Specifications
hot rolled carbon steel flat bar / flat steel
grade:ASTM,AISI,JIS,GB,DIN
surface:black or bright
Width(mm) | Thickness(mm) | ||||
Size | Size tolerance | Size | Size tolerance | ||
| Normal | Better |
| Normal | Better |
10-50 | +0.5, -1.0 | +0.3, -0.9 | 3-16 | +0.3, -0.5 | +0.2, -0.4 |
50-75 | +0.6, -1.3 | +0.4, -1.2 | 16-60 | +1.5% -3.0% | +1.0% -2.5% |
Grade comparison
GB | Q235 | Q345 | 20# | 40 | 45 | 50 | 55 | 60 |
JIS | SS400 | G3135 SPFC590 | S20C | S40C | S45C | S50C | S55C | S60C |
DIN | S235JR | S355JR | C22 | C40 | Ck45 | C50 | C55 | C60 |
ASTM/AISI/SAE | ASTM A36 | A529A Gr.50 | 1020 | 1040 | 1045 | 1050 | 1055 | 1060 |
Qian’an Rentai Metal Products Co.,Ltd founded in 2011,is located at Qian’an city, Hebei province, the biggest steel product base in North China, which is 240km away from Beijing air port and 200km from Tianjin port.
The unique geographical position makes our company enjoy the abundant mineral resources and the export and import become very convenient.
Our main products include flat bar, steel plate, channels, angle steel, I-beams, H-beams, diamond plate, hot rolled /cold rolled steel plate / coils. Moreover, we can produce special specifications of steel products according to orders, fulfilling all customers’ requests by providing convenient "one-stop" service.
Our company have 7 sets of slitting flat steel production lines, and the year production will be 200,000 tons. 70% of our products (around 140,000 tons) are exported to the countries of Middle East, Europe, America and Asia, such as Iraq, Kuwait, Thailand, Brazil, Vietnam and Korea.
Our company has been certified by ISO9001, and our production process strictly conforms to the international standard of DIN/AISI /JIS/ASTM/BS to ensure the quality. We have passed and got the product quality certificates by BUREAU VERITAS of France.
Our company will always adhere to honesty and trustworthiness for the service concept and continue to meet customer demand for the purpose of, sincerely looks forward to making cooperation with all users and friends from at home and abroad and provides excellent services for you.
1) Competitive price
2) Best quality
3) On time delivery
4)Strong production capacity