1) Material specification.
A) Component - Forged Pinion Shaft
Material Chemistry – SCM 440 (JIS)
Equivalent Grade SAE 4140
Carbon = 0.38 to 0.43
Silicon = 0.15 to 0.35
Manganese= 0.60 to 0.85
Phosphrous= 0.030 Max.
Sulphur = 0.030 Max.
Chromium = 0.90 to 1.20
Molybum = 0.15 to 0.30
3.Process: EAF+LF+VD (ESR furnace for optional)
4 Delivery condition: forged; forged + rough turned; annealed, normalized, quenched + tempered .
5.Technical Data: Chemical Composition, Physical Properties and Mechanical Testing according to the customer's requirement
6.Test: Ultrasonic test according to SEP 1921-84 G3 C/C
Contact Name: Mr. Jacky Kon
Company Name: LinSteel Group Co., Ltd.
Street Address: Linsteel New District,
Linfen City, Shansxi Province, 286000, China
11 October 2009
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