热轧板卷

    
     涟钢采用世界一流的设备、先进的工艺技术和科学的管理,保证了热轧板带产品几何尺寸精确、板形良好、表面质量和机械性能优良。
     涟钢热轧产品主要按国标GB、日标JIS标准组织生产、检验和供货。根据用户要求也可按德国标准DIN、美国标准ASTM、国际标准ISO等标准组织生产及供货。
    Lian Yuan Steel utilizes first-class equipments,advanced techniques and scientific management to guarantee the accurate dimension， nice profile,highquality surface condition and good mechanical property of the hot-rolled coil.sheet and strip products.
   The Hot-rolled products of Ly Steel are usually manufactured ,inspected and supplied according to the Chinese national standard(GB) or the Japanese standard(JIS).On request of customers,the cargo can also be made available in accordance with such standards as the German standard(DIN),the American standard(ASTM) or the international standard(ISO).
     热轧板卷品种 VARIETIES OF THE HOT-ROLLED　COLES
     一般结构和焊接结构用板卷 Coils for general structural and welding structural applications

主要产品牌号、用途及执行标准 steel grades,applications and production standards  

执行标准
Production Standards		 牌号
Steel grades		 典型用途
Typical application		 产品特点
Product Features
GB700 Q195 Q235 建筑、桥梁、工程机械、
车辆及其它结构件
as Structural components in
 buildings,bridges,machinery,
automobile,etc		 具有较好的综合机械性能，满足结构件加工、焊接的一般要求nice comprehensive mechanical property:satisfying general demands of machining and welding of structural components.
GB1591 Q345 建筑、桥梁、工程机械、
大型设备等高强度构件
as high-strength structural 
components in buildings,
bridges,engineering machinery,
large-volume units,etc.		 强度高、综合机械性能好High strength and nice synthetic mechanical property.
JIS 3101 SS330
SS400
SS490		 建筑、桥梁、工程机械、
车辆及其它结构件as 
structural components in buildings,bridges,machinery,
mechanism,automobile,etc.		 具有良好的综合机械性能，满足结构件加工、焊接的一般要求nice synthetic mechanical property;satisfying general demands of machining and welding of structural components.
JIS G 3132 SPHT1 SPHT2 SPHT3 焊接钢管
For welded steel pipe		 具有良好的综合机械性能和焊接工艺性能，尺寸精确、板形好nice synthetic mechanical property and welding property;accurate dimension and nice profile.
JISG3106 SM400  SM490 Sm520 建筑、桥梁、工程机械、车辆等
要求焊接性能优良的结构件
as structural components in buildings,bridges,engineering machinery,automobiles,etc,
which call for nice welding property.		 具有良好的力学性能和焊接工艺性能nice mechanical property and welding property.
GB/T6653 HP295  HP325 HP345 压力容器（如液化气钢瓶、
乙炔气钢瓶等）Pressure vessel (such as liquefied gas cylinder and acetylene gas cylinder,etc.)		 具有良好的室温综合机械性能和焊接工艺性能及较高温度下的力学性能，塑性好，冷弯成型性能优良nice synthetic mechanical property at room temperature;nice welding property;nice mechanical property at higher temperature;nice plasticity and forming capability.

热轧结构用钢化学成分、力学及工艺性能 
Chemical composition,mechanical and technological property of the hot rolled steel for structural uses     

