The POSCO Quality

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¼±Àç Á¦Ç°Àº ÄÚÀÏ ÇüÅ·Π°¨°ÜÁ® ÀÖÀ¸¸ç µÕ±Ù ´Ü¸éÀÇ Áö¸§Àº 5.5~42mm¿¡ ÇØ´çµË´Ï´Ù.
¿¬¼ÓÁÖÁ¶±â¿¡¼­ »ý»êµÈ ¿¬ÁÖºô·¿(Billet) ¹× ¿¬ÁÖºí·ë(Bloom)À» ¾Ð¿¬ÇÑ °­Æíºô·¿(Billet)À» °í°´»ç°¡ ¿ä±¸ÇÏ´Â ¼öÄ¡·Î ¼±Àç¾Ð¿¬ ÈÄ ³Ã°¢, ±ÇÃë, °Ë»ç°úÁ¤À» °ÅÃÄ Á¦Á¶µË´Ï´Ù.

Æ÷½ºÄÚ´Â ¼±Àç Á¦Ç° »ý»ê¿¡ Ãֽſ¹ ¼³ºñ¿Í ±â¼úÀ» »ç¿ëÇÏ°í ÀÖ½À´Ï´Ù. ¶ÇÇÑ Àü °øÁ¤À» ÄÄÇ»ÅÍ·Î Á¦¾îÇÏ´Â ÀÚµ¿È­ ½Ã½ºÅÛÀ» Àû¿ëÇØ ´Ù¾çÇÑ ±Ô°ÝÀÇ Á¦Ç°À» »ý»êÇÏ°í ÀÖ½À´Ï´Ù. ¼±Àç´Â ÀÚµ¿Â÷ÀÇ ÇÙ½É ºÎÇ°, °Ç¼³ ¹× ±³·® °ÇÃà ÀÚÀç»Ó ¾Æ´Ï¶ó »ê¾÷ Àü¹ÝÀÇ °¡Àå ±âÃÊÀûÀÎ ¼ÒÀç±îÁö ´Ù¾çÇÏ°Ô »ç¿ëµË´Ï´Ù.

½ºÇÁ¸µ¿ë ¼±Àç

½ºÇÁ¸µ¿ë ¼±Àç´Â ÀÚµ¿Â÷ÀÇ Çö°¡ÀåÄ¡¿¡ »ç¿ëµÇ´Â ¼±Àç, ±×¸®°í ¿£Áø ¹ëºê ¶Ç´Â Ŭ·¯Ä¡¿¡ »ç¿ëµÇ´Â ¼±Àç·Î µÎ °¡Áö À¯ÇüÀÌ ÀÖ½À´Ï´Ù. Çö°¡ ½ºÇÁ¸µÀº ÀÚµ¿Â÷ ÁÖÇà Áß ³ë¸é¿¡¼­ Àü´ÞµÇ´Â Ãæ°Ý ¹× Áøµ¿À» Èí¼öÇÏ°í ºÐ»ê½ÃÄÑ ½ÂÂ÷°¨À» Çâ»ó½ÃÅ°°í, Â÷·®ÀÇ ¹æÇâ Àüȯ ½Ã ±ÕÇüÀ» À¯ÁöÇØ ¾ÈÀü¼ºÀ» ³ôÀÌ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù. ÃÖ±Ù Â÷·®ÀÇ °æ·®È­¿Í ¿¬ºñ Çâ»óÀ» À§ÇØ °í°­µµ Çö°¡ ½ºÇÁ¸µÀÌ ¿ä±¸µÇ´Â Ãß¼¼À̸ç, ³»±¸¼º Çâ»óÀ» À§ÇÑ Å»Åº(»êÈ­ ÀÛ¿ëÀ¸·Î °­ÀçÀÇ Åº¼Ò ÇÔÀ¯·®ÀÌ Àû¾îÁö´Â Çö»ó) ¹æÁö ¹× ³»ºÎ½Ä Ư¼ºÀÌ ¿ä±¸µË´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
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  • - POSCO : PosHIS120S/125/125RC
  • - JIS : SUP9/9A/9D/11A/12/12V
  • - DIN : 54SICR6
  • - SAE : 9254S

