国产极品粉嫩福利在线观看_18禁成年无码免费网站_日本高清动作片www网站免费_成在人av抽搐高潮喷水流白浆_18禁女子裸体露私密照无遮挡_十七岁免费观看日本电影_欧美激情中文字幕综合一区_欧美做受三级级视频播放_国产精品日韩先锋资源亚洲_青草影院天堂男人久久

Continuous casting round/square billet
　1. Specifications
 
Category Grade Specification（mm） Production standards
High quality carbon steel 20～45,
SAE1045,
S45C, C45,
C45E,
CK45
and etc.		 Φ300, Φ380, Φ400,
Φ450, Φ500, Φ600
rectangle 200×380,
200×400		 GB, ASTM, JIS, DIN or customer specified requirements
Low alloy steel Q345A
(B, C, D, E)		 Φ300, Φ380, Φ400,
Φ450, Φ500, Φ600
rectangle 200×380,
200×400		 GB, ASTM, JIS, DIN or customer specified requirements
Alloy steel 42CrMoA,
40Cr,  
SCM440,
4140,
42CrMo4
and etc.		 Φ300, Φ380, Φ400,
Φ450, Φ500, Φ600
rectangle 200×380,
200×400		 GB, ASTM, JIS, DIN or customer specified requirements
Pipeline steel 37Mn5, L290,
29Mn2,
12Cr1MoVG,
P91, P92
and etc.		 Φ300, Φ380, Φ400,
Φ450, Φ500, Φ600		 GB or customer specified requirements
Alloy tool steel 5CrMnMo，
5CrNiMo
4Cr5MoSiV1
and etc.		 Φ300, Φ380, Φ400,
Φ450, Φ500, Φ600
rectangle 200×380,
200×400		 GB or customer specified requirements
Railway steel U71Mn, 900A
and etc.		 rectangle 200×380,
200×400		 TB/T2344-2012 or customer specified requirements
 
　2. Product Quality Level
 
Category Grade Chemical component Non-metallic Inclusion Harden
ability
HRC

 

 

 P
≤
(%)		 S
≤
(%)		 [O] 
≤
(ppm)		 A
thin
≤		 A
heavy
≤		 B
thin
≤		 B
heavy
≤		 C
thin
≤		 C
heavy
≤		 D
thin
≤		 D
heavy
≤		 Ds
≤
Carbon steel SAE1045,
S45C,
CK45, 45		 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0

 

 
Alloy steel 42CrMo,
40Cr		 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0 1.5

 
Pipeline steel 37Mn5, L290, 29Mn2, 12Cr1MoVg 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0

 

 
Gear steel 20CrMoH,  20CrMnTiH, 20CrNiMoH 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0

 

 ≤6
SCM420H, SCM822H 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0

 

 ≤6
Spring steel 60Si2CrVA 0.015 0.005 20 1.5 1.0 1.5 1.0 0 0 1.5 1.0

 

 
Bearing steel GCr15 0.015 0.005 10 1.0 0.5 1.0 0.5 0 0 1.0 0.5 1.0