High quality astm a694 f42 carbon steel pipe flanges

Alloy Steel

4140,4142,42CrMo4,1.7225,SCM440,4130,SCM430,25CrMo4,1.7218,34CrNiMo6,

1.6582,4340,SNCM439,36CrNiMo4,1.6511,SACN645,1340,SMn438,SNC236,

Tool Steel

H13,1.2344,SKD61,D2,SKD11,1.2379,1.2510,01,SKS3,95MnWCr5,D3,SKD1,1.2419,

SKS31,H21,SKD5,1.2581,P20,35CrMo7,1.2738,1.2316,M2

Bearing Steel

GCr15,52100,SUJ1,SUJ2,100Cr6,1.2067,55C,8620,4320,9310,440C,M50

Spring Steel

9260,SUP6,SUP7,1.7108,54SiCr6,1.7102,5155,SUP9,1.7176,5160,1.7177,6150,

SUP10,51CrV4,1.8159

Stainless Steel

321,sus321,1.4541,304,SUS304,1.4301,410,SUS410,1.4006,420,1.4021,1.4028,

434,1.4113,316L,SUS316L,1.4435,630,1.4542,431,1.4057,

size

per as clients' requires

Origin place 

Made In China

Delivery Condition

Forged

Surface require

Black,grinding,bright,polish

Heat treatment

Quenched,Tempered,annealed

Packing

seaworthy packing ,wooden case ,carton,woven bag or at client's requires

Payments

T/T or L/C at sight

Port

China main Port,such as shanghai,Dalian,Shenzhen port.

MOQ

1 Ton

Produce Process

Drawings→ mould making → pre-forging →rough machining

or finish machining →surface treatment →product checking

→ packing →delivery

Forging Material

Carbon Steel, Alloy steel,Stainless steel

Produce Equipment

Friction Screw Press Series, CNC Lathe, Machining Center

 (Vertical Spindles), CNC Milling Machine, Bench Drilling 

Machine, Heat Treatment Equipments and so on.

Surface treatment

Heat treatment, Polishing, shot blasting, 

Painting, Electro-plating, Chemical Plating,

Inspection

Equipments

Metallurgical analysis, Tensile strength tester, Hardness

 tester, Altimeter, Scale Micrometer, pressure tester, etc.