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Model No.: ASTM A178
Brand: TORICH
Standard: ASTM A178, ASTM A450
Technics: Cold Drawn
Alloy: Non-alloy
Shape: Round
Surface Treatment: Oiled
Heat Treatment: Annealing
Keyword: ERW Boiler Pipe
Usage: Boiler And Heat Exchanger Tubes
Grade: GrA, GrB, GrD
OD: 12.7 - 127 Mm
WT: 0.9 - 9.1 Mm
Production: ERW Welded
Packaging: ERW Boiler and Heat Exchanger Tubes packed in wooden boxes or hexagonal bundles in seaworthy packing.
Productivity: 20000 tons/year
Transportation: Ocean,Land,Air
Place of Origin: China (Zhejiang)
Supply Ability: 5000Tons per Year
Certificate: ISO9001,ISO14001,TS16949
Port: Shanghai,Ningbo
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Steel Grade/Steel Material:
Carbon Steel and carbon manganese steel
Size Range:
OD: 12.7-127mm
WT: 0.9-9.1mm
Length: 1-12mm
Production: Electric Resistance Welding
Heat treatment:
After welding, all tubes are heat treated at a temperature of 1650℉ (900℃) or higher and followed by cooling in air or in the cooling chamber of a controlled atmosphere furnace.
Cold-Drawn tubes are heat treated after the final cold-draw pass at a temperature of 1200℉(650℃)or higher.
Tests and Inspection:
Tensile Test
Crush Test
Mechanical Test
- Flattening Test
- Flange Test
Chemical Requirements
Element | Composition,% | ||
Grade A Low-Carbon Steel | Grade C Medium-Carbon Steel | Grade D Carbon-Manganese Steel | |
C | 0.06-0.18 | 0.35 max | 0.27 max |
Mn | 0.27-0.63 | 0.80 max | 1.00-1.50 |
P, max | 0.035 | 0.035 | 0.030 |
S, max | 0.035 | 0.035 | 0.015 |
Si | - | - | 0.10 min |
Mechanical Properties
Mechanical Properties | Grade A | Grade C | Grade D |
Tensile strenth, min, ksi [MPa] | 47[325] | 60[415] | 70[485] |
Yield strenth, min, ksi [MPa] | 26[180] | 37[255] | 40[275] |
Elongation | ≥35% | ≥30% | ≥30% |
Characteristic: Good concentricity Good surface quality
Good OD and ID tolerance High Precision
Stable quality Smooth Roughness
TORICH QUALITY ASSURANCE
Product Pictures:
Company Introduction:
TorichInternational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes.
Our main products:Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Tube.
Our factory was established since 1997, with the name of Haiyan SanxinSteel Pipe Co., Ltd. The factories` technicians are of great engineering experience in steel pipe industry for more than 20 years, who are in great command of production technology for Cold Drawing and Cold Rolling, as well as heat treatment and inspection. So we have strong technician team and manufacturing capability.
Packing:
Our Certificate:
FAQ
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.
If you have another question, pls feel free to contact us
Product Categories : Welded Steel Pipe
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.