SPECIFICATIONS - steelmax
SPECIFICATIONS
PRODUCT SPECIFICATIONS
(Structural Steel and Sheet Pile)
|Type of |Classifications |Mechanical Properties |
|Product | | |
| | |Yield Point |
| | |N/mm2 (min.) |
| |- |Carbon Equivalent (%) = C+Mn/6 + (Cr +Mo+V)/5 + (Ni +Cu)/15 (AS,ASTM Standard) |
| |- |Chemical Composition on sensitivity of welding crack =C + Si/30 +Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/10 + 5B |
| |- |Bend test on material grades SS400, SS490, SS540 |
| |- |Additional chemical composition controls for material under grade A992 are as follows: |
| | |Ni (max) = 0.45 , Cr (max.) =0.35 , Mo(max) =0.15 and mn/S (min.) = 20 |
| |* |: Nitrogen control exclude. |
| |[pi|SM 400 is suitable for welded structure . / เกรด SM400 เป็นเกรดที่เหมาะสำหรับโตรงสร้างที่มีการเชื่อม |
| |c] | |
| |- |SS 400 is suitable for general structure. /เกรด SS400 เป็นเกรดที่เหมาะสำหรับโครงสร้างทั่วไป |
SPECIFICATIONS
PRODUCT SPECIFICATIONS
(Structural Steel and Sheet Pile)
|Classifications |Chemical Compositions (ladle analysis) |
| |C |Si |
| |(ma|(max.) |
| |x.)| |
| |B :|Impact test on material grades 43B, 50B, S275JR with thickness > 12mm. at 20 ํC |
| |C :|It is permissible to vary the carbon and manganese contents (ladle analysis) for grades 50B and 50C on the basis of an increase |
| | |of 0.06% manganese content for each decrease of 0.01% carbon or vice versa up to maximum manganese content of 1.60% and maximum |
| | |carbon of 0.22% for grades 50B and 50C. |
| |D :|The yield radio (max.) for all thickness of materials under grades A992 is 85% |
| |E :|For grades 50 steel of thickness 20mmand under , the tensile strength shall be a minimum of 485 N/mm2. |
| |F :|A maximum of manganese of 1.50% is permissible , with an associated reduction of the carbon maximum of 0.03% |
| |G :|For the h section, when the t1 s 9mm or less, the upper limit of the yield point or proof stress shall not be applied. |
| |H :|For the H section , when the t1 is 9mm or less, the upper limit of the yield radio shall be 85% |
| | | |
| |- |Material under TIS compulsory standard are for domestic use only , while materials under other standards are for exportation. |
| | | |
| |[pi|SM 400 is suitable for welded structure . / เกรด SM400 เป็นเกรดที่เหมาะสำหรับโตรงสร้างที่มีการเชื่อม |
| |c] | |
| |- |SS 400 is suitable for general structure. /เกรด SS400 เป็นเกรดที่เหมาะสำหรับโครงสร้างทั่วไป |
TOLERANCES
TIS1227 : 1996
|TIS 1227-1996 |
|(HOT ROLLED H - SECTIONS) |
|Dimension |Tolerance |Remark |
|Depth (H) |H ................
................
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