GB 3Cr2W8V JIS SKD5 DIN 1.2581 AISI ASTM H21 Round Steel Bar
1: AISI H21 steel introduction
H21 steel is a hot sham W-Cr-Mo Tungsten hot take steps steel partner ASTM A681-1999 Steel Grade suitable. H21 Special Steel China Supplier and factory SAE Special Steel Supply H21 Tool steel in Round bar, Plate, Flat bar, Square, Forging Ring and others any swap. And have the funds for choking, sawing, milled, machining paperwork.
2: AISI H21 Steel equivalent
| Country |
China |
Japan |
Germany |
USA |
UK |
| Standard |
GB/T 1299 |
JIS G4404 |
DIN EN ISO4957 |
ASTM A681 |
BS 4659 |
| Grade |
3Cr2W8V |
SKD5 |
1.2581 |
H21 |
|
3: AISI H21 steel chemical composition
| Grade |
C |
Si |
Mn |
P |
S |
Cr |
W |
V |
| H21/T20821 |
0.26~0.36 |
0.15~0.50 |
0.15~0.40 |
0.030 Max |
0.030≤ |
3.00~3.75 |
8.50~10.0 |
0.30~0.60 |
| 1.2581/ X30WCrV9-3 |
0.25~0.35 |
0.15~0.30 |
0.20~0.40 |
0.035 Max |
0.035 ≤ |
2.50~2.80 |
8.00~9.00 |
0.30~0.40 |
| 3Cr2W8V |
0.30~0.40 |
≤0.40 |
≤0.40 |
0.030 Max |
0.030 ≤ |
2.20~2.70 |
7.50~9.00 |
0.20~0.50 |
| SKD5 |
0.25~0.35 |
0.10~0.40 |
0.15~0.45 |
0.030 Max |
0.020 ≤ |
2.50~3.20 |
8.50~9.50 |
0.30~0.50 |
4: AISI H21 steel mechanical properties
| Grade |
Tensile strength |
Yield strength |
Elongation |
Reduction |
Impact Value |
Hardness |
| AISI H21 |
|
|
|
|
|
|
5: AISI H21 steel overviews
| Size |
Round |
Dia 6-1200mm |
| Plate/Flat/Block |
Thickness
6mm-500mm |
Width
20mm-1000mm |
| Process |
EAF+LF+VD+Forged+Heat treatment(optional) |
| Heat treatment |
Normalized ; Annealed ; Quenched ; Tempered |
| Surface condition |
Black; Peeled; Polished; Machined; Grinded; Turned; Milled |
| Delivery condition |
Forged; Hot rolled; Cold drawn |
| Test |
Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. |
| Payment terms |
T/T;L/C;/Money gram/ Paypal |
| Trade terms |
FOB; CIF; C&F; etc.. |
| Delivery time |
30-45 days |
| Application |
H21 steel is a Mo content increased by 2%, take possession of to colleague the Mn content, enlarged the high temperature mechanical properties of steel, to run abandoned to the demands of the gathering production of aluminum alloy die-casting mould. The steel has high adaptableness, high heat stability, pleasurable resistance to wear and process play a role, the operational temperature of 650. |
6: Delivery condition
For hot forged or hot rolled bar, usually the delivery condition is hot forged or rolled, annealed, rough turned.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.
Hunan Qilu Industrial Co., Ltd has the capacity to forge round steel, steel flat, square steel, module, shaft and roller, etc. The main specifications of the products include Φ80-1000mm forging materials and 80-1200mm square billets and which the maximum piece weight can reach 50T.
Hunan Qilu Industrial Co., Ltd were already engaged in exporting steel for 11 years, could supply a great variety of hot forged, hot rolled and cold drawn Steels, including engineering steel, cold work tool steel, hot work tool steel, plastic mold steel, spring steel, high speed steel, stainless steel etc., besides Qilu Industrial also has their own heating treatment shop and machining shop to provide heating and cutting service.
Since 2008 year, Hunan Qilu Industrial has the right to export all FORGED STEEL behalf of Qilu Speical Steel Co.,ltd which is specialized in smelting and forging of special steel since 1965 year, now Qilu special steel is one of the biggest manufacturer of forged product in China.The forged products are used in Automotive, Aerospace, Power Generation, Oil & Gas, Transportation and Industrial. We already set up the warehouse in Wuxi and Dongguan city, more than 20000 tons ex-stock could be supplied with kinds of size.
Qilu Industrial is the professional one-stop steel manufacturer, stockist and exporter in China, our customers spread all over the world, include West Europe, North America, South America, Asia, Middle Asia, Africa, Australia, etc.
The company owns advanced special steel smelting facilities and forging processing equipments, the main steel-making equipment include 2 sets of 50t ultra-high power electric arc furnaces,2 sets of 60t LF refining furnaces,1 set of 60t vacuum degassing refining furnace and 4 sets of 1-20t electroslag re-melting furnaces.
The main forging equipments mainly include:3 sets of 5t electro-hydraulic hammers, 1 set of high-speed forging units of 800t,1600t,2000t and 4500t respectively.
Mier Lu
Hunan Qilu Industrial CO., LTD
Website: qilusteel.en.made-in-china.com
Tel: 86-731-85185769
Fax: 86-0731-85185771
Mobile/ : +86 1893241249
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