70Mn4 /B42
2016-01-11 13:35:59 Origin： Remark：0 Click：
Heating quenched bearing steel ISO 70Mn4 Round bar, flat bar and plate Steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, 100% Ultrasonic test, Cold working.
TECHNICAL SPECIFICATIONS - Grade 70Mn4 /B42
Official Test Certificate Report: issued by TUV - SGS - BV
MATERIAL TYPE: High-frequency heating quenched bearing steel
MATERIAL STANDARDS: ISO 683/17
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.65 ~ 0.75
Si (％): ≤ 0.40
Mn (％): 0.80 ~ 1.10
P (％)≤: 0.025
S (％)≤: 0.015
Cr (%): -
MATERIAL STANDARDS: ISO 683/17
CHEMICAL COMPOSITION (mass weight %)
C (％): 0.65 ~ 0.75
Si (％): ≤ 0.40
Mn (％): 0.80 ~ 1.10
P (％)≤: 0.025
S (％)≤: 0.015
Cr (%): -
Mo (%): -
Ni (%): -
Other (%): Cu ≤0.30, Al ≤0.050, O 0.020
MECHANICAL PROPERTIES UNDER ROOM TEMP.
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Condition: + S = cold shearing heat treatment
Hardness /≤HBW: 255
Hardness /≤HBW: 255
Condition: + A = annealing
Hardness /≤HBW: 241
Hardness /≤HBW: 241
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' requirements.
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 10mm 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 - 1500mm X L1000-12000mm
Forging piece: stepped shafts, other different shapes based on OEM.
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' requirements.
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 5.5mm to 500mm
Square bar / Flat bar: 10mm 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 - 1500mm X L1000-12000mm
Forging piece: stepped shafts, 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 engineers, Email: sales@ccsteels.com.
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers, Email: sales@ccsteels.com.
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