Permitted Scope of Marine Products-Permitted Scope of Marine Products-Yongshang Special Materials

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Provide specialized and high-quality stainless steel pipes for global users

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Product quality determines the success or failure of an enterprise. We continuously update and improve manufacturing equipment and technology to ensur

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For each link, scientific and advanced technical measures are adopted to strictly control the manufacturing quality of products.

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For each link, scientific and advanced technical measures are adopted to strictly control the manufacturing quality of products.

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Provide specialized and high-quality stainless steel pipes for global users

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Product Certification Scope
Classification Society	Steel Grade	Outer Diameter	Wall Thickness
ABS	304/304L	10-406.4	1-31.75
	316/316L
	321
	S32205/S31803	10-426	2-20.62
	S32750	14-325	2-20.62
BV	304/304L	10-406.4	1-31.75
	316/316L
	321
	S31803	42612+21921
CCS	304/304L	10-406.4	1-31.75
	316/316L
	321
	S32205/S31803	10-273	2-18
	S32205/S31803	273-426	2-12
	S32750	14-219.08	2-20.62
	S32750	219.08-325	2-10
DNV	Austenite CrNi/CrNiMo	406.4	31.75
DNV	Dual-phase Steel22Cr/25Cr	426	20.62
LR	Austenite	406	32
LR	Dual-phase Steel	426	21
KR	Austenite	406	31.75
KR	Dual-phase Steel	426	20.62