Page 353 - Content.pmd

úR²Úm©u YûLLÞm TVuLÞm (Properties and uses of Wrought Iron)
Ti×Ls TVuLs

SÑeLdá¥VûY Utßm ¿[d á¥VûY. Lh¥PlT¦Ls
L¥]lTÓjRúYô TRlTÓjRúYô Ø¥VôÕ

§iûUVô]ûY, RôdÏ®ûNLû[j RôeLd ¡úWu ùLôd¡Ls (Crane hooks) Ne¡Xõj
á¥VûY, SôoYûL LhPûUl×Ls ùRôPoLs úTôph Utßm ShLs
ùLôiPûY G°RôL A¥jÕ CW«p ©ûQl©Ls (railway couplings)
Tt±ûQdLd forge welding á¥VûY
350 ¨ëhPu / N.ªÁ A[®tÏ A§LThN
Cݧ\u ùLôiPûY

El× ¿Wôp Tô§dLlTPôRûY LPp Nôo T¦Ls (Marine works)

LôkR Nd§ûV RdL ûYdLôÕ RtLôXõL LôkReLs ªu]ôd¡L°u
Es[LeLs (Core of dynamos)

A¬Uô] G§ol×ûPVÕ úY[ôiûUl ùTô±«Vp NôR]eLs

CXÏYôL A¥jÕ EÚYôdL Ø¥Ùm. ÏZôn Utßm AûPYhûPLs (flanges)
A§L ùYlT¨ûX ùRôPo 850°C to 1350°C

G@Ï GuTÕ A¥lTûP«p CÚm× Utßm NôRôWQ L¬ G@ûL A§p Es[ L¬«u
L¬«u JÚ áhÓ EúXôLm BÏm. C§p L¬ NRÅRjûRl ùTôÚjÕ ¸rdLiPYôß
NRÅRm 1.5% YûW CÚdÏm. C§Ûs[ L¬ YûLlTÓjÕYo.
Ju±ûQkR ¨ûX«p (combined state) CÚdÏm.

TABLE 1
Classification and content of Plain Carbon Steel

Name of the Percentage
plain carbon of carbon Properties and uses
steel
Dead mild 0.1 to 0.125 % A§LUô] ùS¡Ým RuûU EûPVÕ.
(A§ ùUu G@Ï) Lm©Ls ùUuûUVô] RLÓLs Utßm
§P¨ûX EÚYôdLd ÏZônLs RVô¬dL

Mild steel 0.15 to 0.3% Jl©hÓ úSôd¡u ùUuûUÙm ùS¡rÜj
(ùUu G@Ï) RuûUÙm EûPVÕ. ùTôÕYô]
T¦Uû] T¦LÞdÏl TVuTÓ¡\Õ.
úUÛm, ùLô§LXuRLÓLs, TôX
¨oUôQlT¦Ls, LhÓUô] Y¥YeLs
Utßm ÅrNmUh¥ AfÑLs
B¡VûYLÞdÏ
Medium carbon 0.3 to 0.5% YôL] AfÑdLs (axles) År NmUh¥ (drop
(Uj§U L¬ G@Ï) forgings) AfÑLs A§L CÝYXõûU
ùLôiP ÏZônLs Lm©Ls Utßm
úY[ôu ùTô±«Vp E°Ls,

£_õ & Gm: @©hPo (NSQF - Revised 2022) ------ R.T. for Ex. No.1.6.80-82
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