¿£Áø ¹ëºê ½ºÇÁ¸µÀº ÀÚµ¿Â÷ ¿£Áø ½Ç¸°´õ ³»ºÎ¿¡¼­ È¥ÇÕ°¡½º ¹× ¿¬¼Ò °¡½ºÀÇ Åë°ú¿Í Â÷´ÜÀ» Á¦¾îÇÏ´Â ¹ëºê¿¡ »ç¿ëµË´Ï´Ù. ¶ÇÇÑ Å¬·¯Ä¡ ½ºÇÁ¸µÀº ¿£ÁøÀÇ È¸Àü·ÂÀ» º¯¼Ó±â¿¡ Àü´ÞÇÏ°í Â÷´ÜÇÏ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù. ¿£Áø ¹ëºê ½ºÇÁ¸µ¿ë ¼±Àç´Â °í¿Â¡¤°í¼Ó ȯ°æ¿¡¼­ ¹Ýº¹ÀûÀ¸·Î ÇÏÁßÀ» ¹Þ±â ¶§¹®¿¡ ¾ö°ÝÇÑ ³»¡¤¿ÜºÎ Ç°ÁúÀÌ ¿ä±¸µË´Ï´Ù. ƯÈ÷ ½ºÇÁ¸µ ÆļÕÀÇ ¿øÀÎÀÌ ºñ±Ý¼Ó °³Àç¹°À» ºÐ¼®ÇÏ°í Ç¥¸é Ç°ÁúÀ» È®º¸ÇÏ´Â °ÍÀÌ Áß¿äÇÕ´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
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  • - SAE : SAE9254V, SAE9254HV etc.
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ÀÚµ¿Â÷ »þ½Ã¿ë

Çö°¡ ½ºÇÁ¸µ(suspension spring)À̶õ?

Â÷·®ÀÇ Â÷ü¸¦ ÁöÁöÇÏ´Â ½ºÇÁ¸µÀ¸·Î, ÀÚµ¿Â÷ÀÇ ÇÁ·¹ÀÓ°ú Â÷Ãà »çÀÌ¿¡ ¼³Ä¡µÇ¾î ÁÖÇà Áß ³ë¸é Ãæ°Ý°ú Áøµ¿À» Èí¼öÇÏ°í ½ÂÂ÷°¨°ú ¾ÈÀü¼ºÀ» ³ôÀÌ´Â ¿ªÇÒÀ» ÇÕ´Ï´Ù.

SAE9254S

Si, Cr ÀÌ Ã·°¡µÈ ÀÚµ¿Â÷ Çö°¡ ½ºÇÁ¸µ¿ë °­À¸·Î½á, ´ã±ÝÁú ¹× ¶ßÀÓ(Quenching and Tempering) ¿­Ã³¸®¸¦ ÀÌ¿ëÇÏ¿© ÇǷΰ­µµ°¡ ¿ì¼öÇÑ ÀÏ¹Ý ½ºÇÁ¸µ°­ÀÔ´Ï´Ù. ¿­°£¼ºÇü ¹× ³Ã°£¼ºÇüÀ» ÅëÇØ ÃÖÁ¾ ½ºÇÁ¸µ Çü»óÀ¸·Î °¡°øµË´Ï´Ù.

Àû¿ëºÎÇ°

ÀÚµ¿Â÷µî Â÷·®ÀÇ Çö°¡¿ë ÄÚÀϽºÇÁ¸µ

±â°èÀû ¼ºÁú
±â°èÀû¼ºÁúÀÇ ¼¼ºÎ ½ºÆå
Quenching
Temp. (¡É)
Tempering
temp. (¡É)
TS (kgf/mm2) RA (%) El. (%)
980 300 219 34 6.5
330 223 33 7.2
360 215 38 8.1
390 199 44 9.0
420 185 48 9.5
450 167 53 8.5
PosHIS120S

Si, Cr ¹× Çձݿø¼Ò°¡ ÷°¡µÈ ÀÚµ¿Â÷ Çö°¡¿ë °í°­µµ ½ºÇÁ¸µ°­À¸·Î½á, ´ã±ÝÁú ¹× ¶ßÀÓ(Quenching and Tempering) ¿­Ã³¸®¸¦ ÀÌ¿ëÇÏ¿© ÇǷΰ­µµ°¡ ¿ì¼öÇÏ°í ¼³°èÀÀ·ÂÀÌ 1200 MPaÀÎ °í°­µµ ½ºÇÁ¸µ°­ÀÔ´Ï´Ù. ³Ã°£¼ºÇüÀ» ÅëÇØ ÃÖÁ¾ ½ºÇÁ¸µ Çü»óÀ¸·Î °¡°øµË´Ï´Ù.

