| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 20 tons per month |
| Delivery Time | 45-60 work days |
| Packaging Details | Packed in hexagonal in boxes |
| OD | 15.9-310.8mm |
| WT | 1.1-50mm |
| Length | Max12000mm |
| Standard | ASTM A 556,etc |
| Usage | Boiler |
| OD Tolerance | 0,+20% |
| Brand Name | TORICH |
| Model Number | ASTM A556 |
| Certification | ISO9001 ISO14001 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 20 tons per month |
| Delivery Time | 45-60 work days | Packaging Details | Packed in hexagonal in boxes |
| OD | 15.9-310.8mm | WT | 1.1-50mm |
| Length | Max12000mm | Standard | ASTM A 556,etc |
| Usage | Boiler | OD Tolerance | 0,+20% |
| Brand Name | TORICH | Model Number | ASTM A556 |
| Certification | ISO9001 ISO14001 | Place of Origin | China |
| High Light | C2 Seamless Boiler Tubes ,ASTM A556 Seamless Boiler Tubes ,ASTM A556 Boiler Tubes | ||
Torich ASTM A556 Seamless Cold Drawn Seamless Boiler Pipe
This standard is issued under the fixed designation A556/A556M;the number immediately following the designation indicate the year of original adoption or,in the case of revision,the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon indicates an editorial change since the last revision or reapproval.
Reference documents:
A450/A450M Specification for General Requirement for Carbon and Low Alloy Steel Tubes
E30 Test Methods for Chemical Analysis of Steel,Cast Iron,Open-Hearth Iron and Wrought Iron
1. Scope: This specification covers minimum-wall-thickness, seamless cold-drawn carbon steel tubes including bending into the form of U-tubes,if specified,for use in tubular feed water heaters.
Size : from 5/8 to 1 1/4-in 15.9-31.8mm
Outerside diameter,inclusive,with minimum wall thickness equal to or greater than 0.045inch (1.1mm)
Order Information:
OD: 5/8’’- 1 1/4” (15.9-31.8mm) WT: ≥ 0.045’’ 1.1mm OD Tolerance : 0,+20%
Chemical Requirement :
| Composition ,% | ||
| Grade A2 | Grade B2 | Grade C2 | |
| Carbon, max | 0.18 | 0.27 | 0.30 |
| Manganese | 0.27-0.63 | 0.29-0.93 | 0.29-1.06 |
| Phosphorus, max | 0.035 | 0.035 | 0.035 |
| Sulfur, max | 0.035 | 0.035 | 0.035 |
| Silicon , min | ... | 0.10 | 0.10 |
Hardness Requirement:
| Grade A2 | HR B 72 |
| Grade B2 | HR B 79 |
| Grade C2 | HR B 89 |
Tensile Requirements:
| Grade A2 | Grade B2 | Grade C2 | |
| Tensile strength,min,ksi(Mpa) | 47(320) | 60(410) | 70(480) |
| Yield Strength,min,ksi(Mpa) | 26(180) | 37(260) | 40(280) |
| Elongation in 2 in or 50min, min,%(longitudinal) | 35 |
30 | 30 |
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QUALITY CONTROL
1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8~ Packing and Stocking.
A&Q
A: A professional steel pipes materials inventor, manufacturer and solution provider
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, it is according to quantity.
A: Yes, we could offer the sample of SCM 440 42CrMo Mechanical Tubing for Reinforcement sleeve for free charge but need pay the cost of freight.
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat... Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat...
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