Product descrption
Grade | 201, 304, 314L,304H,316, 316L, 316Ti, 309S, 310S, 409, 410S, 420, 430 |
Standard | ASTM,AISI |
surface | 2B,BA,HL,NO.4.6K,8K etc. |
Technique | Cold rolled,Hot Rolled |
Length | 1000~6000mm |
Width | 500~2000mm |
Thickness | 0.3~3.0 mm(cold rolled) 4.0~150mm(hot rolled) |
Packing | standard seaworthy package or as your requirements |
Delivery Time | 3-15 working days after receiving the T/T |
MOQ | 3 tons |
Payment term | 30% T/T advance +70% balance |
Composition
Typical compositional ranges for grade 304 stainless steels are given in table 1.
Table 1. Composition ranges for 304 grade stainless steel.
Grade | C | Mn | Si | P | Cr | Mo | Ni | N | |
304 | min.-max. | -0.08 | -2.0 | -0.75 | -0.045 | 18.0-20.0 | - | 8.0-10.5 | -0.1 |
304L | min.-max. | -0.030 | -2.0 | -0.75 | -0.045 | 18.0-20.0 | - | 8.0-12.0 | -0.1 |
304H | min.-max. | -0.040.10 | -2.0 | -0.75 | -0.045 | 18.0-20.0 | - | 8.0-10.5 | - |
Mechanical Properties
Tipcal mechanical properties for grade 304 stainless steels are given in stable 2.
Table 2.Mechanical properties of 304 grade stainless steel.
Grade | Tensile strength (MPa)min | Yield strength 0.2% proof(Mpa)min | Elongation(% in 50mm)min | Hardness | |
rockwell B (HR B )max | Brinell(HB)max | ||||
304 | 515 | 205 | 40 | 92 | 201 |
304L | 485 | 170 | 40 | 92 | 201 |
304H | 515 | 205 | 40 | 92 | 201 |
304H also has a requirement for a grain size of ASTM NO.7 or coarser |
Corrosion Resistance
Excellent in a wide range of atomospheric environments and many corrosive media.subject to pitting and crevice corrosion in warm chlorie environments, and to stress corrosion cracking above about 60°C.
Considered resistant to potable water with up to about 200mg/L chlorides ar ambient temperatures,reducing to aout 150mg/L at 60°C
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