ASTM A335 Steel Pipes

Description

Astm A335 Steel Tubes is a low alloy steel tube. Alloy steel pipe is a kind of tubular alloy pipe with a higher percentage than standard carbon steel pipe. Its alloying elements include molybdenum (Mo), chromium (Cr), nickel, and so on.

App

ASTM A335 has excellent corrosion resistance and good high temperature tensile strength. It can be used for high temperature and ultra low temperature service in the power industry or ultra high pressure application.

Chemical composition

degree	UNS equivalent	C≤	Mn	P≤	S≤	Yes≤	Cr	Mo
P1	K11522	0.10 ~ 0.20	0.30 ~ 0.80	0.025	0.025	0.10 ~ 0.50	-	0.44 ~ 0.65
P2	K11547	0.10 ~ 0.20	0.30 ~ 0.61	0.025	0.025	0.10 ~ 0.30	0.50 ~ 0.81	0.44 ~ 0.65
P5	K41545	0.15	0.30 ~ 0.60	0.025	0.025	0.5	4.00 ~ 6.00	0.44 ~ 0.65
P5b	K51545	0.15	0.30 ~ 0.60	0.025	0.025	1.00 ~ 2.00	4.00 ~ 6.00	0.44 ~ 0.65
P5c	K41245	0.12	0.30 ~ 0.60	0.025	0.025	0.5	4.00 ~ 6.00	0.44 ~ 0.65
Q9	S50400	0.15	0.30 ~ 0.60	0.025	0.025	0.50 ~ 1.00	8.00 ~ 10.00	0.44 ~ 0.65
Q11	K11597	0.05 ~ 0.15	0.30 ~ 0.61	0.025	0.025	0.50 ~ 1.00	1.00 ~ 1.50	0.44 ~ 0.65
Q12	K11562	0.05 ~ 0.15	0.30 ~ 0.60	0.025	0.025	0.5	0.80 ~ 1.25	0.44 ~ 0.65
Q15	K11578	0.05 ~ 0.15	0.30 ~ 0.60	0.025	0.025	1.15 ~ 1.65	-	0.44 ~ 0.65
Q21	K31545	0.05 ~ 0.15	0.30 ~ 0.60	0.025	0.025	0.5	2.65 ~ 3.35	0.80 ~ 1.60
Q22	K21590	0.05 ~ 0.15	0.30 ~ 0.60	0.025	0.025	0.5	1.90 ~ 2.60	0.87 ~ 1.13
P91	K91560	0.08 ~ 0.12	0.30 ~ 0.60	0.02	0.01	0.20 ~ 0.50	8.00 ~ 9.50	0.85 ~ 1.05
P92	K92460	0.07 ~ 0.13	0.30 ~ 0.60	0.02	0.01	0.5	8.50 ~ 9.50	0.30 ~ 0.60

Mechanical properties

A335 Low Alloy Tube	ONUS number	Yield strength	Tractive force	Elongation%	hardness
					Rockwell	Brinell
P1	K11522	30	55	30	-	-
P2	K11547	30	55	30	-	-
P5	K41545	40	70	30	-	207 max.
Q9	S50400	30	60	30	-	-
Q11	K11597	30	60	20	-	-
Q12	K11562	32	60	30	-	174 max.
Q22	K21590	30	60	30	-	-
P91	K91560	60	85	20	-	-

Diameter

A335 pipe	about		below
NPS [DN]	in.	millimeter	in.	millimeter
1/8 to 1 1/2 / DN 6 to 40	1/64 (0.015)	0.4	1/64 (0.015)	0.4
More than 1 1/2 to 4 / DN 40 to 100	1/32 (0.031)	0.79	1/32 (0.031)	0.79
More than 4 to 8 / DN 100 to 200	1/16 (0.062)	1.59	1/32 (0.031)	0.79
More than 8 to 12 / DN 200 to 300	3/32 (0.093)	2.38	1/32 (0.031)	0.79
More than 12 /> DN 300	& # 39; {{1}} / - 1 % of specified outside diameter

Wall thickness

1/8 to 2 1/2 [6 to 65] incl., All t / D ratios: more than 20%, below 12.5%

Above 2 1/2 [65], t / D< or="&" "5%:="" &"="" over="&" quot;"="" 22.5%,="&" quot;"="" under="&" quot;"="">

Above 2 1/2 [65], t / D> 5%: more than 15%, below 12.5%

Package

Wooden carton for small size, large size for pallet container.

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