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ST20 GOST8734-75 steel pipe

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 ST20 GOST STANDARD STEEL PIPE

Standard: Gost 8734 seamless pipe
Size(mm): O. D. 6-168 mm W. T. 1-15 mm L max 12000 mm

Delivery condition: Hot rolled, Cold worked, Annealed, Normalized, Stress Released
Certificate: ISO9001 TUV
Packing: 1. Standard export bundle wrapped with strong steel strip
2. Wooden case
3. Nylon packed
Payment: T/T
Delivery: With 40 days of order confirmation

Your special requirement is highly welcomed and will be fulfilled.
We always provide highest quality seamless pipe/tube and best service.

Steel Grade C Si Mn Cr Ni Mo S P Cu
10 0.07-0.14 0.17-0.37 0.35-0.65 0.15 0.3 --- --- --- ---
20 0.17-0.24 0.17-0.37 0.35-0.65 0.25 0.25 --- 0.03 0.025 0.3
35 0.32-0.40 0.17-0.37 0.50-0.80 0.25 0.3 --- 0.04 0.035 0.3
45 0.42-0.45 0.17-0.37 0.50-0.80 0.25 --- --- --- --- ---
40X 0.36-0.44 0.17-0.37 0.50-0.80 0.80-1.10 0.3 --- 0.035 0.035 0.3
30CTCA 0.28-0.34 0.90-1.20 0.80-1.10 0.80-1.10 0.3 --- 0.05 0.025 ---

 Mechanical Property
Steel Grade Tensile strength, N/mm2 (min) Yield strength Elongation, % min
10 343 206 24
20 412 245 21
35 510 294 17
45 589 323 14
40X 618 --- 14
30CTCA 491 --- 18
.

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Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. .

We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!