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About Us

VINSAR STEEL is China's leading manufacturer of AISI 5140/41Cr4/SCr440 HOT ROLLED/FORGED/COLD DRAWN STEEL ALLOY ROUND/FLAT/SQUARE/HEXAGONAL BAR with the quickest quotes, best quality products, most competitive prices and fastest possible deliveries about  according to ASTM, AISI, JIS, DIN and other industry standard specifications and customers’ requirements. VINSAR Steel specialize in supplying heavy forging parts with special steel grades and produce AISI 5140/41Cr4/……

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AISI 5140 41Cr4 COLD DRAWN STEEL SQUARE BAR

AISI 5140/41Cr4 COLD DRAWN STEEL SQUARE BAR

AISI 5140/41Cr4 COLD DRAWN STEEL SQUARE BAR is one of the most widely used steel for machinery manufacturing industry which has good comprehensive mechanical properties after quenching and tempering.

HOT ROLLED JIS SUP7 60Si2Mn SPRING STEEL BAR

HOT ROLLED JIS SUP7/60Si2Mn SPRING STEEL BAR

HOT ROLLED JIS SUP7/ 60Si2Mn SPRING STEEL BAR spring steel is high-silicon grade especially designed for its spring properties.

AISI 4340 HOT ROLLED ALLOY STEEL BAR

AISI 4340 HOT ROLLED ALLOY STEEL BAR

AISI 4340 HOT ROLLED ALLOY STEEL BAR is a nickel-chromium-molybdenum alloy steel known for its toughness and its ability to attain high strengths in the heat-treated condition. It has very good fatigue resistance.

ASTM 1045 S45C C45 COLD DRAWN STEEL FLAT BAR

ASTM 1045/S45C/C45 COLD DRAWN STEEL FLAT BAR

ASTM 1045/ S45C/ C45 COLD DRAWN STEEL FLAT BAR is a medium tensile low hardenability carbon steel generally supplied in the black hot rolled or occasionally in the normalized condition.