Low carbon and low alloy steel plate, 6-100mm thick, Q235, Q345.
Q235: C: 0.12-0.22, Si: 0.30-0.70, Mn: 0.30 max, P: 0.045 max, S: 0.045 max.
Q345A(B): C<=0.20,Mn1.0-1.6, Si<=0.55, S<=0.035, AL>=0.015, V 0.02-015, Nb 0.015-0.06, Ti 0.02-0.2.
Pressure vessel and Boiler plate
6-100mm thick, 20G, 20R, 16MnG, 16MnR, 17MnR.
20G: C<=0.20,Si0.15-0.30,Mn0.50-0.90,P<=0.035,S<=0.035;
20R: C<=0.20,Si0.15-0.30,Mn0.40-0.90,P<=0.035,S<=0.030.
16MnG:C<=0.20,Si0.20-0.55,Mn1.20-1.60,P<=0.035,S<=0.030;
Hull structure steel plate
6-100mm thick, A,B,D,A32,D32,A36,D36.
A: C<=0.21,Si<=0.50,Mn>=2.*C,P<=0.035,S<=0.035;
B: C<=0.21,Si<=0.35,Mn0.80-1.20,P<=0.035,S<=0.035;
D: C<=0.21,Si<=0.35,Mn0.60-1.20,P<=0.035,S<=0.035,Al>=0.015;
A32: C<=0.18,Si<=0.50,Mn0.90-1.60,P<=0.035,S<=0.035,Al>=0.015,Nb0.02-0.05,V0.05-0.10,Ti<=0.02;
D32: C<=0.18,Si<=0.50,Mn0.90-1.60,P<=0.035,S<=0.035,Al>=0.015,Nb0.02-0.05,V0.05-0.10,Ti<=0.02;
A36: C<=0.18,Si<=0.50,Mn0.90-1.60,P<=0.035,S<=0.035,Al>=0.015,Nb0.02-0.05,V0.05-0.10,Ti<=0.02;
D36: C<=0.18,Si<=0.50,Mn0.90-1.60,P<=0.035,S<=0.035,Al>=0.015,Nb0.02-0.05,V0.05-0.10,Ti<=0.02.
Bridge steel plate
6-100mm thick, Q345qC, Q345qD, Q345qE, Q370qC, Q370qD, WQ490D, WQ490E, 14MnN; Q/WG(ZB)02, GB/T714 (BS 0025, DIN10025, JIS G3106).
Q345qC: C<=0.20, Si<=0.60, Mn1.0-1.6, P<=0.035,S<=0.035, Ceq0.43;
Q345qD: C<=0.18, Si<=0.60, Mn1.1-1.6, P<=0.025,S<=0.025, Al>=0.015, Ceq0.43;
Q345qE: C<=0.17, Si<=0.50, Mn1.2-1.6, P<=0.02,S<=0.015, Al>=0.015, Ceq0.43.
Line pipe of oil and natural gas steel plate
8-26mm, thick, A205, S240, S290, S315, S360, S385, S415, S450, GB/T14164-1993.
S205: C<=0.17, Si<=0.35, Mn0.30-0.90, P<=0.030, S<=0.030;
S450: C<=0.20, Si<=0.40, Mn0.80-1.40, P<=0.030, S<=0.030.
Automobile frames steel plate
2.0-16.0mm thick, BG450C, BG380CL, FAS355L, BG510L
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