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DIN 17175 alloy steel pipes-CONTINENTAL STEEL CO.,LTD
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Introduction to DIN 17175 alloy steel pipe specifications

Mar 28, 2024

Introduction to DIN 17175 alloy steel pipe specifications

DIN 17175 alloy steel pipes are heat-resistant pipes used for high pressures up to 600°C. Areas of application include: construction of boilers, pipes, pressure vessels and equipment.

Chemical Composition:

Grade

 Chemical Composition (%)
C Si Mn P S Ni Cr Mo Others
St35.8 0.17Max 0.10~0.35 0.40~0.80 0.040Max 0.040Max - - - -
St45.8 0.21Max 0.10~0.35 0.40~1.20 0.040Max 0.040Max - - - -
17Mn4 0.14~0.20 0.20~0.40 0.90~1.20 0.040Max 0.040Max - 0.30Max - -
19Mn5 0.17~0.22 0.30~0.60 1.00~1.30 0.040Max 0.040Max - 0.30Max - -
15Mo3 0.12~0.20 0.10~0.35 0.40~0.80 0.035Max 0.035Max - - 0.25~0.35 -
13CrMo910 0.10~0.18 0.10~0.35 0.40~0.70 0.035Max 0.035Max - 0.70~1.10 0.45~0.65 -
10CrMo910 0.08~0.15 0.50Max 0.40~0.70 0.035Max 0.035Max - 2.00~2.50 0.90~1.20 -
14MoV63 0.10~0.18 0.10~0.35 0.40~0.70 0.035Max 0.035Max - 0.30~0.60 0.50~0.70 V: 0.22~0.32
X20CrMoV121 0.17~0.23 0.50Max 0.40~0.70 0.030Max 0.030Max 0.30~0.80 10.00~12.50 0.80~1.20 V: 0.25~0.35

Mechanical properties:

Grade

Material

Number

 MPa or N/mm2
Min Yield Point

Tensile Strength
WT: 16mm Max WT: 16- 40mm
St35.8 1.0305 235 225 360~480
St45.8 1.0405 - 245 410~530
17Mn4 1.0481 - 275 460~580
19Mn5 1.0482 - 315 510~610
15Mo3 1.5415 275 275 450~600
13CrMo910 1.7335 295 295 440~590
10CrMo910 1.7380 285 285 450~600
14MoV63 1.7715 325 325 460~610
X20CrMoV121 1.4922 490 490 690~850
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