A572Grade50 Carbon and Low-alloy High-strength Steel Plate Stock Specification

Grade50 Carbon and Low-alloy Steel Chemical Composition

Grade	C	Si	Mn	P	S	Nb
A572Gr50	≤0,20	≤0,40	≤1,50	≤0,04	≤0,05	0,005～0,05

A572Grade50 Specification:

Implementation of the standard: ASTMA572 / A572M
Thickness: 1.2-600mm
Width:    1220-4200mm
Length: 5000-18000mm
We can supply any size based on customer's requirements.

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GB/T3094 Grade35#Carbon Structural Steel Equivalent Steel Grade

GB/T3094 Grade35# Chemical Composition

C ：0.32～0.39
Si：0.17～0.37
Mn：0.50～0.80
S ：≤0.035
P ：≤0.035
Cr：≤0.25
Ni：≤0.30
Cu：≤0.25

Mechanical properties of Grade35# Steel

Tensile strength σb (MPa): ≥530 (54)
Yield strength σs (MPa): ≥315 (32)
Elongation rate δ5 (%): ≥20
Section shrinkage ψ (%): ≥45
Impact energy Akv (J): ≥55
Impact toughness value αkv (J / cm2): ≥69 (7)

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S31803 Duplex Seamless Stainless Steel Pipe Size Range

S31803 Chemical Composition:

C≦0.030
Si≦1.00
Mn≦2.00
P≦0.030;
S：0.020
Ni: 4.50~6.50
Cr: 21.00~23.00
Mo: 2.50~3.50
N: 0.08~0.20

Features of S31803 Duplex Stainless Steel Tube

1, PREN value 32 ~ 33
2, The corrosion resistance of the medium alloy UNS S31803 is between AISI 316L and 6% Mo + N austenitic stainless steel.
3, Yield strength is stronger than 18-8 type austenitic stainless steel about 2 times.

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