 
牌号 化学成分（熔炼分析）%
Chemical Composition(heat analysis)%		 力学性能
Mechanical Properties 		 冷弯弯心直径
Cold bending
diameter		 V型冲击
V-impact20℃≥（J）
steel grades
  C%≤ Si%≤ Mn%≤ P%≤ S%≤ δs Mpa≥ δb Mpa≥ δ%≥    
≤5mm >5mm    
Q195 0.06-0.12 0.3 0.25-0.50 0.045 0.05 195 315-430 33 0.5α -
Q235A 0.14-0.22 0.3 0.30-0.65 0.045 0.05 235 375-500 26 1.5α -
Q235B 0.12-0.20 0.3 0.30-0.70 0.045 0.045 235 375-500 26 α 27
Q235C ≤0.18 0.3 0.35-0.80 0.04 0.04 235 375-500 26 α 0℃27
Q255A 0.18-0.28 0.3 0.40-0.70 0.045 0.05 255 410-550 24 2α -
Q255B 0.18-0.28 0.3 0.40-0.70 0.045 0.045 255 410-550 24 2α 27
Q345A 0.14-0.20 0.55 1.00-1.60 0.015 0.045 345 470-630 21 2α -
Q345B 0.14-0.20 0.55 1.00-1.60 0.045 0.04 345 470-630 21 2α 34
Q345C ≤0.20 0.55 1.00-1.60 0.035 0.035 345 470-630 22 2α 0℃34
08 0.05-0.11 0.17-0.37 0.35-0.65 0.025 0.012 195 325 33 - -
SS330 0.1   0.05 0.05 205 330-430 26 21 0.5α  
SS400 0.21 0.1   0.05 0.05 245 400-510 21 17 1.5α  
SS490 0.22 0.2 1.3 0.05 0.05 285 490-610 19 15 2α  
SM400A ≤0.23   ≥2.5C 0.035 0.035 245 400-510 23 18 3α -
SM400B ≤0.20 0.35 0.60-1.40 0.035 0.035 245 400-510 23 18 3α 0℃27
SM490B ≤0.020 0.55 1.6 0.035 0.035 325 490-610 22 17 3α 0℃27
SM490C ≤0.08 0.55 1.6 0.035 0.035 325 490-610 22 17 4α 0℃27
SPTH1 0.10 0.35 0.5 0.04 0.04 - 270 32 35 帖紧Pressure of metal-to-metal sticking -
SPTH2 0.18 0.35 0.6 0.04 0.04 - 340 25 30 1α -
SPTH3 0.25 0.3 0.30-0.90 0.04 0.04 - 410 22 25 1.5α -
HP295 0.08 0.35 1 0.025 0.01 295 440 26 2α 常温 Normal temperature
HP325 0.08 0.35 1.5 0.025 0.01 325 490 21 2α 常温 Normal temperature27
HP345 0.08 0.35 1.5 0.025 0.01 345 510 20 2α 常温 Normal temperature27

冷成型用热轧低碳板卷
Hot-rolled low-carbon Coils for Cold-forming
主要产品牌号、用途及执行标准
steel grades,applications and production standards

执行标准 牌号 典型用途 产品特点
JISG 3131 SPHC 一般冷加工General cold working 钢质洁净高度、成分稳定，晶粒细小、组织性能均匀，表面质量好，尺寸精确、板形好，能满足一般程度冷加工成型或高难度成型high steel purity stable composition,fine crystal grain,even structure property,high-quality surface,accurate dimension and nice profile.Satisfying general cold forming and more difficult cold forming at common degree.
SPHD 冲压加工Press wording
SPHE 深冲压加工Deep drawing working

化学成分、力学及工艺性能 Chemical composition,mechanical and technological property  

牌号Steel grades 化学成分（熔炼分析）% 力学性能 冷弯弯心直径
Chemical Composition (Heat analysis)% Mechanical Properties Cold bending diameter
C%≤ Si%≤ Mn%≤ P%≤ S%≤ δsMpa≥ δbMpa≥ δ%≥
SPHC 0.15 0.1 0.6 0.05 0.05 -- 270 27 贴紧Pressure of metal-to-metal sticking
SPHD 0.1 0.08 0.5 0.04 0.04 -- 270 30 --
SPHE 0.1 0.03 0.5 0.03 0.035 -- 270 31 --

冷轧用板卷 Coil for cold rolling
主要产品牌号、用途及执行标准steel grades,applications and production standards 

执行标准 Production Standards 牌号
Steel grades		 典型用途
Typical applications		 产品特点
Product Features
JISG3141 SPCC

SPCD

SPCE		 用于生产各种级别（CQ、DQ、DDQ）的冷轧板（带）for manufacturing all levels(CQ、DQ、DDQ)of cold-rooled sheet and strip 钢质洁净度高、性能稳定、同板（长、宽方向）材质均匀，良好的延展性，好的表面质量，优良的板形及尺寸精度high steel purity,stable composition,even material of the same sheet(length and width direction),desired surface quality,and profile,accurate dimension.