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ÀÚµ¿Â÷µî Â÷·®ÀÇ Çö°¡¿ë ÄÚÀϽºÇÁ¸µ

±â°èÀû ¼ºÁú
±â°èÀû¼ºÁúÀÇ ¼¼ºÎ ½ºÆå
Quenching
Temp. (¡É)
Tempering
temp. (¡É)
TS (kgf/mm2) RA (%) El. (%) Impact Toughness
(kgf-m/cm2)
980 360 217 26 6.5 2.2
380 213 30 7 2.3
400 200 33 8 2.8
420 183 37 9 4.2
450 175 37.1 9.5 4.2
480 160 34 8.5 4.3
PosHIS125

³»ºÎ½Ä ÀúÇ×¼ºÀÌ °­È­µÈ ÀÚµ¿Â÷ Çö°¡¿ë °í°­µµ ½ºÇÁ¸µ°­À¸·Î½á, ´ã±ÝÁú ¹× ¶ßÀÓ(Quenching and Tempering) ¿­Ã³¸®¸¦ ÀÌ¿ëÇÏ¿© ÇǷΰ­µµ°¡ ¿ì¼öÇÏ°í ¼³°èÀÀ·ÂÀÌ 1250 MPaÀÎ °í°­µµ ½ºÇÁ¸µ°­ÀÔ´Ï´Ù. ¿­°£¼ºÇü ¹× ³Ã°£¼ºÇüÀ» ÅëÇØ ÃÖÁ¾ ½ºÇÁ¸µ Çü»óÀ¸·Î °¡°øµË´Ï´Ù.

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ÀÚµ¿Â÷µî Â÷·®ÀÇ Çö°¡¿ë ÄÚÀϽºÇÁ¸µ

°æµµ Ư¼º(ºñ±³) PosHIS125, PosHIS120D, PosHIS120S, SAE9254SÀÇ ¿Âµµº° °æµµÆ¯¼ºÀ» ºñ±³ÇÏ´Â ±×·¡ÇÁÀÔ´Ï´Ù. PosHIS125´Â 350µµ¿¡¼­ °æµµ 620ÀÌ°í, 380µµ¿¡ ¼­´Â °æµµ 610, 400µµ¿¡¼­´Â °æµµ 575, 425µµ¿¡¼­´Â °æµµ 530, 450µµ¿¡ ¼­´Â °æµµ 510À̸ç, PosHIS120D´Â 350µµ¿Í 380¿¡¼­ °æµµ 590Á¤µµÀ̸ç, 400µµ¿¡¼­ °æµµ 570, 425µµ¿¡¼­ °æµµ 540, 450µµ¿¡¼­ °æµµ 510¸¦ ³ªÅ¸³» °í ÀÖ½À´Ï´Ù. ±×¸®°í, PosHIS120S´Â 350µµ¿¡¼­ °æµµ 620ÀÌ°í, 380µµ¿¡ ¼­´Â °æµµ 610, 400µµ¿¡¼­´Â °æµµ 575, 425µµ¿¡¼­´Â °æµµ 530, 450µµ¿¡¼­´Â °æµµ 510À̸ç, SAE9254S´Â 350µµ¿¡¼­ °æµµ 620ÀÌ°í, 380µµ¿¡ ¼­´Â °æµµ 610, 400µµ¿¡¼­´Â °æµµ 575, 425µµ¿¡¼­´Â °æµµ 540, 450µµ¿¡¼­´Â °æµµ 510µµ·Î ¶³¾îÁö´Â °ÍÀ» º¸¿©ÁÝ´Ï´Ù.

¿£Áø ¹ëºê ½ºÇÁ¸µ(engine valve spring)À̶õ?

