ASTM A378 grade 2 specification covers chromium-molybdenum alloy steel plate intended primarily for welded boilers and pressure vessels designed for elevated temperature service.
ASTM A378 grade 2 chemical composition
|
Element |
Carbon |
Manganese |
Phosphorus,max |
Sulfur,max |
Silicon |
chromium |
Molybdenum |
|||||||
|
Grade 2 |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis |
|
0.05-0.21 |
0.04-0.21 |
0.55-0.80 |
0.50-0.88 |
0.035 |
0.035 |
0.035 |
0.035 |
0.15-0.40 |
0.13-0.45 |
0.50-0.80 |
0.46-0.85 |
0.45-0.60 |
0.40-0.65 |
|
ASTM A378 grade 2 welded steel pipe/tube mechanical properties
|
|
Tensile strength,ksi[mpa] |
Yield strength,min,ksi[mpa] |
Elongation in 8 in[200mm],min,% |
Elongation in 2 in[50mm],min,% |
Reduction of area,min,% |
|
Grade 2 |
70-90 |
45[310] |
18 |
22 |
|
ASTM A378 grade 2 welded steel pipe Specifications or Size:Out Diameter 12.5mm—824mm ；Wall Thickness : 2mm—100mm；Length: Random length, Fixed Length, SRL, DRL
Heat treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
ASTM A378 grade 2 welded steel pipe Surface treatment:PVC,black and color painting；Transparent oil,anti-rust oil；According to clients requirement
Finished goods condition:hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Payment : TT, LC,DP are all ok
Trade Terms : FOB / CFR /CIF
MOQ : 10 Tons
Delivery period: according to the material ,the standard, and the quantity of the contract.
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