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Shandong Chengshun Metal Materials Co., Ltd.
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Q390B-Q390D hot rolled steel round bars
Product Details
Product introduction
Q390B-Q390D hot rolled steel round bars
GB/T1591 Q390 contains five different steel grades as Q390A,Q390B,Q390C,Q390D and Q390E.Structural steel Q390D shall be done impacting test at low temperature minus 20 degree centigrade.Normalised heat treatment suggested to be done for low alloy steel plate Q390D in heavy thickness.
Product parameters
|
Steel Grade: |
Q390 |
Application: |
High Speed Steel, Tool Steel |
|
Shape: |
Round bar |
Standard: |
AISI, DIN, JIS, GB |
|
Size: |
50mm*50mm-600mm*600MM |
Surface: |
Black, Peeled, Turned, Grinded |
|
Technique: |
Hot rolled, Forged |
Ultrasonic Test: |
100% UT Passed |
Dimensions
|
|
Hot Rolled |
Forged |
|
Size(mm) |
50mm*50mm-600mm*600MM
|
50mm*50mm-600mm*600MM |
|
Length (mm) |
6000 or as required |
1000-6000 |
Chemical and Mechanical
Mechnical property for Q390B low alloy structural steel:
| Thickness (mm) | ||||
| Q390B | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
| Yield strength (≥Mpa) | 390 | 370 | 350 | 330 |
| Tensile strength (Mpa) | 490-650 | |||
Chemical composition for Q390B low alloy structural steel (Heat Analysis Max%)
| Main chemical elements composition of Q390B | |||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Cr | Ni |
| 0.20 | 0.55 | 1.00-1.60 | 0.040 | 0.040 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.30 | 0.70 |
Technical Requirements & Additional Services:
♦ Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578
CUSTOMER TRANSACTION
STORAGE VIDEO
Factory Appearance
Shandong Chengshun Metal Materials Co., Ltd. is located in Jinan City, Shandong Province. It is a comprehensive company dealing in high-quality steel products, with a superior geographical location and very convenient transportation. The company has a complete and scientific quality system, and has been recognized by the industry for its integrity, strength and product quality.
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Tel : +8619153115539
Email : info@chengshunmetal.com
WhatsApp : +8619153115539
Add: 401-32, Floor 4, Building 3, Zhongrun Shijifeng, No. 12111, Jingshi Road, Lixia District, Jinan, Shandong
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