Home
>
PRODUCTS
>
Seamless Alloy Steel Tube
>
|
|
| Place of Origin | CHINA |
| Brand Name | JOYRUNS |
| Certification | ISO9001 |
| Model Number | 20MM TO 140MM |
|
Chemical Element
|
Mass Fraction (%)
|
|---|---|
|
Carbon (C)
|
0.28 ~ 0.33
|
|
Silicon (Si)
|
0.15 ~ 0.35
|
|
Manganese (Mn)
|
0.40 ~ 0.60
|
|
Phosphorus (P)
|
≤ 0.030
|
|
Sulfur (S)
|
≤ 0.040
|
|
Chromium (Cr)
|
0.80 ~ 1.10
|
|
Molybdenum (Mo)
|
0.15 ~ 0.25
|
|
Nickel (Ni)
|
≤ 0.25
|
|
Copper (Cu)
|
≤ 0.35
|
|
Mechanical Index
|
Specification
|
|---|---|
|
Tensile Strength (σb)
|
≥ 930 MPa
|
|
Yield Strength (σs)
|
≥ 730 MPa
|
|
Elongation (δ5)
|
≥ 12 %
|
|
Reduction of Area (ψ)
|
≥ 50 %
|
|
Impact Energy (Akv)
|
≥ 71 J
|
|
Hardness (HB)
|
≤ 230 HB
|
|
Chemical Element
|
SAE4130 (ASTM A519) (%)
|
Domestic 30CrMo (%)
|
|---|---|---|
|
Carbon (C)
|
0.28 ~ 0.33
|
0.28 ~ 0.35
|
|
Silicon (Si)
|
0.15 ~ 0.35
|
0.17 ~ 0.37
|
|
Manganese (Mn)
|
0.40 ~ 0.60
|
0.40 ~ 0.70
|
|
Phosphorus (P)
|
≤ 0.030
|
≤ 0.035
|
|
Sulfur (S)
|
≤ 0.040
|
≤ 0.035
|
|
Chromium (Cr)
|
0.80 ~ 1.10
|
0.80 ~ 1.10
|
|
Molybdenum (Mo)
|
0.15 ~ 0.25
|
0.15 ~ 0.25
|
Contact Us at Any Time