ASTM A106B Seamless Steel Pipe DN20 - DN400 Steel Pipe A106A/B/C Seamless Pipe
SA106B is a steel for boiler steel pipe, SA106B is an American grade, and China calls it 20G steel pipe. zhidao
SA106GrB steel pipe is mainly used to manufacture high-pressure and higher-parameter boiler pipe fittings, low-temperature section superheaters, reheaters, economizers, and water-cooled walls; Economizer pipes, etc., large-diameter pipes are used for steam pipes and headers with wall temperature ≤450 ° C (economizer, water-cooled wall, low-temperature superheater and reheater header), medium temperature ≤450 ° C, pipeline accessories, etc.
- Outside diameter: 1/8''--48''
- Thickness: Sch5--Sch XXS
- Length: 0.5m-12m (custom made if length over 12m)
- Minimum order:1 piece
Chemical composition:
| ASME SA106 | Elements % |
| C ≤ | Mn | P ≤ | S ≤ | Si ≥ | Cr≤ | Mo≤ | Cu≤ |
| SA106GrB steel pipe | 0.30 | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.4 | 0.15 | 0.4 |
Seamless steel pipe SA106GrB Mechanical Properties:
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 415min | 240min | 30 min | |
Standards referred for making ASTM A106 pipes
References ASTM standards:
a. ASTM A530/ A530M This is the standard specification for the common requirements of the carbon, and alloy pipes.
b. E213 The standard for the Ultrasonic Examination test
c. E309 The standard for the Eddy Current examination test
d. E381 The standard for the plan of Macroetch test, for the steel products the steel bars, steel billets, blooms, and forging steels.
e. E570 The standard for the test plan for the flux leakage test of the ferromagnetic steel pipe and pipeline products.
f. Related ASME Standard:
g. ASME B 36.10M The nominal sizes standard specification for the welded and seamless steel pipe.
h. Related Military standard:
i. MIL-STD-129 The standard for the markings of shipment and storage.
j. MIL-STD-163 The standard for the storage and shipment for the steel forging products.
k. Related federal standard:
l. Fed. Std. No. 123 The standard for the civil agencies for the marking and shipments.
m. Fed. Std. No. 183 The standard specification for the continuous ID marking for steel products
n. Surface standard:
o. SSPC-SP 6 The standard specification for the surface.
Grade B Seamless Pipe
ASTM A106 standard specifications for the seamless steel pipe have three grades, that is ASTM A106 Gr. A, Grade. B and C, with the higher grade material, the strength performance is better.
Test Methods
The test methods for the ASTM A106 A, B, C are the flattening tests, hydrostatic test, nondestructive electric test, Ultrasonic test, eddy current test, flux leakage test, these test procedures shall be notified or discussed with client to confirm what kind of test will be applied.
Our Supply Range for Sale
Octalsupplied ASTM A106 Grade A, Grade B, Grade C seamless carbon steel pipes as below conditions:
Standard: ASTM A106, Nace, Sour service.
Grade: A, B, C
Range of OD outer diameter: NPS 1/8 inch to NPS 20 inch, 10.13mm to 1219mm
Range of WT wall thickness: SCH 10, SCH 20, SCH STD, SCH 40, SCH 80, to SCH160, SCHXX; 1.24mm up to 1 inch, 25.4mm
Range of length: 20ft to 40ft, 5.8m to 13m, single random lengths of 16 to 22ft, 4.8 to 6.7m, double random length with average 35ft 10.7m
Ends procession: Plain end, beveled, threaded
Coating: Black paint, varnished, epoxy coating, polyethylene coating, FBE and 3PE, CRA Clad and Lined.
