TH72348B - Spring steel, spring manufacturing process using this type of steel and springs made of such steel. - Google Patents
Spring steel, spring manufacturing process using this type of steel and springs made of such steel.Info
- Publication number
- TH72348B TH72348B TH601006293A TH0601006293A TH72348B TH 72348 B TH72348 B TH 72348B TH 601006293 A TH601006293 A TH 601006293A TH 0601006293 A TH0601006293 A TH 0601006293A TH 72348 B TH72348 B TH 72348B
- Authority
- TH
- Thailand
- Prior art keywords
- steel
- minor
- spring
- type
- manufacturing process
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 229910000639 Spring steel Inorganic materials 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000009415 formwork Methods 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 238000000137 annealing Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 230000009972 noncorrosive effect Effects 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 238000005496 tempering Methods 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
Abstract
DC60 เหล็กกล้าสำหรับทำสปริงที่มีคุณสมบัติที่ดีเลิศในด้านความล้าภายใต้สภาวะที่มีการกัดกร่อน และไม่มีการกัดกร่อนและในความต้านทานการหย่อนตัวตามวงรอบซึ่งประกอบด้วยธาตุที่จำเพาะ เจาะจงดังต่อไปนี้ในหน่วย % โดยน้ำหนัก C 0.45-0.70% Si : 1.65-2.50% Mn : 0.20-0.75% Cr : 0.60-2% Ni : 0.15-1% Mo : เล็กน้อย -1% V : 0.003-0.8% Cu : 0.10-1% Ti : 0.020-0.20% Nb : เล็กน้อย -0.2% Al: : 0.002-0.050 % P : เล็กน้อย -0.015% S : เล็กน้อย -0.015% O : เล็กน้อย -0.0020 % N : 0.0020-0.0110% ซึ่งตามหลักแล้ว ตัวสร้างสมดุลจะเป็น Fe และสิ่งเจือปนที่ไม่อาจหลีกเลี่ยงได้ และโดยที่ปริมาณคาร์บอนสมมูล Ceq. ที่ถูกระบุด้วยสูตรต่อไปนี้ Ceq.=[C]+0.12 [Si]+0.17 [Mn]-0.1 [Ni] + 0.13 [Cr] - 0.24 [V] มีค่าตั้งแต่ 0.80 ถึง 1.00 % โดยที่ [C], [Si], [Mn], [Ni], [Cr] และ [V] แสดงปริมาณธาตุเหล่านี้แต่ละชนิดในหน่วย เปอร์เซ็นต์โดยน้ำหนักและโดยที่ความแข็ง Rockwell HRC ของเหล็กกล้าสำหรับทำปสริงมีค่าตั้งแต่ 55 ขึ้นไปภายหลังการชุบแข็งและการทำเทมเปอร์: DC60 spring steel that offers excellent fatigue resistance under corrosive conditions. And non-corrosive and in resistance to looseness in the cycle containing specific elements Specify the following in% by weight C 0.45-0.70% Si: 1.65-2.50% Mn: 0.20-0.75% Cr: 0.60-2% Ni: 0.15-1% Mo: nominal -1% V: 0.003-0.8. % Cu: 0.10-1% Ti: 0.020-0.20% Nb: Minor -0.2% Al:: 0.002-0.050% P: Minor -0.015% S: Minor -0.015% O: Minor -0.0020% N: 0.0020-0.0110%. In principle The balancer is Fe and its impurities are inevitable. And where the Ceq. Equivalent carbon content is indicated by the following formula Ceq. = [C] +0.12 [Si] +0.17 [Mn] -0.1 [Ni] + 0.13 [Cr] - 0.24 [V] ranges from 0.80 to 1.00% where [C], [Si], [Mn. ], [Ni], [Cr] and [V] represent the amount of each of these elements in units. Percentage by weight and where the Rockwell hardness HRC of the annealing steel is 55 or more after hardening and tempering:
Claims (1)
Publications (3)
| Publication Number | Publication Date |
|---|---|
| TH90004B TH90004B (en) | 2008-06-10 |
| TH90004A TH90004A (en) | 2008-06-10 |
| TH72348B true TH72348B (en) | 2019-11-01 |
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