Type:
Carbon Steel Seamless Pipe.
Material and Grade:
JIS G3444 STK400.
Size: 3 Inch, SCH 30.
Manufacture Method: Hot Rolled.
Surface Treatment: Coating, Painting, Galvanized, etc.
Application: For General Structure.
Third Party Inspection: SGS, BV, INTERNET, etc.
Packing: Pallet/In Bundles or As Your Requirement.
Payment Terms: TT/LC, West Union, Paypal, O/A.
Delivery Time: 7-25 Days after Receiving the Deposit.
| Chemical Composition and Mechanical Property for JIS G3444 |
| Grade |
C |
Si |
Mn |
P |
S |
Tensile Strength
MPA |
Yield Strength
MPA |
| STK290 |
/ |
/ |
/ |
≤0.050 |
≤0.050 |
≥290 |
/ |
| STK400 |
≤0.25 |
/ |
/ |
≤0.040 |
≤0.040 |
≥400 |
≥235 |
| STK490 |
≤0.18 |
≤0.55 |
≤1.65 |
≤0.035 |
≤0.035 |
≥490 |
≥315 |
| STK500 |
≤0.24 |
≤0.35 |
0.30-1.30 |
≤0.040 |
≤0.040 |
≥500 |
≥355 |
| STK540 |
≤0.23 |
≤0.55 |
≤1.50 |
≤0.040 |
≤0.040 |
≥540 |
≥390 |