GB 18248 30CrMnSiA Seamless Boiler Tube / Large diameter stainless steel pipe
Quick Detail:
Standard: GB 18248
Grade: 3oCrMnSiA
OD. Range:80mm – 350 mm
Wall thickness: 0.8 mm-15 mm
Length: Max length 25000mm
Description:
GB 18248 30CrMnSiA Seamless Steel Tubes for Gas Cylinder, Boiler
Steel Grde:
37Mn 30CrMo 34Mn2V 35CrMo 34CrMo4 30CrMnSiA etc.
Material:
TP304/304L/304H, 316/316L, 321/321H, 317/317L, 347/347H, 309S, 310S,S31803,S32205, S2570,S32760,S32304, 904L
08X18H10 03X18H11 08X18H10T 12X18H10T 08X17H14M2 03X17H14M2 10X17H13M2T 20X23H18
SUS304TP SUS304LTP SUS304HTP SUS316TP SUS316LTP SUS316HTP, SUS321TP, SUS321HTP, SUS347TP, SUS347HTP, SUS310STP SUS317TP, SUS890LTP,
EN1.4301, 1.4306, 1.4948, 1.4401, 1.4404, 1.4571, 1.4541, 1.4833, 1.4878, 1.4550, 1.4462, 1.4438, 1.4845.
Nominal Dia: 1/2 "to 32" NB for seamless pipe
Nominal Dia: 1/2 "to 32" NB for seamless pipe
Schedules: 5S, 10S, 40S, 80S, 10, 20, 30...120, 140, 160, XXS
All dimensions are in accordance with ANSI B36.19 and ANSI B36.10
Size Range for tubing: OD:1/4" (6.25mm) to 10" (254mm), WT 0.02" (0.5mm) to 0.5"(12mm)
Length:
30 m(Max) or as your requirement
Process:
Cold drawn, Cold rolled, Precision Rolled for Seamless Pipe or Tube
Finish: Annealed & pickled, bright annealing, polished
Ends: Beveled or plain end, square cut, burr free ,Plastic Cap at Both end
| 1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material |
| 2.100% Dimension & Visual Examination |
| 3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test |
| 4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT) |
| 5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor) |
| 6.Straightness Test (optional) |
| 7.Roughness Test (optional) |
| 8.Intergranular Corrosion Test(optional) |
| 9.Impact Test (optional) |
| 10.Grain Size Determinations (optional) |
| NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION. |
Applications:
Steel Grade : 37Mn 30CrMo 34Mn2V 35CrMo 34CrMo4 30CrMnSiA etc.
Mainly used for Gas Cylinder.
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