ASTM A756 440C datasheet,ASTM A756 440C chemical,ASTM A756 440C heat treatment

ASTM A756 440C
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Material technical specifications ASTM standards carburizing bearing steel ASTM A756 Grade 440C datasheet, ASTM A756 Grade 440C Chemical compositions, mechanical property from Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working or rough turned machining. Technical specification - ASTM A756 - 2001.
TECHNICAL SPECIFICATIONS - ASTM A756 Grade 440C
MATERIAL TECHNICAL STANDARDS: ASTM A756 - 2001
MATERIAL TYPE: stainless steel bearing steel
CHEMICAL COMPOSITION (WEIGHT %)
C (%):     0.95 ~ 1.10
Si (%):    ≤ 1.00
Mn (%):   ≤ 1.00
P (%)≤:   0.025
S (%)≤:   0.025
Cr (%):    16.0 ~ 18.0
Mo (%):   0.40 ~ 0.60
Ni (%):     ≤ 0.75
Other (%): Cu ≤0.50, Al ≤0.050
CLASSIFICATION AND APPLICATION
Bearing steel is a type of
steel used in the field of fabricating the ball, pin roller, sleeve for antifriction bearing. and also measuring implements, cold-punching die, lead screw and precision components of diesel engine oil pump. Bearing steel is divided into high-carbon chromium bearing steel, carburizing bearing steel, stainless bearing steel, high temperature bearing steel, medium-carbon bearing steel.
Generally, condition of delivery is hot rolled+annealing, cold drawn+annealing.

PRODUCT DESCRIPTION
The alloy is usually produced by LF /EAF /IFF /VD followed by electroslag refining (ESR) if necessary for special purpose.
Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' specific requirements.
Round bar / Wire rod (Diameter):  0.50mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: Fixed length or random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.

TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineer.
Official Test Certificate Report: issued by TUV - SGS -  BV
- Email:
lh.steel@hotmail.com 

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