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scm440 42CrMo4 4140 quenched and tempered steel tube
scm440 42CrMo4 4140 quenched and tempered steel pipe is used extensively in applications for automotive industry, Hydraulic, Mining and oil and gas drilling industry. Quenched and tempered steel tubes include qt steel tubes and Q&T drilling hollow steel bars. 42CrMo4 steel pipe has higher strength than 4130 pipe.
42CrMo4 Q&T steel tube we supply includes following advantages:
^ Consistent mechanical properties
^ Even thickness on the whole bars
^ Deep mechanical properties
^ Even hardness on the whole bars/
^ Tougher and Increased strength
^ No brittle, UT testing/
^ Precision size tolerance/
^ Good straightness
^ Good Roughness/
^ Professional technical service/
^ Competitive price/
^ Fast delivery
Specification of 42CrMo4 cold drawn steel bar we supply:
|
Sizes |
OD range from 20mm to 100mm, Thickess: from 4mm to 20mm |
|
Tolerances |
Precision to h9, h10, h11 |
|
Roundness |
75% of diameter tolerance |
|
Straightness |
Good straightness to 0.5mm/m |
|
Surface roughness |
Smooth to 0.8um |
|
Mechanical properties |
Yield strength and tensile strength can be improved |
1. 42CrMo4 steel equivalent material:
GB
ASTM/SAE/AISI
DIN
SCM
AS/NZS1444
42CrMo
4140
42CrMo4
scm440
as 4140
2. 42CrMo4 steel chemical composition:
C
SI
MN
S
P
CR
MO
0.38-0.43
0.15-0.35
0.75-1.00
0.035 MAX
0.035 MAX
0.80-1.10
0.15-0.25
3. 42CrMo4 steel mechanical properties:
4130 Pipe,Steel Tubing,Seamless Pipe,Annealed Tubing,scm440 42CrMo4 4140 quenched and tempered steel tube
Yield Strength
Tensile Strength
Elongation
Reduction of Area
AKV
930MPa MIN
1080MPa MIN
12% MIN
45% MIN
63J MIN
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Main Product:
Cold Drawn Steel Bar,
Bright Steel Bar,
Heat Treated Steel Bar and Tube,
Threaded Rods ,
High Strength Steel Tie Rod,
High Strength Steel Bolts
