4340 alloy steel plate/sheet
4340 is a low alloy, nickel chromium molybdenum steel capable of
being heat treated to high strength levels. The alloy has a good
combination of ducility, toughness and strength along with high
hardenability.
The Specialty Steel Products are available upon request and all
stock is subject to mill availability. SDJS Steel representative
will assist all customer requests for these products.
Delivery Condition
AR(As Hot Rolled), N(Normalized), T(Tempered), Q(Quenched), TMCP,
Q+T(Quenched and Tempered), UT(Ultrasonic Test:ASTM A435,ASTM
A578-C/B/A,EN10160-S0E1,S1E2,S2E3,S3E4), Impact Test, PWHT(Post
Weld Heat Treatment), HIC, Z Test(Z15, Z25, Z35)
Chemical Composition of 4340 alloy steel sheet
| C | CO | CR | MN | MO | NI | P | SI | S |
0.38 - 0.43 | |
0.70 - 0.90 |
0.65 - 0.85 |
0.20 - 0.30 |
1.65 - 2.00 |
0.04 Max. |
0.04 Max. |
0.15 - 0.30 |
Mechanical Properties of 4340 alloy steel plate
| Grade | tensile streng Reh -MPa | Yield Strength -MPa | Elongation -δ5% | Section shrinkage -% |
| A4340 | 745 | 470 | 22% | 55% |
Steel products delivery guarantee:
1. According to the standard of container shipment.
2. Steel packaging is moistureproof and abrasionproof.
3. The ship is low safety risk, arrives quickly, and delivery in
time.
1.DO you have factory?
We act as main distributors of goverment owned mills, and we have
our own machining centers for cutting and simple machining jobs.
2.Where is your factory?
Our representative mills located in Henan, Shangdong, Jiangxi,
Guangdong provinces,etc.
3.Can you send us the sample?
It should be according to our stock status and samples are
available when we have suitable stocks.
4.How about the delivery time?
Normally we can keep 40 days in average with mill run schedule, for
stocks within 10 days. All delivery terms are on basis to Chinese
loading port.
5.What payment terms can you accept?
T/T or L/C. For special requests about the payment, please indicate
us first then we will check the availability.
7, What is your MOQ?
MOQ for mill run should meet 5tons per size in normal condtions,
which should follow the schedules of our mills when inquiry time.
8, What is your shipping port?
Tianjin, Shanghai, Qingdao, etc. All loading ports in China are ok
for us.
9,Could i visit the factory by myself?
Surely you can, please inform us your plan in advance so we can
arrange some people to take you have a look around our mills/
factories.
10.Can you give me the Manufactory Test Certificate?
For sure we can supply some samples for your reference.
