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[Home] - [Products] - [Carbon & Alloy Steel Seamless Tubes] - DIN 2391-1/EN 10305-1

DIN 2391-1/EN 10305-1

Class:Carbon & Alloy Steel Seamless Tubes
About this product:

标准: DIN 2391-1/EN 10305-1
冷拔或冷轧精密无缝钢管GB/T 3639 Cold drawn or cold rolled precision seamless steel tubes
液压气动缸筒用精密内径无缝钢管GB/T 8713 inside precision seamless tubes for hydraulic pressure and pneumatic services
Application: 汽车用管/for Atuo usd;机械用途/for machinery use;油缸管/Oil cylinder tube;摩托车减震器钢管/Motorcycle shock reducer steel tubes;汽车减震器内缸筒/Auto shock reducer inner cylinder
Size(mm): 外径 O.D.:6.0-224.0 壁厚 W.T.:1-15 长度 L:max 12000

钢号及化学成分 Grade and Chemical Composition(%):

牌号 化学成分(%)
C max Si max Mn P max S max
St 35 0.17 0.35 ≥0.40 0.025 0.025
St 45 0.21 0.35 ≥0.40 0.025 0.025
St 52 0.22 0.55 ≤1.60 0.025 0.025
Steel grade 化学成分(%)
Steel name Steel number C max Si max Mn P max S max Al min
E215 1.0212 0.10 0.05 0.70 0.025 0.025 0.025
E235 1.0308 0.17 0.35 1.20 0.025 0.025 -
E355 1.0580 0.22 0.55 1.60 0.025 0.025 -

机械化学性能 Mechanical Properties(Mpa):

Steel grade 冷拔光亮硬态
BK
冷拔光亮硬态
BKW
拉拔光亮
消除应力退火
BKS
退火 GBK 正火 NBK
抗拉强度Rm
N/mm
min
伸长率%
min
抗拉强度Rm
N/mm
min
伸长率%
min
抗拉强度Rm
N/mm
min
屈服强度
ReH
N/mm
min
伸长率%
min
抗拉强度Rm
N/mm
min
伸长率%
min
抗拉强度Rm
N/mm
min
屈服强度
ReH
N/mm
min
伸长率%
min
St35 480 6 420 10 420 315 14 315 25 340-470 235 25
St45 580 5 520 8 520 375 12 390 21 440-570 235 21
St52 640 4 580 7 580 420 10 490 22 490-630 355 22
Steel grade Minimum values for the delivery condition
Steel name Steel number + C + LC + SR + A + N
Rm Mpa A% Rm Mpa A% Rm Mpa ReH Mpa A% ReH Mpa A% Rm  Mpa ReH   Mpa A%
E215 1.0212 430 8 380 12 380 280 16 280 30 290-430 215 30
E235 1.0308 480 6 420 10 420 350 16 315 25 340-480 235 25
E355 1.0580 640 4 580 7 580 450 10 450 22 490-630 355 22