化学成分、力学及工艺性能 Chemical composition,mechanical and technological property    

牌号
Steel grades		 化学成分（熔炼分析）% 力学性能
Chemical Composition (Heat analysis)% Mechanical Properties
C%≤ Si%≤ Mn%≤ P%≤ S%≤ δsMpa≥ δbMpa≥ δ%≥
SPCC 0.08 0.1 0.45 0.025 0.012 -- 270 39
SPCD 0.08 0.08 0.4 0.025 0.012 -- 270 41
SPCE 0.08 0.03 0.4 0.025 0.012 -- 270 43

高耐候和焊接结构用耐候板卷 High Climate-resistant coils and Climate-resistant Coils for Welded structure
主要产品牌号、用途及执行标准Steel grades,applications and production satandards     

执行标准 Production Standards 牌号
Steel grades		 典型用途
Typical applications		 产品特点
Product Features
GB/T4172-2000 Q235NH 用于桥梁、建筑、高速公路护梁、铁路货车厢板、及交通运输机械结构件等as structural components in bridges,buildings guard girder of freeway,lorry gate and traffic machinery,etc. 具有良好的综合机械性能、焊接工艺性能及耐大气腐蚀性能（或高耐大气腐蚀性能），裂纹敏感性小，加工成型性能好，尺寸精确，板形好，以及良好的表面质量nice synthetic mechanical property. nice welding property;nice atmospheric corrosion-resistant property (or high atmospheric corrosion-resistant property), tiny crack sensitivity, nice machine shaping property, accurate dimension, nice profile and surface quality.
Q295NH
Q355NH
GB/T4171-2000 Q295GNH/GNHL 用于制造铁路客货车、冷藏车、工程机械等结构件，及集装箱、化工设备、石油井架构件等as structural components of railway carriage, refrigerator car, engineering machinery,container,chemical processing equipment and oil derrick etc.
Q345GNH/GNHL
Q390GNH
SPA-H

化学成分、力学及工艺性能 Chemical composition,mechanical and technological property   

牌号Steel grades 化学成分（熔炼分析）% 力学性能 冷弯弯心直径Cold bending diameter<5mm
Chemical Composition (Heat analysis)% Mechanical Properties >5mm
C%≤ Si%≤ Mn%≤ P%≤ S%≤ Cu%≤ C%≤r Ni%≤ δsMpa≥ δbMpa≥ δ%≥
Q235NH 0.15 0.15-0.40 0.20-0.60 0.035 0.035 0.20-0.50 0.40-0.80 --- 235 360-490 25 α 2α
Q295NH 0.15 0.15-0.50 0.60-1.00 0.035 0.035 0.20-0.50 0.40-0.80 --- 295 420-560 24 α 2α
Q355NH 0.16 0.5 0.90-1.50 0.035 0.035 0.20-0.50 0.40-0.80 --- 355 490-630 22 α
Q295GNH 0.12 0.20-0.40 0.20-0.60 0.07-0.15 0.035 0.25-0.55 --- --- 295 390 24 α 2α
Q295GNHL 0.12 0.10-0.40 0.20-0.50 0.07-0.12 0.035 0.25-0.45 0.30-0.65 0.25-0.50 295 430 24 α 2α
Q345GNH 0.12 0.20-0.60 0.50-0.90 0.07-0.12 0.035 0.25-0.50 --- --- 345 440 22 α 2α
Q345GNHL 0.12 0.25-0.75 0.20-0.50 0.07-0.15 0.035 0.25-0.55 0.30-1.25 0.65 345 480 22 α 2α

