“青钢牌”钢筋混凝土用热轧带肋钢筋，执行国家强制性标准GB1499，并有严格的企业内控标准。有国家颁发的生产许可证。产品牌号有HRB335、HRB400（HRB335俗称“Ⅱ级”螺纹钢，HRB400俗称“Ⅲ级”螺纹钢），规格φ6mm～φ32mm，其中：φ6mm～φ10mm的Ⅲ级钢筋，盘重1～2吨；φ12mm～φ32mm的钢筋，定尺长度6mm～12mm。年生产能力50余万吨。产品销往全国市场，并出口国外。
钢筋混凝土用热轧带肋钢筋
| 牌号Grade | 钢种Steel Grade | 规格(mm)Diameter | 执行标准Standard | 用途Application | 交货状态Status on Delivery | 备注Remarks |
| HRB335 | 20MnSi | ∮6、∮8
∮10 |
GB1499.2-2007 | 适用于钢筋混凝土结构
For reinforced concrete structure |
热轧盘卷交货
Hot rolled coil |
高速线材厂轧机生产
Produced by the High Speed Rolling Mill |
| ∮10、∮12
∮14、∮16 ∮18、∮20 ∮22、∮25、∮28、∮32 |
热轧定尺交货，定尺长9m,12m
Hot rolled bar, Length 9m,12m |
小型轧机生产
Produced by the Bar Rolling Mill |
||||
| HRB400 | 20MnSi
20MnSiNb 20MnSiV |
∮6、∮8
∮10、∮12 |
热轧盘卷交货
Hot rolled coil |
高速线材厂轧机生产
Produced by the High Speed Rolling Mill |
||
| ∮12、∮14
∮16、∮18 ∮20、∮22 ∮25、∮28、∮32 |
热轧定尺交货，定尺长9m,12m
Hot rolled bar, Length 9m,12m |
小型轧机生产
Produced by the Bar Rolling Mill |
| 钢筋牌号Reinforced Bar Grade | 化学成分， Chemical Contents % | |||||
| C | Si | Mn | P | S | Ceq | |
| HRB335 | ≤0.25 | ≤0.80 | ≤1.60 | ≤0.045 | ≤0.045 | ≤0.52 |
| HRB400 | ≤0.25 | ≤0.80 | ≤1.60 | ≤0.045 | ≤0.045 | ≤0.54 |
力学性能Mechanical Performance
| 钢筋牌号Reinforced Bar Grade | 公称直径mm
Nominal Diameter mm |
屈服点Yielding Point（σs）MPa | 抗拉强度Tensile Strength（σb）MPa | 伸长率Percent Elongation （δ5） % | 冷弯180° d=弯心直径 a=钢筋公称直径
Cold Bending 180° d=Bending Diameter a=Nominal Diameter of the Reinforced Bar |
| 不小于No Less Than | |||||
| HRB335 | 6 ~ 40 | 335 | 490 | 16 | d=3a |
| HRB400 | 6 ~ 40 | 400 | 570 | 14 | d=4a |
“青钢牌”钢筋混凝土用热轧带肋钢筋，执行国家强制性标准GB1499，并有严格的企业内控标准。有国家颁发的生产许可证。产品牌号有HRB335、HRB400（HRB335俗称“Ⅱ级”螺纹钢，HRB400俗称“Ⅲ级”螺纹钢），规格φ6mm～φ32mm，其中：φ6mm～φ10mm的Ⅲ级钢筋，盘重1～2吨；φ12mm～φ32mm的钢筋，定尺长度6mm～12mm。年生产能力50余万吨。产品销往全国市场，并出口国外。2002年度荣获国家免检产品；2003年度获冶金产品实物质量“金杯奖”；2004年度，由人民日报社市场信息中心授予“中国钢铁市场产品质量用户满意第一品牌”称号。With the production license issued by China, the hot rolled Reinforced Bar for reinforced concrete of QIS Brand is produced under the standard of National Compulsory Standard GB1499 and the strict internal standard of QIS. The diameters of the grade HRB335,HRB400(HRB335 is usually called Grade II rebar, HRB400 is called Grade III rebar) are φ6mm～φ32mm, among which, the coil weight for Grade III Reinforced Bar of φ6mm～φ10mm is 1～2tons, and the cutting length for the reinforced bar of φ12mm～φ32mm is 6mm～12mm. With the annual production of more than 500,000 tons, the products are sold to the domestic market and the market abroad as well. In 2002, it won the title of product exempted from inspection of China, it won “Golden Cup Prize” of metallurgical Product Quality in 2003, and it was awarded with the title of “No.1 Brand of the Customer Satisfactory for Product Quality in Chinese Iron and Steel Market” in 2004 by the Market Information Centre of China Daily Press.
国内许多重要建筑工程都使用过青钢的热轧带肋钢筋，产品化学成分稳定，力学工艺性能好，表面质量优良。深受用户好评。With the advantages of stable chemical contents, excellent mechanical and process performances, good surface quality, the hot rolled reinforced bar produced by QIS is popular to customers and was used by many important construction project in China.