Delivery Time:25~35days
Certification:ISO9001 14001 BV TUV PED DNV etc
ASTM A178 DIN JIS Welded ERW Steel Tube / Boiler Steel Pipe Wall Thickness 6mm
Quick Detail:
1,Standards: ASTM A178 (ASME SA178)
2,Grade: Grade A, Grade C, Grade D.
3,Specifications: diameter 15.88mm to 114.3mm; thickness: 1.5mm to 6.0 mm; length: 6 m and above; and, modified specifications according to customer requirements.
Description:
Product name: ASTM A178/A178M
Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes
Standard executived: ASTM A178 A178M, ASTM DIN JIS or GB standard
Grade: Grade A, Grade C, Grade D.
Outside diameter:15.88mm~114.3mm
Wall Thickness:1.5mm~6.0mm
Length:6m-24m,also can be manufactured according to customers\' requirements
Type: Electric-Resistance-WeldedCarbonSteel (ERW)
Ends:Plain ends or bevel ends
Delivery Conditions: BK,BKS,BKW,NBK,GBK( As drawn, quenched and tempered, normalized, annealed, stress-relieved)As different requirements,It including pickling,etc. AS per Standard.
Coating for protection:black painting,anti-rust oiled or varnish,also can be required according to customers\' requirements
Factory test and other terms:
1.Hydrostatic or Nondestructive Electric Test
2.Heat Treatment: according to Standard
3.Surface Condition:According to Standard.
4.Grain Size:According to standard
5.Sampling:flattening,flaring,grain size,Marking
6.we provide bevel end,plastic cap, varnish coating, oiled or black painted to prevent rustand other packing
service.
Applications:
ASTM A178 tubes are a kind of frequently-used tubes in our life,they are mainly used in manufacturing heating pipelines,containers,coal-saving devices,superheaters,arch tube,reheater tube,airway tube etc.
Chemical Requirements:
|
Composition,% |
|||
|
Element |
Grade A, Low-Carbon Steel |
Grade C, Medium-Carbon Steel |
Grade D Carbon-Manganese Steel |
|
Carbon Managanese Phosphorus,max Sulfur,max Silicon |
0.06-0.18 0.27-0.63 0.035 0.035 … |
0.35max 0.08max 0.035 0.035 … |
0.27max 1.00-1.50 0.030 0.015 0.01 min |
Mechanical Property:
Grade C & Grade D tubes shall conform to the requirements -tensile properties prescribed below:
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TensileRequirements |
||
|
GradeC |
GradeD |
|
|
Tensilestrength,min,ksi[MPa] Yieldstrength,min,ksi[MPa] Elongationin2in.or50mm,min,% For longitudinal strip tests a deduction for Each1⁄32-in[0.8mm]decreaseinwallthicknessbelow5⁄16in.[8mm] From the basic minimum elongation of the following percentage points shall be made |
60[415] 37[255] 30 1.50A |
70[485] 40[275] 30 1.50A |
|
Grade A |
|
|
Tensilestrength,min,ksi[MPa] Yieldstrength,min,ksi[MPa] Elongationin2in.or50mm,min,% |
47[325] 26[180] 35 |
Outside diameter and Wall ThicknessTolerance:
|
Outside Diameter tol |
Wall thickness tol |
|
|
OD < 50 |
±0.05mm |
S < 4mm |
