
Q235 Q345 B C D E cold rolled / hot rolled alloy steel plate thickness 6 - 80mm
Q345B/C/D/E
1)Standard:GB
2)Thickness:6-80mm
3)Width:1600-3200mm
4)Length:6000-14000mm
5))High quality low price
Chemical Constituent(WT%)
C | Si | Mn | P | S | V | Nb | Al | Ti | |
Q345A | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.045 | ≤0.045 | 0.02-0.15 | 0.015-0.060 | - | 0.02-0.20 |
Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.040 | ≤0.040 | 0.02-0.15 | 0.015-0.060 | - | 0.02-0.20 |
Q345C | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.035 | ≤0.035 | 0.02-0.15 | 0.015-0.060 | ≥0.015 | 0.02-0.20 |
Q345D | ≤0.18 | ≤0.55 | 1.00-1.60 | ≤0.030 | ≤0.030 | 0.02-0.15 | 0.015-0.060 | ≥0.015 | 0.02-0.20 |
Q345E | ≤0.18 | ≤0.55 | 1.00-1.60 | ≤0.025 | ≤0.025 | 0.02-0.15 | 0.015-0.060 | ≥0.015 | 0.02-0.20 |
Mechanical Properities
thickness | test temperature(°c) | Elongation(%) | proof stress(Mpa) | Tensile strenth(Mpa) | |
Q345A | ≤16 | - | 21 | 345 | 470-630 |
Q345B | ≤16 | 20 | 21 | 345 | 470-630 |
Q345C | 16-35 | 0 | 22 | ≥325 | 470-630 |
Q345D | 35-50 | -20 | 22 | ≥295 | 470-630 |
Q345E | 50-100 | -40 | 22 | ≥275 | 470-630 |
Our products
Product Series | Executive Standard | Grade | Class | Thickness (mm) | Delivery State |
Low-alloy structural steel | GB/T 1591-2008GB/T 3274-2007 | Q345 | A,B | 6~150 | AR |
C,D | 6~150 | CR | |||
E | 6~150 | TMCP | |||
Q390 | A,B,C,D,E | 6~150 | CR | ||
Q420 | 6~150 | TMCP | |||
Q500 | 6~100 | TMCP | |||
Q550 | 6~100 | ||||
Q620 | 6~80 | ||||
Q690 | 6~80 | ||||
GB/T 28410-2012 | Q235FT | B,C,D,E | 5~150 | AR,CR | |
Q275FT | C,D,E,F | 5~150 | AR,CR | ||
Q345FT | C,D,E,F | 5~150 | AR,CR | ||
Q420FT | C,D,E,F | 5~150 | AR,CR | ||
Q460FT | C,D,E,F | 5~150 | AR,CR | ||
EN 10025-4:2004 | S275M/ML | - | 6~60 | TMCP | |
S355M/ML | |||||
S420M/ML | |||||
S460M/ML | |||||
JIS G3106:2008 | SM400 SM490 | A,B,C | 6~150 | AR | |
A,B,C | 6~150 | CR | |||
YA,YB | |||||
SM520 | B,C | 6~80 | TMCP | ||
SM570 | 6~80 | ||||
ASTM A572/A572M-12 | Gr42 | - | 6~150 | AR | |
Gr50 | - | 6~100 | CR | ||
Gr55 | - | 6~100 | |||
Gr60 | - | 6~80 | TMCP |
Mary Peng: +8615852727954 Skype: marypeng1 Wechat: sunny-day1111
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transportation. , Wuxi become the biggest stainless steel sheet ,plate and coil supply Centers in China. Jiangsu Mittel Steel Industrial Limited was established in 1998 years. as one of the largest stockists and manufacturers of industrial grade Stainless Steel products and derivatives in Wuxi ,We keep a stock of 50000 tons every month, so we can delivery goods in fast time.
Our company supplies cold/hot-rolled stainless steel
sheets,stainless steel coils and stainless steel Plate to many
steel factories from athome and abroad, including Shanxi Taigang
Iron& Steel CO, . Ltd (TISCO)Zhangjiagang Pohang (ZPSS),
Shanghai BAO STEEL, Ningbo Baoxin and steel factories in Taiwan
area, Mainland Chinese and foreign countries and regions.
Our long-term business lines are
201.202.304(1.4301).304L.316.316L(1.4404).430.409L, 309S
,310S(1.4845).317L.904L.S31803(1.4462).S32750.S32760, Finish: 2B,
BA, NO. 1 NO. 4, HL, 8K and so on...Meanwhile, our company is also
engaged in the long-term supply of homemade & imported medium
and thick plates, galvanized and carbon steel products.
Adhering to the principle of "quality first and customer
foremost",our company will offer long-term service to nationwide
manufacturers of household appliances, elevators, tableware,
ornaments, tanks and machines. We can offer precise frosted
wiredrawing, 8K mirror finishing and skim board oil-abrasion of
various specifications at any time. The precisely-processed
products will meet your requirements for high quality. Our company
is a modern enterprise integrating distribution and storage.
If you are interested in any of our products or would like to
discuss a custom order, please feel free to contact us. We are
looking forward to forming successful business relationships with
new clients around the world in the near future.