Refrigeratory house steel pipe
Standard: ASTM A106, ASTM A53
Steel grade: Gr.A, Gr.B, Gr.C
Outer diameter: 21.3mm~406.4mm
Wall thickness: 2.11mm~50mm
Tolerances of diameter: ±0.4mm~±1mm
Tolerance of wall thickness: ±12.5%
Length: 6 meters, 9meters, 12 meters, Random length.
End processing: Bevel ends, Plain ends. Can be protected by end caps.
Surface: bare pipe,Iron oxide red painting

Mechanical Properties ASTM seamless steel tube:
| Standard |
Steel grade |
Tensile strength
(Mpa) |
Yield point
(Mpa) |
Elongation
(%) |
| ASTM A106 |
Gr.A |
≥330 |
≥205 |
20 |
| Gr.B |
≥415 |
≥240 |
20 |
| Gr.C |
≥405 |
≥275 |
20 |

Chemical Composition ASTM seamless steel tube:
| standard |
Steel grade |
Chemical composition (%) |
| C ≤ |
Mn |
P ≤ |
Si ≥ |
S ≤ |
Cr ≤ |
Ni ≤ |
Cu ≤ |
| ASTM A106 |
Gr.A |
0.25 |
0.27~0.93 |
0.035 |
0.1 |
0.035 |
0.4 |
0.4 |
0.4 |
| Gr.B |
0.3 |
0.29~1.06 |
0.035 |
0.1 |
0.035 |
0.4 |
0.4 |
0.4 |
| Gr.C |
0.35 |
0.29~1.06 |
0.035 |
0.1 |
0.045 |
0.4 |
0.4 |
0.4 |

FAQ
Q: What's your advantages
1. More than 15 years experience of manufacturing and exporting work of steel pipe products.
2. ISO/SGS/CE certified factory.
3. Special teams for sales, production, logistic and after sale services.
Q: Are you a manufacturer?
A: Yes, Our factory located in Shandong Province, China. The factory is qualified by ASME, DIN standard, with manual output more than 50000 tons. You could definitely enjoy our direct factory price.
Q:Can we visit your factory ?
A: We welcome you come to China any time to visit our factory.
Q: Do you have quality control?
A: Yes, we have gained BV, SGS authentication, during production and before shipment, the third party inspection is also accepted.
Q: What pre-sales service you provide?
A: Prompt quotation, sample checking for free, 24 hours online communication, professional shipment freight calculation.
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 25-45 days if the goods are not in stock, it is according to
quantity.
Q: How do you make our business long-term and good relationship ?
A: 1.We keep good quality and competitive price to ensure our customers' benefit.
2.We respect every customer as our friend and we sincerrly do business and make friends with them, no matter where they come from.