Quick Detail:
Standard: ASTM A519
Steel grade: 4130, 4140, 4142
Size: out diameter: 20-200mm
thickness: 0.1-20mm
length: 3-8m
Description:
|
standard |
ASTM A519 |
|
Steel grade |
4130, 4140, 4142 |
|
Outside diameter |
20mm-200mm |
|
Thickness |
0.1mm-20mm |
|
Length |
3m-8m |
|
End protection |
Plastic caps |
|
Outside coating |
Black painting, anti-corrosion oil, galvanized or as per required by customers |
|
Packing |
wooden boxes, plastic bags or according to different customers’ requests |
|
Inspection and test |
UT, ET, HT, RT, etc. and others according to the standard, or as the requests of the customers |
|
Delivery condition |
Annealed, Normalized, Normalized and tempered |
Chemical composition(%):
|
Grade |
C |
Mn |
Si |
Cr |
S |
P |
Mo |
|
4130 |
0.28-0.33 |
0.40-0.60 |
0.15-0.35 |
0.08-1.10 |
≤0.04 |
≤0.04 |
0.15-0.25 |
|
4140 |
0.38-0.43 |
0.75-1.00 |
0.15-0.35 |
0.08-1.10 |
≤0.04 |
≤0.04 |
0.15-0.25 |
|
4142 |
0.40-0.45 |
0.75-1.00 |
0.15-0.35 |
0.08-1.10 |
≤0.04 |
≤0.04 |
0.15-0.25 |
