ASTM A178
ASTM A178 properties and heat treatment forged piece, Including ASTM A178 application and specifications, We have all specifications，Including ASTM A178 steel plate, ASTM A178 sheet, ASTM A178 square steel, ASTM A178 flat bar,ASTM A178 round bar,ASTM A178 forgings, we can own production and sales.
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We can produce the ASTM A178 has the following specifications:
Round bar steel: 1mm to 3000mm
Square-shape steel: 1mm to 2000mm
Plate steel:0.1mm to 2500mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
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Chemical composition % of the ladle analysis of grade ASTM A178 and Standards
ASTM A178 C 0.2C SILICON-KILLED STEEL TUBES FOR BOILERS AND HEAT EXCHANGERS (STB 410)
Categories: Metal; Ferrous Metal; ASTM Steel
Material Notes: Creep and rupture data provided by NIMS
Key Words: DIN 17175 st 45.8; UNS K035503; BS 3059-P2 440; JIS G3461 STB 410
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Ultimate | 345 MPa | 50000 psi | |
| Tensile Strength, Yield | 180 MPa | 26100 psi | |
| Elongation at Break | 35.0 % | 35.0 % | |
| Rupture Strength | 67.0 - 69.0 MPa @Temperature 500 °C, Time 100000 hour |
9720 - 10000 psi @Temperature 932 °F, Time 100000 hour |
|
| 67.0 - 102 MPa @Temperature 475 °C, Time 100000 hour |
9720 - 14800 psi @Temperature 887 °F, Time 100000 hour |
||
| 83.0 - 140 MPa @Temperature 450 °C, Time 100000 hour |
12000 - 20300 psi @Temperature 842 °F, Time 100000 hour |
||
| 109 - 176 MPa @Temperature 425 °C, Time 100000 hour |
15800 - 25500 psi @Temperature 797 °F, Time 100000 hour |
||
| 147 - 231 MPa @Temperature 400 °C, Time 100000 hour |
21300 - 33500 psi @Temperature 752 °F, Time 100000 hour |
||
| Component Elements Properties | Metric | English | Comments |
| Carbon, C | 0.060 - 0.18 % | 0.060 - 0.18 % | |
| Iron, Fe | 99.12 - 99.67 % | 99.12 - 99.67 % | |
| Manganese, Mn | 0.270 - 0.630 % | 0.270 - 0.630 % | |
| Phosphorous, P | <= 0.035 % | <= 0.035 % | |
| Sulfur, S | <= 0.035 % | <= 0.035 % | |
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Machining performance
Download ASTM A178 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>
Principal Design Features
One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.
Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
Heat Treatment
CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
Forging
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.