Chemical composition:
Steel Grade | Chemical Composition % | ||||
C | Si | Mn | P | S | |
STKR 400 | 0.25 max. | - | - | 0.040 max. | 0.040 max. |
STKR 490 | 0.18 max. | 0.55 max. | 1.50 max. | 0.040 max. | 0.040 max. |
Mechanical proporties:
Steel Grade | Tensile strength | Yield Strength | Elongation % |
N/mm² | N/mm² | (No.5 test piece) | |
STKR 400 | 400 {41} min. | 245 {25} min. | 23 min. |
STKR 490 | 490 {50} min. | 325 {33} min. | 23 min. |
Type: Seamless and welded carbon steel pipes
Application: For civil engineering, architecture, other structures
Technique: Cold-finished, hot-finished, ERW
Product show:
Q: Are you trading company or manufacturer?
A: We are a professional steel pipes materials manufacturer.
Q: How long is your delivery time?
A: Generally it takes 7-14 days if the goods are in stock or 30-60 days if there is no stock, this mainly depends on quantity.
Q: Do you provide free samples?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us.