60*50*5000mm 70*60*3500mm 70*60*4000mm
80*70*3500mm 80*70*4000mm 80*70*5500mm
80*70*7500mm 90*80*2000mm 90*80*3500mm
90*80*5500mm 90*80*7500mm 90*75*7500mm
100*90*2000mm 100*90*3500mm 100*90*5500mm
100*90*7000mm 100*90*7500mm 100*85*7500mm
110*100*2000mm 110*100*3500mm 110*100*5500mm
110*100*7000mm 110*95*7500mm 120*110*3500mm
120*110*4500mm 120*110*5500mm
CHEMICAL COMPOSITION(%) | ||||||||||
| ||||||||||
Steel Grade | C% | Mn% | Si% | S% | P% | V% | Ni% | Cr% | Mo% | Cu% |
1010 | 0.07-0.13 | 0.3-0.6 | 0.17-0.37 | ≤0.015 | ≤0.025 | ≤0.08 |
| ≤0.15 | ≤0.15 |
|
1020 | 0.18-0.23 | 0.3-0.6 | 0.17-0.37 | ≤0.015 | ≤0.025 | ≤0.08 |
| ≤0.15 | ≤0.15 |
|
ST52 | ≤0.18 | ≤1.7 | ≤0.5 | ≤0.025 | ≤0.03 | ≤0.15 | ≤0.5 | ≤0.3 | ≤0.1 | ≤0.3 |
MECHANICAL PROPERTIES | |||||
| |||||
Material | Tensile Strength | Yield Strength | Elogation | CHARPY | CONDITION |
1010 | 335 | 205 | 24 | - | Normalized |
1020 | 410 | 245 | 20 | - | Normalized |
ST52 | 470-630 | 345 | 20 | - | Normalized |
SUPPLY CONDITION | Ground and chrome plated |
CHROME THICKNESS | 20 to 30 micron |
SURFACE ROUGHNESS | Ra≤0.2 micron and Rt≤2 micro |
TOLERANCE ON DIA | ISO f7 on the diameter |
OVALITY | Half of the tolerance ISO f7 |
STRAGHNESS | ≤0.2MM/M |
SURFACE HARDNEDD | 850-1150 HV(vickers 100g) |
COHESION | No craks,breaking or detaching after thermic shock (warming up at 3200 celsius degrees and cooling in water) |
POROSITY | Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10 |
CORROSION RESISTANCE | Test in natural salt spray according to ASTM B117-120hours |
Results evaluation | accordin to ISO4540 RATING7-10 |
WELDABILITY | Good |
PACKING | Anti rust oil to be applied on material and each rod to be packed in paper sleeve |
CERTIFICATE | All certificate related with material heat treatment and plating is required |
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