ÀÚµ¿Â÷ ¿£Áø¿¡¼­ Áß¿äÇÑ ±¸½ÇÀ» ÇÏ´Â ½ºÇÁ¸µÀ¸·Î Èí¹è±â ¹ëºê°¡ ¿­¸®°í ´ÝÈú ¶§ ¹ëºê¸¦ ÁöÁöÇÒ »Ó¸¸ ¾Æ´Ï¶ó ´ÝÇô ÀÖ´Â µ¿¾È¿¡´Â ¿¬¼Ò½ÇÀ» ¹ÐÆó½ÃÅ°´Â ÀÛ¿ëÀ» ÇÕ´Ï´Ù. ÀϹÝÀûÀ¸·Î ÄÚÀÏ ½ºÇÁ¸µÀÌ »ç¿ëµË´Ï´Ù.

SAE9254V

Si, Cr ÀÌ Ã·°¡µÈ ÀÚµ¿Â÷ ¿£Áø¹ëºê ½ºÇÁ¸µ¿ë °­À¸·Î½á, ´ã±ÝÁú ¹× ¶ßÀÓ(Quenching and Tempering) ¿­Ã³¸®¸¦ ÀÌ¿ëÇÏ¿© ÇǷΰ­µµ°¡ ¿ì¼öÇÑ ÀÏ¹Ý ½ºÇÁ¸µ°­ÀÔ´Ï´Ù. ³Ã°£¼ºÇüÀ» ÅëÇØ ÃÖÁ¾ ½ºÇÁ¸µ Çü»óÀ¸·Î °¡°øµË´Ï´Ù.

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ÀÚµ¿Â÷µî Â÷·®ÀÇ ¿£Áø¹ëºê¿ë ÄÚÀϽºÇÁ¸µ

°æµµ Ư¼º SAE9254V °æµµÆ¯¼º ±×·¡ÇÁÀÔ´Ï´Ù. 350µµ¿¡¼­ °æµµ´Â 650Á¤µµÀ̸ç, 25µµ¾¿ ¿Ã¶ó°¥ °æ¿ì, ¿Âµµ 375µµ¿¡¼­ °æµµ´Â 640, ¿Âµµ 400µµ¿¡¼­ 620,¿Âµµ 425µµ¿¡¼­ 570, ¿Âµµ 450µµ¿¡¼­ 540À¸·Î ¶³¾îÁö´Â °ÍÀ» º¸¿©ÁÝ´Ï´Ù.
SAE9254HV

¹Ì·®Çձݿø¼Ò V ÀÌ Ã·°¡µÈ ÀÚµ¿Â÷ ¿£Áø¹ëºê ½ºÇÁ¸µ¿ë °­À¸·Î½á, ´ã±ÝÁú ¹× ¶ßÀÓ(Quenching and Tempering) ¿­Ã³¸®¸¦ ÀÌ¿ëÇÏ¿© ÇǷΰ­µµ°¡ ¿ì¼öÇÑ °í°­µµ ½ºÇÁ¸µ°­ÀÔ´Ï´Ù. ³Ã°£¼ºÇüÀ» ÅëÇØ ÃÖÁ¾ ½ºÇÁ¸µ Çü»óÀ¸·Î °¡°øµË´Ï´Ù.

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ÀÚµ¿Â÷µî Â÷·®ÀÇ ¿£Áø¹ëºê¿ë ÄÚÀϽºÇÁ¸µ

°æµµ Ư¼º SAE9254HV °æµµÆ¯¼º ±×·¡ÇÁÀÔ´Ï´Ù. 350µµ¿¡¼­ °æµµ´Â 640Á¤µµÀ̸ç, 25µµ¾¿ ¿Ã¶ó°¥ °æ¿ì, ¿Âµµ 375µµ¿¡¼­ °æµµ´Â 620, ¿Âµµ 400µµ¿¡¼­ 580,¿Âµµ 425µµ¿¡¼­ 530, ¿Âµµ 450µµ¿¡¼­ 510À¸·Î ¶³¾îÁö´Â °ÍÀ» º¸¿©ÁÝ´Ï´Ù.

