Carbon Steel Hot Rolled 1045 Q235 Q345 Q355 S45c Hot Rolling Steel Square Flat Bar Stocks
Laiwu Xincheng Metal Co., Ltd.- Standard：AISI, JIS, ASTM, DIN, BS, GB
- Certification：UL, ABS, RoHS
- Technique：Hot Rolled
- Wall Thickness：Thick
- Surface Treatment：Hot Rolled
- Alloy：Non-alloy
Base Info
- Model NO.：Hot Rolled Steel flat bar square bar
- Products：St52-3 St52 Hot Rolled Steel Flat Bar for Crane Ra
- Sizes：10X10mm to 150 X150mm
- Surface：Hot Rolled Black
- MOQ：5tons Per Size
- Delivery Time：7-25 Days
- Shape：Rectangular Bar
- Advantage：Good Straightness, Smooth Surface
- Transport Package：Standard Sea Worthy
- Specification：30X50, 40X60, 40X70 and so on
- Origin：China
- Production Capacity：3000tons,Month
Description
European UnionGB Standard Steel Standard Steel Standard Steel (Steel number) Steel DIN 17100: 1980 St 52 / St 52-3 ASTM A572/A572M Grade 50 EN 10025-2: 2005 S355JR Q345
2.ST52-3 Q345 Steel chemical composition
3.Mechanical property of ST52-3 Q345 Steel
Yield strength (≥ N/mm2); Thickness (d) mm
Tensile Strength(≥ N/mm2);
Our Factory is with more than 20 years of steel rolling history. There are two production plants with an annual production capacity of more than 50,000 tons and annual sales of more than 150 million yuan. Leading products are hot-rolled flat steel, square steel and profiled steel, widely used in curtain walls, steel structures, automobiles, shipbuilding, metallurgy, power, chains, cold drawing, machining, engineering machinery, concrete machinery, highways, large tunnels, Bridge, urban rail transit, high-speed railway and other industries. Our markets are all over the world such as the United of Emirates, Saudi Arab, Oman, South Korea, Vietnam, Malaysia, India, Pakistan, New Zealand, Australia, Italy, Romania, the United states, Argentina and so on.
2.ST52-3 Q345 Steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
| Q345 / ST52-3 | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | 0.035 | ≤0.30 | ≤0.50 | ≤0.30 |
3.Mechanical property of ST52-3 Q345 Steel
Yield strength (≥ N/mm2); Thickness (d) mm
| Steel (Steel number) | d≤16 | 16< d ≤40 | 40< d ≤63 | 63< d ≤80 | 80< d ≤100 | >100 |
| St52-3 | 355 | 345 | 335 | 325 | 315 | by agreement |
Tensile Strength(≥ N/mm2);
| Steel (Steel number) | d<3 | 3 ≤ d ≤ 100 | >100 |
| St 52-3 | 515-680 | 490-630 | by agreement |
Our Factory is with more than 20 years of steel rolling history. There are two production plants with an annual production capacity of more than 50,000 tons and annual sales of more than 150 million yuan. Leading products are hot-rolled flat steel, square steel and profiled steel, widely used in curtain walls, steel structures, automobiles, shipbuilding, metallurgy, power, chains, cold drawing, machining, engineering machinery, concrete machinery, highways, large tunnels, Bridge, urban rail transit, high-speed railway and other industries. Our markets are all over the world such as the United of Emirates, Saudi Arab, Oman, South Korea, Vietnam, Malaysia, India, Pakistan, New Zealand, Australia, Italy, Romania, the United states, Argentina and so on.