a105 steel round bar for pipe fittings and flanges
astm a105 carbon steek is ASTM specification dealing with forged carbon steel piping components such as pipe fittings and flanges. astm a105 steel is low carbon, manganese and silicon containing steel similar to AISI1330 but with a lower manganese content.
astm a105 specification:
1. astm a105 steel round bar is used to produce steel pipe fittings and flanges.
2. astm a105 steel round bar production line: EAF + LF + CC + HR
3. astm a105 round bar further processing includes cold drawn, forging, peeling, turning etc.
4. astm a105 steel round bar chemical composition:
C | SI | MN | S | P | TI |
0.35(MAX) | 0.15-0.35 | 0.60-1.05 | 0.035(MAX) | 0.035(MAX) | 0.05-0.10 |
5. Mechanical Property:Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation | Reduction Area |
Min | Min | Min | Min |
485 | 250 | 22 | 30 |
6.Quality control
1) Processing Line:
Iron - hot metal pretreatment - Converter - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
Electric Furnace - Refining --VD / RH- - Continuous Casting - Hot Rolling (KOCKS) - heat --UT Check - Processing and Distribution Center
2) Gas content level:O2 - <20 ppm H2 - <2 ppm N2- <100 ppm
3) Grain Sizes:5-8
4) non-metallic inclusions contorlling level
| A | B | C | D |
| MAX | MAX | MAX | MAX |
Thin | 2.0 | 2.0 | 2.0 | 2.0 |
Thick | 1.0 | 1.0 | v | 1.0 |
7.Size
Hot Rolled | 16mm to 320mm |
Cold Drawn | 8mm to 120mm |
Peeled/Turned | 14mm to 120mm |
8.Size tolerance
DIA | 7-20 | 20-30 | 30-50 | 50-80 | 80-110 | 110-150 | 150-190 | 190-250 |
MM | +0.35 -0.35 | +0.40 -0.40 | +0.50 -0.50 | +0.70 -0.70 | +1.0 -1.0 | +1.3 -1.3 | +2.0 -2.0 | +2.5 -2.5 |
9. .Delivery condition
Hot Rolled/Cold Drawn/Forged/Q+T/Peeled/cutting
Qingdao Helio Steel Co., Ltd. Was established in March19, 2012. Our company's business staff members possess professional service capabilities of steel products, with more than a decade of experience on steel production, technology development, product sales and foreign trade. We comply the principle of friendly cooperation and mutual benefit, and persist in developing together with new and old customers.
Our company is located in Qingdao, a coastal city of Shandong Province, which is near Laiwu Steel Group. Only Laiwu City has steel production capacity of 20 million tons each year. Meanwhile, it is also the largest production base of powder metallurgy products in the whole country. Otherwise, there are more than ten well-known steel manufacturers within the province and the surrounding areas, so steel resources here is abundant and we can meet customers' various requirements.
Our company is mainly engaged in steel products for various specifications and materials, such as continuous casting billets, continuous casting tubes, hot-rolled bars, tubes, hot-rolled square steel, flat steel, H section steel, hot-rolled coils, cold-roll large-size panels, forging materials, and forgings.
We also run the import and export of steel products, based on the needs of customers at home and abroad to develop a variety of special steel products and timely delivery. I hope to sincerely cooperate with domestic and foreign customers, providing high-quality and low-priced products and professional services.