ŸÀ̾îÄÚµå¿ë ¼±Àç

0.70~0.92% °íź¼Ò°­¿¡ °­µµ Çâ»óÀ» À§ÇÑ ¼ººÐ(Cr, Si, Mn µî)À» ÷°¡ÇÑ °­Á¾ÀÔ´Ï´Ù. ¼¼¼±(Á÷°æ 0.15~0.38mm©ª)À¸·Î ½Å¼± °¡°ø ÈÄ ´Ù¾çÇÑ ÄÚµå ÇüÅ·Π²¿¾Æ¼­ ÀÚµ¿Â÷ ŸÀ̾îÄÚµå(¿ÜºÎ ¾Ð·Â ¹× Ãæ°ÝÀ¸·ÎºÎÅÍ Å¸ÀÌ¾î ¼ö¸íÀ» ¿¬Àå½ÃÅ°´Â º¸°­Àç)¿¡ »ç¿ëµË´Ï´Ù.
ŸÀ̾îÄÚµå¿ë ¼±Àç´Â ¼¼¼± °¡°øÀ» À§ÇÑ Ã»Á¤¼º, °æ·®È­¿Í ¿¬ºñ Çâ»óÀ» À§ÇÑ °í°­µµ°¡ ÇÊ¿äÇÑ ¼±ÀçÀÔ´Ï´Ù. ÃÖ±Ù °í°´»ç¿¡¼­´Â ȯ°æ¹®Á¦·Î ÀÎÇØ »ê¼¼ ´ë½Å ±â°èÀû ½ºÄÉÀÏ Ã³¸®(Mechanical descaling) ¹× ¿­Ã³¸® »ý·«ÀÌ °¡´ÉÇÑ Á¦Ç°À» ¿ä±¸ÇÏ´Â Ãß¼¼ÀÔ´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
´Ý±â
  • - POSCO : PosCord70S/80S/92Cr/92Si/102Cr
ŸÀ̾îÄÚµå¿ë°­ÀÇ ÁÖ¿ä ±Ô°Ý
±¸ºÐ Normal Tensile
(2.8GPa)
High Tensile
(3.2GPa)
Super High Tensile
(3.6GPa)
Ultra High Tensile
(4.0GPa)
Mega Tensile
(4.4GPa)
±Ô°Ý PosCord70S PosCord80S PosCord92Cr PosCord92Si PosCord102Cr
°ü·Ã»ê¾÷
ÀÚµ¿Â÷ »þ½Ã¿ë

º£¾î¸µ¿ë ¼±Àç

º£¾î¸µ°­Àº ¿­°£·³Ã°£ »óÅ¿¡¼­ ´ÜÁ¶ ¹× ¾ÐÁ¶ °¡°øÀ¸·Î º¼Æ®, ³ÊÆ®, ³ª»ç µî °¢Á¾ ±â°èºÎÇ°À» Á¦Á¶ÇÏ´Â µ¥¿¡ »ç¿ëµË´Ï´Ù. ±ÕÀÏÇÑ È­ÇмººÐ°ú ¾çÈ£ÇÑ ³»ºÎ Ç°ÁúÀÌ ¿ä±¸µÇ¸ç, ÀÚµ¿Â÷ ü°á¿ë, °Ç¼³¿ë º¼Æ®, ±â°èÀåÄ¡ÀÇ ´ÜÁ¶ ºÎÇ° µî¿¡ »ç¿ëµË´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
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  • - JIS : SUJ2/SUJ2K/SUJ2Z
  • - SAE : SAE52100
°ü·Ã»ê¾÷
ÀÚµ¿Â÷ »þ½Ã¿ë

CHQ¿ë ¼±Àç

CHQ(Cold Heading Quality¤ý³Ã°£¾ÐÁ¶¿ë) ¼±Àç´Â ¿­°£·³Ã°£ »óÅ¿¡¼­ ´ÜÁ¶ ¹× ¾ÐÁ¶ °¡°øÀ¸·Î º¼Æ®, ³ÊÆ®, ³ª»ç µî °¢Á¾ ±â°èºÎÇ°À» Á¦Á¶ÇÏ´Â µ¥¿¡ »ç¿ëµË´Ï´Ù. ±ÕÀÏÇÑ È­ÇмººÐ°ú ¾çÈ£ÇÑ ³»ºÎ Ç°ÁúÀÌ ¿ä±¸µÇ¸ç, ÀÚµ¿Â÷ ü°á¿ë, °Ç¼³¿ë º¼Æ®, ±â°èÀåÄ¡ÀÇ ´ÜÁ¶ ºÎÇ° µî¿¡ »ç¿ëµË´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
´Ý±â
  • - POSCO : POSA1021B/1022B/1038B, POSA15B24H, POSA5120BH, POSMA45RM, POSNH9S
  • - JIS : SWRCH10A/15A/18A/25F/35F/45F, SCM415/420/435/440, SCR415/420/440
  • - SAE/AISI : 10B21/10B22/10B30/10B35/10B38/15B25/51B20/1541/4037/4140/8740/1060S
°ü·Ã»ê¾÷
»ê¾÷±â°è ±â°è±¸Á¶¿ë

