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ASTM A105 Pipe Fittings Of Carbon Steel Forgings
Tianjin Wanlei can supply various kinds of carbon steel forgings including steel reducers, equal tees, steel elbows, flanges and blinds. ASTM A105 standard covers forged carbon steel piping components for ambient and higher temperature service in pressure systems.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of astm a105 pipe fittings of carbon steel forgings in China, featured by quality products and low price. If you're going to wholesale durable astm a105 pipe fittings of carbon steel forgings made in China, welcome to get pricelist and free sample from our factory.
Introduction of ASTM A105 carbon steel forgings
ASTM A105 standard covers forged carbon steel piping components for ambient and higher temperature service in pressure systems. Included are flanges, fittings, valves, and similar parts ordered either to dimensions specified by the purchaser or to dimensional standards. Forgings made to this specification are limited to a maximum weight of 4540kg. Heat treatment is not a mandatory requirement except for flanges above Class 300, piping components other than flanges which meet both over NPS 4(114.3MM) and above Class 300.
Chemical requirements
Element | C | Mn | P | S | Si | Cu | Ni | Cr | Mo | V |
A105 | ≤0.35 | 0.60-1.05 | ≤0.035 | ≤0.040 | 0.1-0.35 | ≤0.4 | ≤0.4 | ≤0.3 | ≤0.12 | ≤0.08 |
Notes: 1. For each reduction of 0.01% below the specified carbon maximum 0.35%, an increase of 0.06% manganese above the specified maximum 1.05% will be permitted up to a maximum of 1.65%. 2. The sum of copper, nickel, chromium, molybdenum, and vanadium shall not exceed 1.00%. 3. The sum of chromium and molybdenum shall not exceed 0.32%. 4. Steels to which lead has been added shall be not be used. | ||||||||||
Mechanical requirements
Item | Tensile strength min | Yield strength min | Elongation min | Hardness max |
A105 | 485 MPa | 250MPa | 30% | 197 HBW |
For strip tests, a deduction for each 0.8mm decrease in wall thickness below 7.9mm from the basic minimum elongation of the percentage points listed
Wall thickness | Elongation in 2inch or 50mm min , % | |
Inch | millimeter | |
5/16 | 7.9 | 30.00 |
9/32 | 7.1 | 28.50 |
1/4 | 6.4 | 27.00 |
7/32 | 5.6 | 25.50 |
3/16 | 4.8 | 24.00 |
5/32 | 4.0 | 22.50 |
1/8 | 3.2 | 21.00 |
3/32 | 2.4 | 19.50 |
1/16 | 1.6 | 18.00 |
Notes: The minimum elongation value is determined by the equation: E=48T+15.00 E=minimum elongation in 2in. Or 50mm, % T= actual thickness of specimen, in. | ||
Hardness of ASTM A105 carbon steel forgings
The purchaser may check the hardness of any or all forgings supplied at any location on the forging and the hardness shall be 137 to 197 HBW. All forgings not within the specified hardness range can be rejected.
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