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If you work with pressure vessels or boilers, knowing the equivalent materials for SA285 Gr A, Gr B, and Gr C is helpful for finding cheaper or local options.
SA285 is a low-carbon steel under the asme sa 285/sa 285m standard, used for low-pressure tanks.
The grades A, B, and C have more strength as the letter goes up. At Gangsteel, we make and sell SA285 plates from China.
This guide shows equivalents for each grade, with tables to compare. For the full astm a285/a285m steel plate range, which is like SA285, check our stock. You can find asme sa 285 grade a for low strength, asme sa 285 grade b for medium, or asme sa 285 grade c for higher. To see astm a285 grade equivalent material like EN P235GH, visit our page on astm a285 grade equivalent material.
SA285 Gr A has the lowest strength, with tensile 45-65 ksi and yield 24 ksi. It is good for very low-pressure vessels.
Equivalents are chosen for similar low carbon and strength. The main one is ASTM A285 Grade A, which is the same.
Other equivalents:
These work like SA285 Gr A for simple jobs. For astm a 285 grade a, it is the same as Gr A.
SA285 Gr B has medium strength, with tensile 50-70 ksi and yield 27 ksi. It is for a bit higher pressure than Gr A.
Equivalents have similar mix and strength. The main one is ASTM A285 Grade B.
Other equivalents:
These are good for medium-pressure jobs like SA285 Gr B. For astm a 285 grade b, it is the same as Gr B.
SA285 Gr C has the highest strength in the group, with tensile 55-75 ksi and yield 30 ksi. It is for medium-pressure vessels.
Equivalents have a bit more strength but similar low carbon. The main one is ASTM A285 Grade C.
Other equivalents:
These match SA285 Gr C for low- to medium-pressure. For astm a 285 grade c, it is the same as Gr C.
The equivalents for Gr A are for very low strength, Gr B for medium, and Gr C for a bit higher. They all have low carbon for easy weld and are used in similar low-pressure jobs.
Comparison table for SA285 grades and equivalents:
|
SA285 Grade |
Tensile (ksi) |
Yield (ksi) |
Equivalent (EN) |
Equivalent (JIS) |
Equivalent (DIN) |
Equivalent (GB) |
|---|---|---|---|---|---|---|
|
Gr A |
45-65 |
24 |
P235GH |
SPV235 |
HI |
Q245R |
|
Gr B |
50-70 |
27 |
P265GH |
SPV315 |
HII |
Q275R |
|
Gr C |
55-75 |
30 |
P235GH |
SPV235 |
HI |
Q245R |
This shows Gr C equivalents have a little more strength.
SA285 Gr A equivalents include ASTM A285 Grade A, EN P235GH, DIN HI, JIS SPV235, BS 161-360A, GB Q245R, with yield ~24 ksi for low-pressure vessels.
SA285 Gr B equivalents include ASTM A285 Grade B, EN P265GH, DIN HII, JIS SPV315, BS 161-430A, GB Q275R, with yield ~27 ksi for medium-pressure tanks.
SA285 Gr C equivalents include ASTM A285 Grade C, EN P235GH, DIN HI, JIS SPV235, BS 161-360A, GB Q245R, with yield ~30 ksi for moderate-pressure boilers.
Gr A equivalents are for lowest strength (yield 24 ksi), Gr B for medium (27 ksi), Gr C for highest (30 ksi) in the group. All are low-carbon for welding, but higher grades suit more pressure.
Yes, SA285 Gr A/B/C are the same as ASTM A285 Grade A/B/C, with SA285 for ASME rules.
asme sa285 gr a equivalent materials comparison, asme sa285 grade b boiler steel chemical composition details, asme sa285 grade c pressure vessel steel specifications
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