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DIN17175 ST35.8 ST45.8 Grade Oiling Heat Exchanger and Heat - Resistant Steel Tubes

Product Details:

Place of Origin:	JIANGSU, CHINA
Brand Name:	CHANGZHOU RUIYUAN
Certification:	ISO9001, ISO14001, PED

Payment & Shipping Terms:

Minimum Order Quantity:	0.3 MT
Packaging Details:	Ends caps, Hexagonal Bundles with steel strips and plastic bags wrapping outside/Wooden box/Steel frame/Or as per client’s requirement.
Delivery Time:	20~30 days after order
Payment Terms:	T/T, L/C, D/P, CASH, D/A, Western Union
Supply Ability:	6000MT/Month

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Detailed Product Description

STANDARD:	DIN	SHAPE:	ROUND
CERTIFICATE:	PED, ISO9001, ISO14001	PLACE OF ORIGIN:	JIANGSU, CHINA
SECONDARY OR NOT:	BRAND NEW	PROCESSING:	SEAMLESS
SURFACE:	BARE, OIL, VARNISH, BLACK
Highlight:	Heat Exchanger pipe

DIN 17175 Grade Seamless Heat Exchange Tube and Heat - Resistant Steel Tubes

DIN17175 SEAMLESS TUBES OF HEAT-RESISTANT STEELS, HEAT EXCHANGER TUBES

Part 1: Specification for low tensile carbon steel tubes without specified elevated temperature properties

Specifications:

Surface Treatment: Oiling/Black painting/Varnish/Passivation/Phosphating/Pickling

Ends: PE, ends caps

Marking: as per requirement

Delivery Condition: Annealed/Normalized/Tempered

Size:(mm)
OD: ≤660mm

or as per customer’s requirement
Length: ≤16m. Fixed Length (6m,9m,12m, 16m or as per requirement) or random length

Package: Hexagonal Bundles with steel strips and plastic wrapping outside/Wooden box/Wooden crate/Steel frame/As per customer’s requirement

CHEMICAL COMPOSITION (%):

CHEMICAL COMPOSITION (CAST ANALYSIS) IN%
Steel Grade		C	Si	Mn	P	S	Cr	Mo	V
St35.8	1.0305	≤0.17	0.1-0.35	0.40-0.80	0.040	0.040
St45.8	1.0405	≤0.21	0.1-0.35	0.40-1.20	0.040	0.040
17Mn4	1.0481	0.14-0.20	0.20-0.40	0.90-1.20	0.040	0.040	≤0.30
19Mn5	1.0482	0.17-0.22	0.30-0.60	1.00-1.30	0.040	0.040	≤0.30
15Mo3	1.5415	0.12-0.20	0.10-0.35	0.40-0.80	0.035	0.035		0.25-0.35
13CrMo44	1.7335	0.10-0.18	0.10-0.35	0.40-0.70	0.035	0.035	0.70-1.10	0.45-0.65
10CrMo910	1.7380	0.08-0.15	≤0.50	0.40-0.70	0.035	0.035	2.00-2.50	0.90-1.20
14MoV63	1.7715	0.10-0.18	0.10-0.35	0.40-0.70	0.035	0.035	0.30-0.50	0.50-0.70	0.22-0.32
⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮	⋮

MECHNICAL PROPERTIES:

STEEL GRADE		Tensile Strength σb(Mpa) N/mm²	Yield Strength σs(Mpa) (WT in mm)					Elongation δ(%) (L=5do)			IMPACT (DVM—TEST SAMPLE)
			≤16		＞16≤40		＞40≤60	I		T	T
			(MIN) N/mm²					% (MIN)			δ (MIN)
St35.8	1.0305	350-480	235	225		215		25	23		34
St45.8	1.0405	410-530	255	245		235		21	19		27
17Mn4	1.0481	460-580	270	270		260		23	21		34
19Mn5	1.0482	510-610	310	310		300		19	17		34
15Mo3	1.5415	450-600	270	270		260		22	20		34
13CrMo44	1.7335	440-590	290	290		280		22	20		34
10CrMo910	1.7380	450-600	280	280		270		20	18		34
14MoV63	1.7715	460-610	320	320		310		20	18		41
X20CrMoV121	1.4922	690-540	490	490		490		17	14		34

INSPECTION AND TEST:

CHEMICAL COMPOSTION TEST. MECHANICAL PROPERTIES TEST(tensile strength, yield strength, elongation, flaring, flattening,impact, etc). SURFACE AND DIMENSION CHECK. NON-DESTRUCTIVE TEST(eddy current test/ultrasonic test), HYDRAULIC TEST.

Description:

DIN17175 applies to seamless tubes including tubes for headers of heat-resistant steels which are used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600℃ and at simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit.

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Applications:

Mainly used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600℃ and at simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit.Boiler tube and superheater service. Boiler flue, air preheating pipe line, superheater, etc.

Competitive Advantage:

Best price, top quality and excellent service. Always put quality and customer's benefit on first consideration.

Production Equipment: