SA178a Annealed ASTM A178 ERW Heat Exchanger Tubes
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
Minimum Order Quantity : | 10 Tons | Price : | USD1000-1300/ton |
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Packaging Details : | In wooden boxes or hexagonal bundles in seaworthy packing | Delivery Time : | 35-45days |
Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Place of Origin: | CHINA | Brand Name: | TORICH |
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Certification: | ISO9001, ISO14001, TS16949 | Model Number: | ASTM A556 |
Detail Information |
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Product Name: | Seamless Carbon Steel Tube For Boiler | Model No: | ASTM A556 |
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Technique: | Cold Drawn | Steel Grade: | Gr A2, Gr B2, Gr C2 |
Type: | Seamless | Alloy Or Not: | Not Alloy |
Section Shape: | Round | Application: | For Boilers, Superheaters |
High Light: | Gr A2 seamless carbon steel tube,Gr B2 seamless carbon steel tube,ASTM A556 steel boiler tube |
Product Description
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 :
Element |
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 |
Reference documents:
ASTM standard.
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
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