) |
1100-1300 |
1000-1200 |
900-1100 |
800-950 |
750-900 |
700 |
600 |
| Nominal thickness (mm): |
0.3 - 3 |
|
| Rm - Tensile strength (MPa) (+A) |
620 |
|
| Rm - Tensile strength (MPa) (+AC) |
630 |
| Nominal thickness (mm): |
to 8 |
8 - 20 |
20 - 50 |
50 - 80 |
|
| Rm - Tensile strength (MPa) (+QT) |
1100 |
1000 |
900 |
800 |
|
| Rm - Tensile strength (MPa) (+C) |
720 |
|
| Rm - Tensile strength (MPa) (+LC) |
670 |
| Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; |
to 16 |
16 - 40 |
40 - 100 |
100 - 160 |
160 - 330 |
330 - 660 |
|
Re - Upper yield strength or
Rp0.2 - 0.2% proof strength (MPa) (+QT) |
900 |
750 |
650 |
500-550 |
460-500 |
390 |
| Nominal thickness(mm): |
0.3 - 3 |
|
| Rp0.2 0.2% proof strength (MPa) (+A) |
480 |
|
| KV - Impact energy (J) longitud., (+QT) |
+20°
30-35 |
|
| KV - Impact energy (J) transverse, (+QT) |
+20°
22 |
| Nominal thickness (mm): |
0.3 - 3 |
|
| A - Min. elongation Lo = 80 mm (%) (+A) |
15 |
|
| A - Min. elongation at fracture (%) transverse, (+QT) |
10-14 |
|
| A - Min. elongation at fracture (%) (+C) |
4 |
|
| A - Min. elongation at fracture (%) (+LC) |
6 |
| Nominal thickness (mm): |
to 16 |
16 - 40 |
40 - 100 |
100 - 160 |
160 - 250 |
|
| A - Min. elongation Lo = 5,65 √ So (%) (+QT), round products |
10 |
11 |
12 |
13 |
14 |
| Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60; 60-100; 100-160; |
to 16 |
16 - 40 |
40 - 100 |
100 - 160 |
160 - 250 |
|
| Z - Reduction in cross section on fracture (%) (+QT) |
40 |
45 |
50 |
50 |
55 |
|
| Z - Reduction in cross section on fracture (%) (+AC) |
57 |
| Brinell hardness (HBW): (+S) |
255 |
| Brinell hardness (HBW): (+A) |
241 |
| Vickers hardness ( HV): (+A) |
195 |
| Vickers hardness ( HV): (+QT) |
340 - 490 |
Part of 4140 steel plate:
Product method:
Quality Inspection:
Packing and transportation:
A corner of warehouse:
Q: Are you trading company or manufacturer ?
A: We are professional manufacturer for steel plate,and our company also is a very professional and technical foreign trade company for steel products.We have more export experience with competitive price and best after-sales service.Apart from this,we can provide a wide range of steel products to meet the requirement of customer.
Q: Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time no matter if the price change lot or not.Honesty is our company's tenet.
Q: Do you provide samples ? is it free or extra ?
A: The sample could can provide for customer with free,but the freight will be covered by customer account.The sample freight will be returned to customer account after we cooperate.
Q: How can I get your quotation as soon as possible?
A: The email and fax will be checked within 24 hours,meanwhile,the Skype,Wechat and WhatsApp will be online in 24 hours.Please send us your requirement and order information,specification(Steel grade,size,quantity,destination port),we will work out a best price soon.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment or paid against copy of B/L within 5 working days.100% Irrevocable L/C at sight is favorable payment term as well.
Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
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