small diameter stainless steel tubing

small diameter stainless steel tubing Standards: ASTM/ ASME A213/SA213, A269/SA269, A312/SA312 Steel Grade:TP304/304L,TP316

small diameter stainless steel tubing

Standards: ASTM/ ASME A213/SA213, A269/SA269, A312/SA312

Steel Grade: TP 304/304L, 316/316L, 316Ti, 321/321H, 309S, 310S, 347/347H,31803

Outside diameter range from 3 mm to 219mm.

Wall thickness range from 0.3mm to 25mm.For sizes other than given, please check with our office for further confirmation.

Marking: JW, material grade, standard, specification, heat no.

Length: unfixed length or fixed length

Package: banding with braiding strips, wooden box or steel box at outside

Mill test certificate: according to EN 10204 3.1B

 

Value added service:Third party inspectionBright annealed, polished outside and inside surface

Standard

Item	ASTM A213/A213M			ASTM A312/A312M
Grade	TP304		TP304L	TP304		TP304L
	TP316		TP316L	TP316		TP316L
	TP317		TP317L	TP317		TP317L
	TP347		TP310S	TP347		TP310S
	TP309H*		TP310H*	TP317*		TP310H*
			TP321H			TP321H
Yield Strength σ0.2 (Mpa)	≥170;		≥205	≥170;		≥205
Tensile Strength σb (Mpa)	≥485;		≥515	≥485;		≥515
Elongation %	≥35		≥35	≥35		≥35
Flattening Test	H=1.09t/(0.09+t/D)			H=1.09t/(0.09+t/D)
Flange Test	21-68%
Intergranular corrosion	"*""" ASTM E112 "" min 7#, "*" min 6#			"*"""ASTM E112, min 6#
Hydraulic test(Mpa)	D	P max	P=220.6t/D	D	P max	ASTM A530/A530M D≤270MM P=2Rt/DR=50%σ0.2
	<25.4	7		≤88.9	17
	25.4-<38.1	10
	38.1-<50.8	14		>88.9	19
	50.8-<76.2	17
	76.2-<127	24
	≥127	31
Metallograph Analysis	ASTM A262 E			ASTM A262 E
Non-Destructive Test	ASTM E213 E309 E426			ASTM E213 E309 E426
Hardness	HRB<90			HRB<90

 

 

small diameter stainless steel tubing