°æ°­

°íź¼Ò°­ Á¦Ç°À¸·Î °í°­µµ À¯Áö¿Í ½Å¼± °¡°ø¼º È®º¸¸¦ À§ÇØ ¹Ì¼¼ ÆÞ¶óÀÌÆ®(Fine pearlite) Á¶Á÷ Á¦¾î¸¦ ÇÊ¿ä·Î ÇÕ´Ï´Ù. ¿ÍÀÌ¾î ·ÎÇÁ, Á¤¹Ð ½ºÇÁ¸µ, ºñµå ¿ÍÀÌ¾î ¹× ÀÏ¹Ý PC °­¼± µî¿¡ »ç¿ëµË´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
´Ý±â
  • - JIS : SWRH27~82A/B
  • - SAE : 1026~1095
°æ°­

ÄÉÀ̺í¿ë ¼±Àç

±Ø¼¼¼± ½Å¼±¼º, °í°­µµ, ³»ÇǷμºÀÌ ¿ì¼öÇÑ °íź¼Ò ûÁ¤°­ÀÔ´Ï´Ù. ÁÖ·Î °í°­µµ ºñµå ¿ÍÀ̾î, PC °­¼±, ±³·® ÄÉÀÌºí µî¿¡ »ç¿ëµË´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
´Ý±â
  • - POSCO : POSCABLE82, 86, 90, 92 POSMICRO62
  • - JIS : SWRS62A/B~92A
°ü·Ã»ê¾÷
°Ç¼³ ±³·®¿ë
ÄÉÀ̺í¿ë ¼±Àç

°íÀå·Â°­

¹Ì·®ÀÇ ºØ¼Ò(Boron)³ª ´Ù·®ÀÇ Si°¡ ÷°¡µÈ ±â°è ±¸Á¶¿ë ź¼Ò°­À» °í°´»ç¿¡¼­ °íÁÖÆÄ ¿­Ã³¸®ÇÏ¿© Á¦Á¶Çϸç, ÀÏ¹Ý °­ ´ëºñ ź¼º ÇÑ°èÁ¡ÀÌ ³ô°í ÀÌ¿Ï(Relaxation)ÀÌ ¾çÈ£ÇÕ´Ï´Ù. ÄÜÅ©¸®Æ® Àü½ÅÁÖ, ÆÄÀÏ µîÀÇ PC °­¼±À¸·Î »ç¿ëµË´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
´Ý±â
  • - POSCO : PSPC22, 30B~35B, 30SI~35SI, 32SIB/32SIBM
  • - SAE : 10B30~35
°íÀå·Â°­

±â°è±¸Á¶¿ë ¼±Àç

¿­°£ °¡°ø ¹× Ç¥¸é °¡°øÀ» ÅëÇØ º¼Æ®¿Í ³ÊÆ® µî ±â°è ºÎÇ°ÀÇ Ã¼°á¿¡ ¾²À̰ųª, °¢Á¾ »þÇÁÆ®(Shaft) µî ±¸µ¿·Â Àü´Þ¿ëÀ¸·Î »ç¿ëµÇ´Â ź¼Ò°­ÀÔ´Ï´Ù.

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  • POSCOPOSCO Standards
  • KSKorean Industrial Standards
  • JISJapanese Industrial Standards
  • ENEuropean Standards
  • DINDentsches Institut fur Normung
  • BSBritish Standards
  • ASTMAmerican Society for Testing and Materials
  • SAESociety of Automotive Engineers
  • APIAmerican Petroleum Institute
´Ý±â
  • - JIS : S10~55C
  • - SAE : 1022~1060
°ü·Ã»ê¾÷
»ê¾÷±â°è ±â°è±¸Á¶¿ë
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