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Select Material Class and Sub--Class
GG
Steel (Sigma B < 800 N/mm2) (Mild steel)
Normalized structural steel
Cast structural steel
Cast alloy steel
Cast carbon steel
Through hardened steel (Sigma B > 800 N/mm2)
Alloy steel (carbon >= 0.2 %)
Carbon steel (carbon >= 0.2 %)
Malleable cast iron
GGG
Spheroidal (pearlitic) nodular cast iron
GGG
Spheroidal (bainitic) nodular cast iron
GGG
Spheroidal (ferritic) nodular cast iron
GTS
Black malleable cast iron (pearlitic) *** NOTE: NOT SUPPORTED BY CURRENT ISO6336 ***
Eh
Carburized steel (case hardened)
Core hardness >= 30 HRC
Core hardness >= 25 HRC, Jominy >= 28 HRC
Core hardness >= 25 HRC, Jominy < 28 HRC
Flame or induction (surface hardened) steel
Ni >1.5 %, fillets hardened >= 560 HV
Ni >1.5 %, fillets hardened < 560 HV
St
----V
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---IF
--NT
(nitriding) Gas nitrided steels
NV
(nitriding) Thru--hardened steels nitrided
NV
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(nitrocar) Thru--Hardened steels nitro--carburized
Above 450 HV
Below 450 HV
For more information on material quality and heat treatment requirements of the above material, refer to ISO
6336--5, subclause 6.2 (page 16) and referenced figures.
Select the Material Quality
--
ML [lowest]
--
MQ
--
ME
--
MX [only valid for through hardened alloy steels]
Yield Point or Proof Stress
Required for materials that are not surface hardened.
Tooth Alignment Correction
--
None (default)
ISO 6336--1 equation (56) for method C1 and equation (75) for method C2.
--
Crowned
ISO 6336--1 equation (78) for method C2.
End relief
ISO 6336--1 equation (79) for method C2.
Torsional correction only
Helix angle modification only per ISO 6336--1,7.6.1.2
ISO 6336--1 equation (58) for method C1.
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E August 2003 AGMA
4--20
V10