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.
Chemical Composition(%) of 4340 tool steel | C | Si | Mn | S | P | Cr | Mo |
0.38-0.43 | ≤0.40 | 0.60-0.80 | ≤0.040 | ≤0.035 | 0.90-1.20 | 0.15-0.30 | |
Available Size of 4340 tool steel | Diameter(mm) | Length(mm) | |||||
10-300 | 2000-6000 | ||||||
Characteristics of 4340 tool steel | 1.high hardness 2.high tensile | ||||||
Application of 4340 tool steel | extrusion dies and die-casting for alumium, mandgnesium allay mostly, for copper alloy could use mechaincal press forhing of steel | ||||||
Heat Treatment of 4340 tool steel | 1. Forging:Heat slowly and uniformly to 1000°C. After forging cool slowly. 2. Annealing: 780-800°C slowly cooling | ||||||
DIN 1.2311,1.2738,1.2083,1.2316 etc.
AISI P20,P20+Ni,420 etc.
JIS SUS420J2
DIN 1.2344,1.2343,1.2367,1.2365,1.2581,1.2713 etc.
AISI H13,H11,H10,H21, etc.
JIS SKD61,SKD6,SKD5,SKT4 etc.
DIN 1.2739, 1.2601, 1.2080, 1.2436, 1.2631, 1.263, 1.2510, 1.2327 etc.
AISI D2, D5, D3, D6, A8, A2, O1 etc.
JIS SKD10, SKD11, SKD1, SKS3 etc.
DIN 1.3343, 1.3243, 1.3247, 1.3355 etc.
AISI M2, M35, M42, T1 etc.
JIS SKH51, SKH35, SKH59, SKH2 etc.
DIN 1.7035,1.6511,1.7220,1.7225 etc.
AISI 5140, 4340, 4135, 4140 etc.
JIS SCr440,SNCM439,SCM435,SCM440 etc.
DIN 1.4125,1.1191 etc
AISI 440C,1045, 1020 etc.
JIS SUS440C,S45C etc
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.
