Hot Rolled Seamless Steel Tube Black Iron q345b Seamless Steel Pipe Tube
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Thin Wall Steel Tubing q345b Sae 1518 Seamless Steel Tube Price
q345b Steel Pipe Tube Supplier Thick Wall Seamless Steel Pipe Manufacturer
60mm Steel Tube Precision Diameter Seamless Steel Tube Sae 1020 20# Hollow Bar Price
Manufacturer 35crmo,4135,scm435,34CrMo4 Steel Pipe Seamless Steel Tube and Pipes
Steel Tube Shaping Customize Big Diameter Thick Wall Seamless Steel Tube Manufacturer
Grade | C | SI | Mn | P | S | Yield Strength | Tensile Strength | Elongation |
20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≥245Mpa | 253-500Mpa | ≥24% |
1020 | 0.18-0.23 | - | 0.30-0.60 | ≤0.040 | ≤0.050 | - | - | - |
Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | ≥345Mpa | 470-630Mpa | ≥20% |
SAE1518 | - | - | 1.10-1.40 | ≤0.040 | ≤0.050 | ≥345Mpa | 375-470Mpa | ≥25% |