管线用板卷(Coils for Pipeline)
主要产品牌号、用途及执行标准 steel grades,applications and production standards

执行标准 Production Standards 牌号Steel grades 典型用途Typical applications 产品特点Product Features
GB/T14164-1993(API 5L) S290(X42) 石油、天然气远程输送用管线钢卷，用于制造埋弧焊接钢管及直缝电阻焊钢管for pipeline for long-distance transportation of oil, natural gas. for hidden arc welding steel pipe and straight resistance welding steel pipe. 具有良好的综合机械性能、低温韧性及焊接性能，且材质、性能均匀稳定nice mechanical property;nice tenacity at low temperature, nice welding property, even and stable material property.
S315(X46)
S360(X52)
S385(X56)

化学成分、力学及工艺性能 Chemical composition mechanical and technological property   

牌号Steel grades 化学成分（熔炼分析）% 力学性能 V型冲击 V-impact
Chemical Composition (Heat analysis)% Mechanical Properties 0℃≥（J）
C%≤ Si%≤ Mn%≤ P%≤ S%≤ V Nb δsMpa≥ δbMpa≥ δ%≥
Ti
X42 0.18-0.22 0.15-0.30 0.70-1.20 0.025 0.01 可添加 290-495 415 27 27
X46 0.18-0.22 0.15-0.30 0.70-1.30 0.025 0.01 320-520 435 26 2
X52 0.18-0.22 0.15-0.30 0.70-1.30 0.025 0.01 360-530 455 24 31
X56 0.16-0.20 0.15-0.30 0.70-1.40 0.025 0.01 390-545 490 23 31
X60 0.16-0.20 0.15-0.30 0.70-1.40 0.025 0.01 415-565 520 22 31

汽车结构用板卷 Coils for Automobile structure
主要产品牌号、用途及执行标准 steel grades,applications and production standards   

执行标准 
Production Standards		 牌号
Steel grades		 典型用途
Typical applications		 产品特点
Product Features
JIS G 3113 SAPH310 汽车车轮轮幅、轮辋、大梁、车箱底板、边框架及其它结构件structural components of wheel spoke, structural components of wheel spoke, wheel rim,girder,crossbeam,
soleplate and frame of automobile,etc.		 具有较好的综合机械性能、表面质量、板形和尺寸精度，较好加工成型性能，冲压不开裂，冲废率低nice synthetic mechanical property, nice machine shaping property, accurate dimension, nice profile and surface quality no crack under pressing and low waste ratio.
SAPH370
SAPH400

化学成分、力学及工艺性能 Chemical composition,mechanical and technological property   

牌号Steel grades 化学成分（熔炼分析）% 力学性能 冷弯弯心直径

Cold bending

diameter		 V型冲击V-impact20℃≥（J）
Chemical Composition (Heat analysis)% Mechanical Properties
C%≤ Si%≤ Mn%≤ P%≤ S%≤ δsMpa≥ δbMpa≥ δ%≥
≤5mm >5mm
SAPH310 0.08 0.08 0.45 0.025 0.012 185 310 40 贴紧Pressure of metal-to-metal sticking ---
SAPH370 0.08 0.25 0.75 0.025 0.012 255 370 37 1α ---
SAPH400 0.08 0.35 1.2 0.025 0.012 255 400 36 2α ---

产品尺寸、外形及供货Measurements, appearance and supply
产品规格范围 Range of Product Specification   

成品厚度mm Thickness mm 宽度mm 钢卷外径mm 最大卷重(t) 最小卷重(t) Minimum coil Weight (t) 卷内径mm
Width mm Outer Diameter mm Maximum coil Weight (t) Inner Diameter mm
0.8-12.7 900-1600 1000-1950 29.6 5 762/610

厚度精度 Thickness Accuracy  

公称厚度mm 下列宽度时的允许偏差 mm Permissible deviation of the following breadth (mm)
Nominal thickness(mm) ≤1000 >1000-1600
普通轧制精度normal rolling precision 较高轧制精度 普通轧制精度