qt seamless steel pipe
3 year ago
scm430 quenched and tempered steel tube
scm430 quenched and tempered steel tube is used extensively in applications for automotive industry, Hydraulic, Mining and oil and gas drilling industry. scm430 Q&T tubes include scm430 Q&T seamless steel pipes and scm430 Q&T drilling hollow bars. scm430 pipe is same as 4130 pipe in different standard.
Heat treated steel tube we produce are round steel tubing such as annealed tubing, normalized tubing and quenched & tempered steel tubing.
scm430 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 scm430 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 |
1. scm430 steel equivalent material:
|
GB |
ASTM/SAE/AISI |
DIN |
SCM |
AS /NZS1444 |
|
30CrMo |
Aisi 4130 / sae 4130 / astm 4130 |
25CrMo4 |
SCM430 |
AS 4130 |
2. scm430 steel chemical composition:
|
Materail |
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 |
3. scm430 steel mechanical properties:
|
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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- SHANDONG LE REN SPECIAL STEEL CO., LTD.
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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
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