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| Brand Name: | TORICH |
| Model Number: | BS970 805H20 |
| MOQ: | 5 ton |
| Price: | negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T |
| Supply Ability: | 20000 ton /year |
BS970 805H20 Alloy Steel Tube
BS970 Alloy Steel Grade
Alloy steels can be supplied with a grain size of 5 to 8 determined in accordance with BS4490 or another method by agreement. Steel supplied to hardenability reqquirements are supplied fine-grained and if coarse grain steel is specifically required, then the hardenaility shall be subject to negotiation.
251A58 251H60
251A60 525H60
525A58 685H57
525A60 704H60
525A61 705H60
685A57 735H51
704A60 805H60
705A60 735A51
735A54 925A60
BS970 805H20 Chemical Composition Table
| C | Si | Mn | S | P | Cr | Mo | Ni |
| 0.17-0.23 | 0.10-0.35 | 0.60-0.95 | ≤0.025 | ≤0.006 | 0.35-0.65 | 0.15-0.25 | 0.35-0.75 |
Hardness: 143-187 HB
| HRC values at distance | |||||||||
| 1.5 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | ||
| 48 | 47 | 44 | 40 | 35 | 32 | 30 | 28 | MAX | Hardness (HRC) |
| 41 | 37 | 31 | 25 | 22 | 20 | - | - | MIN | |
|
Steel | Hardening temperature | Requirements for hardness test | Maximum hardness HB | ||
| Preheat treatment | Austenitizing temperature | Bars and billets for forging | Forgings and bars for machining | ||
| 805H20 | 830-840 | 930-950 | 925 | 207 | 207 |
20CrNiMo
| Chemical Composition Table | |||||||
| C | Si | Mn | S | P | Cr | Mo | Ni |
| 0.17-0.23 | 0.17-0.37 | 0.60-0.95 | ≤0.035 | ≤0.035 | 0.40-0.70 | 0.20-0.30 | 0.35-0.75 |
| Mechanical Properties | ||
| Tensile strength σb (MPa) | Yield strength σs (MPa) | Elongation δ5 (%) |
| ≥980(100) | ≥785(80) | ≥9 |
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Main market | Middle east, Africa, North and South America, East and West Europe, South and southeast Asia, Australia
|
| Payment term | 30% T/T in advance, the balance 70% paid before shipment |
| Minimum quantity of order | 5 ton |
| Delivery period | 45-60 days after receiving 30% T/T in advance |
| Packing | antirust protection, In hexagon bundles, in wooden box |
| Quantity tolerance | +/-10% |
Who We are ?
-------A professional steel pipes materials inventor, manufacturer and solution provider Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials.
It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories` technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability.
