TORICH ASTM A334 Seamless Carbon Steel Tubes For Low Temperature Service
TORICH ASTM A334 Seamless Carbon Steel Tubes For Low Temperature Service
Material: 20#.45#.
Standard: ASTM A334, GB/T 18984, JIS G3460, JIS G 3464
Classification and code
The seamless steel tubes produced by this standard are divided into two types according to the processing methods of the products.
Hot rolled (expanded) steel tube WH
Cold drawn (rolled) steel pipe WC
Delivery state: Delivery of steel tubes in a normalizing state.
usage: This standard is applicable to low temperature pressure vessel pipe and heat exchanger pipe.
Characteristic: TEST:
Good concentricity Tension Test
Good surface quality Flattening Test
Good OD and ID tolerance Flare Test
High Precision Hardess Test
Stable quality Impact test
Smooth Roughness
TORICH QUALITY ASSURANCE
Steel grade and chemical composition
| Steel grade | Chemical composition/% |
| C | Si | Mn | P | S | Ni | Mo | Co | Cu |
| Grade 1 | ≤0.30 | — | 0.40-1.06 | ≤0.025 | ≤0.025 | — | — | — | — |
| Grade 3 | ≤0.19 | 0.18~0.37 | 0.31-0.64 | ≤0.025 | ≤0.025 | 3.18-3.82 | — | — | — |
| Grade 6 | ≤0.30 | 0.10min | 0.29-1.06 | ≤0.025 | ≤0.025 | — | — | — | — |
| Grade 7 | ≤0.19 | 0.13~0.32 | ≤0.90 | ≤0.025 | ≤0.025 | 2.03-2.57 | — | — | — |
| Grade 8 | ≤0.13 | 0.13~0.32 | ≤0.90 | ≤0.025 | ≤0.025 | 8.40-9.60 | — | — | — |
| Grade 9 | ≤0.20 | — | 0.40-1.06 | ≤0.025 | ≤0.025 | 1.60-2.24 | — | — | 0.75-1.25 |
| Grade 11 | ≤0.10 | ≤0.35 | ≤0.60 | ≤0.025 | ≤0.025 | 35.0-37.0 | ≤0.50 | ≤0.50 | — |
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to 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.
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