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Standard: GB/T3624, GB/T3625, ASTM B338/ASME SB338, ASTM B861/ASME SB861, DIN17861, ASTM A370
Size range: OD: 5-89mm
WT: 0.2-5.2mm
Length: 15m max
Material: 3.7025, 3.7035, 3.7235, 3.7195, 3.7105
Usage: Condenser and Heater-Exchange
Chemical Composition%
Grade | N max | C max | H max | Fe max | O max | Residual | Al | V | Pd | Mo | Cr | Si max | S max | Mn max | Cu | Oth ers | Ni | Ti | |
Each max | Total max | ||||||||||||||||||
3.7025 | 0.05 | 0.06 | 0.013 | 0.15 | 0.12 | 0.1 | 0.4 | - | - | - | - | - | - | - | - | - | - | - | balance |
3.7035 | 0.05 | 0.06 | 0.013 | 0.20 | 0.18 | 0.1 | 0.4 | - | - | - | - | - | - | - | - | - | - | - | balance |
3.7055 | 0.05 | 0.06 | 0.013 | 0.25 | 0.25 | 0.1 | 0.4 | - | - | - | - | - | - | - | - | - | - | - | balance |
3.7235 | 0.05 | 0.06 | 0.013 | 0.20 | 0.18 | 0.1 | 0.4 | - | - | 0.15-0.25 | - | - | - | - | - | - | - | - | balance |
3.7195 | 0.04 | 0.05 | 0.015 | 0.30 | 0.12 | 0.1 | 0.4 | 2.5-3.5 | 2.0-3.0 | - | - | - | - | - | - | - | - | - | balance |
3.7105 | 0.03 | 0.08 | 0.013 | 0.25 | 0.25 | 0.1 | 0.4 | - | - | - | 0.2-0.4 | - | - | - | - | - | - | 0.6-0.9 | balance |
Grade | TS(Mpa) | YS(Mpa) | E(%), min |
3.7025 | 290-450 | ≥180 | 30 |
3.7035 | 390-540 | ≥250 | 22 |
3.7055 | 460-590 | ≥320 | 18 |
3.7235 | 390-540 | ≥250 | 22 |
3.7195 | ≥620 | ≥520 | 15 |
3.7105 | ≥480 | ≥345 | 18 |
Characteristic:
Good concentricity High Precision
Good surface quality Stable quality
Good OD and ID tolerance Smooth Roughness
TORICH QUALITY ASSURANCE
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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