ASTM A423 Grade 1 Seamless Steel Tubes
ASTM A423 Grade 1 seamless steel pipe is a seamless steel pipe produced in accordance with ASTM A423 standards, and its quality grade is Grade 1.
JIS G3455 steel pipe for high-pressure chemical composition table:
| Standard | Grade | C | Si | Mn | P | S |
| JIS G3455 | STS370 | ≤0.25 | 0.10-0.35 | 0.30-1.10 | ≤0.035 | ≤0.035 |
| STS410 | ≤0.30 | 0.10-0.35 | 0.30-1.40 | ≤0.035 | ≤0.035 | |
| STS480 | ≤0.33 | 0.10-0.35 | 0.30-1.50 | ≤0.035 | ≤0.035 |
JIS G3455 high-pressure steel pipe Mechanical Properties:
| Standard | Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| JIS G3455 | STS370 | ≥216 | ≥370 | ≥30 |
| STS410 | ≥245 | ≥410 | ≥25 | |
| STS480 | ≥275 | ≥480 | ≥25 |
Why Choose GNEE
GNEE has specialized in producing hard chrome plated rods and honed/peeled tubes and drum polished tubes for over 16 years. We have sophisticated processing equipment, strong technical strength and advanced technology.
GNEE has obtained CQC ISO 9001 certification in 2008. We are cooperating with more than 45 countries including Korea, Australia, the United States, Russia, Turkey, Saudi Arabia, etc. Our export sales have reached 30 million USD per year.
If any question,please contact with us freely by E-mail or Telephone.
FAQ
Q.Can you provide samples?
A.Of course, we can provide you with free samples, but customers need to pay the shipping cost.
Q.How long is your delivery time?
A.Specifically, need to consider the quantity and specifications of your order.
Q.Do you have quality control?
A.Yes, we have got BV.SGS certification.
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