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4130 quenched and tempered steel tube
4130 quenched and tempered seamless steel tube is used extensively in applications for automotive industry, Hydraulic, Mining and oil and gas drilling industry. 4130 Q&T tubes include 4130 Q&T seamless steel pipes and 4130 Q&T drilling hollow bars. After quenching and tempering, 4130 pipe can get higher strength. We can also produce 4130 cold drawn steel bar, peeled, ground and polished bright steel round bar, annealed steel round bar, normalized steel bar and quenched and tempered steel bar.
4130 Q&T steel tube we supply includes following advantages:
Consistent mechanical properties
Even thickness on the whole pipe
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 4130 steel tube we supply:
|
Sizes |
OD range from 20mm to 100mm, Thickess: from 4mm to 20mm |
|
Tolerances |
Precision to h9, h10, h11 or even small to 0.02mm |
|
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 |
|
Machining |
Suitable for machining and welding |
4130 steel chemical composition:
|
|
C |
Si |
Mn |
S |
P |
Cr |
Mo |
|
4130 |
0.28-0.33 |
0.15-0.35 |
0.40-0.60 |
0.035 max |
0.035 max |
0.80-1.10 |
0.15-0.25 |
|
25CrMo4 |
0.22-0.29 |
0.40 max |
0.60-0.90 |
0.035 max |
0.035 max |
0.90-1.20 |
0.15-0.30 |
|
SCM430 |
0.28-0.33 |
0.15-0.35 |
0.40-0.60 |
0.035 max |
0.035 max |
0.80-1.10 |
0.15-0.35 |
4130 steel mechanical properties:
|
Yield Strength (MPa) |
Tensile Strength (MPa) |
Elongation |
Reduction of area |
AKV (J) |
|
785min |
930min |
12% min |
50% min |
63 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
