Characteristics of steel grade 17G1S-U
Steel 17G1S-U is a structural low alloy higher strength steel that is used for general purpose structures intended for welding, bolting and riveting. Chemical composition of the steel meets the requirements of GOST 1928.
Classification: Structural low alloy steel.
Products: Semi-finished products, forgings, stamped parts, thin-gauge rolled steel and other products.
Chemical composition of steel grade 17G1S-U (heat analysis) according to GOST 19281, %
| С | Si | Mn | Ni | S | P | Cr | Cu | V |
| 0.15-0.20 | 0.40-0.60 | 1.15-1.55 | ≤ 0.30 | ≤0.035 | ≤0.030 | ≤0.30 | ≤0.30 | ≤0.012 |
Mechanical properties of steel 17G1S-U at Т=20ºС
| Product range | Tensile strength, MPa | Yield strength, MPa | Elongation, % |
| Steel plate/sheet, ТU 14-1-1950-2004 | 510-650 | 365-490 | 22-23 |
Equivalents of steel grade 17G1S-U
| Japan | SM490A, SM490B, SM490C, SM490YA, SM490YB, SM50A, SM520B, SM520C, STK490, STKM16C, STKR490 |
| Canada | 350W, 350WT |
| European Union | 1.0117, Fe52CFN, Fe52DFN, S335J0, S355J2G3 |
| China | 16Mn, 16MnDR, 16Mng, 16MnL, 16MnR, HP345 |
| South Korea | STKM16C |
Application:
Steel grade 17G1S-U is used to make welded steel structures, tubes and connecting elements of main pipelines including flanges, tees, pipe elbows, fittings, etc.
Welding
No welding restrictions.
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