ASTM A179 Cold-Drawn Low-Carbon Seamless Steel Tube for Heat-Exchanger and Condenser
ASTM A179 Cold-Drawn Low-Carbon Seamless Steel Tube for Heat-Exchanger and Condenser is widely used for Marine boiler and superheater and Ⅰ, Ⅱ pressure piping with seamless steel tube manufacturing. This kinds of steel pipe is made by material of 320/360/410/460/490 according to the GB/T 5312 standard.
Size: Outer Diameter: 6-1000 mm,Wall Thickness: 1- 80 mm,Length :1-12m or as your request
Application:Manufacture of boilers or superheater.
Material:10#.20#.16Mn.A106(B,C).ST35-ST52
Outside diameter and wall thickness allow deviation mm
| sort code | Manufacturing method | Steel tube size | Allowable deviation | |
| WHR (WHEX) | Hot rolled(extruded)steel tube | OD | all | ±1%Dor±0.50(choose the bigger) |
| WT | ≤20 | -15% +0.45 -10%S or –0.30 (choose the bigger) | ||
| ＞20 | ±10%S | |||
| WHE | Heat expand steel tube | OD | all | ±1%D |
| WT | all | ±15%S | ||
| WCD (WCR) | Cold drawn(rolled) steel tube | OD | ≤30 | ±0.20 |
| 30＜D≤50 | ±0.30 | |||
| ＞50 | ±0.8%D | |||
| WT | 1.5≤S≤3 | +12.5% -10% S | ||
| ＞3 | ±10%S | |||
Bending of steel tube per meter
| OD/mm | Bending per meter(mm/m) |
| ≤15 | ≤1.5 |
| ＞15~30 | ≤2.0 |
| ＞30 or D≥351 | ≤3.0 |
The length of the steel tube bending should be not more than 1.5% of the steel tube length
What is your Guarantee?
1.SO9001:2008 and TS16949 certification, SGS, BV, TUV or other third party inspection is available.
2.High quality with competitive price.
3.Advanced technology, experienced engineer, ISO quality system for quality assurance and traceability.
Do you have agent or distributor in our country?
1.We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.
How is your production capability?
1.2000 tons monthly production capacity, 5000 tons monthly trading capability
2.Prompt and Timely shipment
How to get the sample?
1.You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2.Sample charges will be refunded when order is placed.
What is your Payment Term?
1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation
Who are your customers?
1.Stockists, Distributors,Wholesalors,Agents, Traders, End Users, etc
How long will you react on our requirement?
1.Your requirement would be treated within 24 hours on weekdays. Quotations would be sent upon technical details confirmed by customer!
Any more questions about your doubts, please feel free to send us your emails or call!
GB/T 14975 ASTM A 959-09 Seamless Stainless Steel Tubes for Structure 12Crl18Ni9
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.