ASTM SA335

SA335 is a kind of martensite high alloy steel with high temperature and high pressure resistance. It is generally applied in the high temperature and high pressure main pipes of power plant.

Name: ASTM SA335 Alloy Steel Boiler Tubes
Size(mm): O.D.: 28-168; W.T.: 2∼30; L: max 12000
Description:

Standards: ASTM A335 (ASME SA335)
Applications: Wide applications for high temperature services in boilers, superheaters and heat exchangers etc.
Specifications: Diameter 320 to 127 mm; Thickness: 0.4 to 12.7 mm; Length: 6 m and above; and other specifications for different customers requirements.

Mechnical Properties:

Standard	Steel Code	Tensile Strength(MPa)	Yield Strength(MPa)	Elongation Percent(%	Impact Power(J)
SA335 P11	≥415	≥205	≥22	≥35	≤163HB
SA335 P12	≥415	≥220	≥22	≥35	≤163HB
SA335 P22	≥415	≥205	≥22	≥35	≤163HB
SA335 P5	≥415	≥205	≥22	≥35	≤187HB
SA335 P91	585∼760	≥415	≥20	≥35	≤250HB
SA335 P92	≥620	≥440	≥20	≥35	≤250HB

Chemical Component

Standard	Steel Code	Chemical Component(%)
Standard	Steel Code	C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V	Al	W	Nb	N
ASME SA335	SA335 P11	0.05∼ 0.15	0.50∼ 1.0	0.30∼ 0.60	≤0.030	≤0.030	1.00∼ 1.50	0.50∼ 1.00
	SA335 P12	0.05∼ 0.15	≤0.50	0.30∼ 0.61	≤0.030	≤0.030	0.80∼ 1.25	0.44∼ 0.65
	SA335 P22	0.05∼ 0.15	≤0.50	0.30∼ 0.60	≤0.030	≤0.030	1.90∼ 2.60	0.87∼ 1.13
	SA335 P5	≤0.15	≤0.50	0.30∼ 0.60	≤0.030	≤0.030	4.00/6.00	0.45/0.65
	SA335 P91	0.08∼ 0.12	0.20∼ 0.50	0.30∼ 0.60	≤0.020	≤0.010	8.00∼ 9.50	0.85∼ 1.05		≤0.40	0.18∼ 0.25	≤0.015		0.06∼ 0.10	0.03∼ 0.07
	SA335 P92	0.07∼ 0.13	≤0.50	0.30∼ 0.60	≤0.020	≤0.010	8.50∼ 9.50	0.30∼ 0.60	B0.001 0.006	≤0.40	0.15∼ 0.25	≤0.015	1.50∼ 2.00	0.04∼ 0.09	0.03∼ 0.07

Specifications:

Type of Steel Pipes	OD(D)		WT(S)
Cold Drawn Steel Pipe	OD(mm)	Tolerance (mm)	Wall Thickness(mm)	Tolerance (mm)
	>30∼50	±0.3	>3∼20	±10%
	>114∼159	±0.8%	≤30	±10%
	>159∼219	±1.0%	≤30	±10%
Hot Rolled Steel Pipe	>219∼457	±1.0%	≤20	10%, 12.5%
Hot Rolled Steel Pipe	>219∼457	±1.0%	>20∼40	10%, 10%

ASTM SA335 Alloy Steel Boiler Tubes Supplier AGICO Steel

ASTM SA335