Product Category
Steel number
specification
Processing use
Length of length
Executive standard
high quality
Carbon
Structural steel
Hot rolled steel
10#-70#
20Mn-65Mn
B2 B3 JM20
SH45 S45C C45
Φ12-160
Cutting processing
Thermal processing
Hot forging
4000-9000mm
GB/T699-1999
LGJX34-2008
LGJX02-2009
alloy
Structural steel
Hot rolled steel
30CrMnTi, 20CrMnTi
20-40Cr(A), 30-42CrMo(A)
27SiMn, 40Mn2,
40Mn2H-S 20CrNiMo,
Q345B, 35MnBM, 40MnB,
36Mn2V, 45MnV,
25MnCrNiMoA, 50BA 45BM
Φ12-160
Cutting processing
Thermal processing
Hot forging
4000-9000mm
GB/T3077-1999
GB/T1591-2008
LGJX24-
2007
Guarantee
Hardenability
Structural steel
Hot rolled steel
30CrMnTi / 20CrMoT/
20-40Cr(A)30-42 CrMO(A)
227SiMn, 40Mn2H-S
20CrNiMo, 40Mn2, Q345B,
35MnBM, 40MnB, 36Mn2V,
45MnV, 25MnCrNiMoA,
50BA 45BM
Φ30-150
Hot forging
4000-9000mm
GB/T5216-85,
GB/T5216-2004
Q/LYS220-2006
Q/LYS198-2003
Q/LYS249-2007
Bearing steel
Hot rolled steel
GCr15
GCr15JD
*55SiMoV
Φ12-80
Hot forging
4000-9000mm
GB/T18254-2002
High quality carbon steel round
Low alloy tube
10# 20#
35# 45#
Q345B
Φ50-150
4000-9000mm
YB/T5222-2004
YB/T5222-1999
Oil wells
Gold structural steel round billet
37Mn5, 36Mn2V
Φ50-150
4000-9000mm
YB/T5221-93
Q/LYS248-2007
Spring steel
65Mn 50CrV(A) 60Si2Mn
Φ12-130
4000-9000mm
GB/T1222-84
Ship anchor chain round steel
CM490
CM690 M30Mn2
Φ12-130
Double or 4000-9000mm
YB/T66-1987
GB/T18669-2002
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