Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:25 m.t.
Supply Capability:10000 m.t./month
1. Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard
2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate
3. Heat treatment:
Normalized / Annealed / Quenched+Tempered
4. Quality assurance:
All order we can received Third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.
1.Specification of H12 steel | |||||||||||||
Round bar | Diameter(mm) | Length (mm) | |||||||||||
70~600 | 2000~6000 | ||||||||||||
Plate | Thickness(mm) | Width (mm) | Length (mm) | ||||||||||
25~400 | 100~810 | 2000~5800 | |||||||||||
The specification can be customised! | |||||||||||||
2.Chemical compositon of H12 steel | |||||||||||||
NO. | C | Mn | Si | Cr | Mo | V | P | S | |||||
Aisi H12 | 0.28~0.55 | 0.15~0.45 | 0.10~0.40 | 2.70~3.20 | 2.60~3.00 | 0.40~0.70 | ≤0.030 | ≤0.030 | |||||
3.Delivery condition | |||||||||||||
Standard Number | Annealing | Heat treatment temp( °C ) | HRC Secondar Hardness | ||||||||||
H12 | ≤235 | Hardening: 1020 Tempering: 530~560 | 47~54 | ||||||||||
4.Heat treatment | |||||||||||||
1.Quench:1000-1040`C via 600`C and 850`C, preheating oil or wind cooling 2.Temper temperature should be higher than working temperature in order to stabilize the working size of mold 3.Heat up to 650°C of average temperature in order to eliminate the machined stress, 500 °c air cooling after electric cooker cooling 4.Tempering, 800-850 °c ,slow cooling after diathermia 5. Melting Process of SKD61 steel rod | |||||||||||||
1.EAF: Electric Furnace+LF+VD(Optional) | |||||||||||||
2.ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional) | |||||||||||||
UT Class of SKD61 steel rod | |||||||||||||
5.Characteristic of H12steel | |||||||||||||
(1) High strength toughness, high chromium steel | |||||||||||||
(2) Good hot intensity and rigidity. | |||||||||||||
(3) Good tenacity, hot tirdness nature and wearable in medium temperature | |||||||||||||
(4) Empty quench in low Austenitizing temperature condition, little distortion after heat treatment. | |||||||||||||
6.Application | |||||||||||||
(1) Used in hard plastic mold , aluminum, zinc alloy die-casting mold , forging hammer. | |||||||||||||
(2) high speed precision forging die insertsdrawing dies, plate dies and edge or cold shears,etc. | |||||||||||||
(3) All products' technology request and dimensions | |||||||||||||
1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;
2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
3. Customers specifying freight forwarders or negotiable shipping methods!
Delivery Time: 3-7 days for samples; 5-25 days for batch goods.
1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.
2.MOQ: 1pcs
3.Warranty : 3 years
4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)
2)as customer's requirement
(1) The leading exporter in China special steel industry.
(2) Large stocks for various sizes, fast delivery date.
(3) Good business relationship with China famous factories.
(4) More than 7 years steel exporting experience.
(5) Good after-sales service guarantee.
