Atmospheric Corrosion Resistant Steel
Atmospheric Corrosion Resistant Steel
Main Application
Plates of Grade Q235NHA/B/C/D/E, Q295(G)NHA/B/C/D/E, Q355(G)NH A/B/C/D/E have excellent anti-atmospheric corrosion attribute, and are mainly used in vehicles, buildings, bridges and other industries.
Delivery Conditions
TMCP, hot rolled, and normalized ect.
Steel Grades
Category | Standard | Grade | Remarks |
Chinese standards |
GB/T 4171 | Q235NHA/B/C/D/E、Q295（G）NHA/B/C/D/E、Q355（G NHA/B/C/D/E | Atmospheric corrosion resisting structural steel |
GB/T 28907 |
Q315NS、Q345NS | Sulfuric acid dew-point corrosion resistant steel plates and strips | |
Foreign standards |
JIS G3125 |
SPA-H | Superior atmospheric corrosion resisting rolled plates |
Chemical Composition Maximum (%)
Grade | C | Si | Mn | P | S | Others |
Q235NHA/B/C/D/E | 0.13 | 0.10～0.40 | 0.20～0.60 | 0.030 | 0.030 | Moderate |
Q295GNHA/B/C/D/E | 0.15 | 0.10～0.50 | 0.30～1.00 | 0.030 | 0.030 | Moderate |
Q355GNHA/B/C/D/E | 0.16 | 0.50 | 0.50～1.50 | 0.030 | 0.030 | Moderate |
Q295GNHA/B/C/D/E | 0.12 | 0.10～0.40 | 0.20～0.50 | 0.07～0.12 | 0.020 | Moderate |
Q355GNHA/B/C/D/E | 0.12 | 0.25～0.75 | 1.00 | 0.07～0.15 | 0.020 | Moderate |
Q315NS | 0.15 | 0.55 | 1.50 | 0.035 | 0.035 | Moderate |
Q345NS | 0.15 | 0.55 | 1.50 | 0.035 | 0.0305 | Moderate |
Mechanical Properties
Grade |
Yield Strength Rel, MPa |
Tensile Strength Rm, MPa |
Elongation A, % | Impact Absorbed Energy,Akv, J (Longitudinal) |
Bend 180° | |
Temp, ℃ | J | |||||
Q235NHA/B/C/D/E | ≥235 | 360～510 | 25 | - 20 0 -20 -40 | - ≥47 ≥34 ≥34 ≥27 | OK |
Q295（G）NHA/B/C/D/E | ≥295 | 430～560 | 24 | OK | ||
Q355（G）NHA/B/C/D/E | ≥355 | 490～630 | 22 | OK | ||
Q315NS | ≥315 | ≥440 | ≥22 | - | - | OK |
Q345NS | ≥345 | ≥470 | ≥20 | - | - | OK |
Typical Mechanical Properties
Grade |
Yield Strength Rel, MPa |
Tensile Strength Rm, MPa |
Elongation A, % | Impact Absorbed Energy,Akv, (Longitudinal) |
Bend 180° | |
Temp, ℃ | J | |||||
Q235NHE | ≥270 | ≥390 | ≥32 | -40 | ≥120 | OK |
Q295(G)NHE | ≥310 | ≥490 | ≥30 | -40 | ≥120 | OK |
Q355(G)NHE | ≥380 | ≥550 | ≥26 | -40 | ≥160 | OK |
Q315NS | ≥350 | ≥475 | ≥25 | - | - | OK |
Q345NS | ≥375 | ≥50 | ≥24 | - | - | OK |
电话直呼
在线客服
在线留言
发送邮件
企业位置
- 联系我们：
- 13837130337
- 18937583775
- 客户经理
-
-
- 还可输入字符250（限制字符250）